tag:blogger.com,1999:blog-57415912322955460502024-03-14T20:33:43.980+08:00Yufan-fansbookyufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.comBlogger203125tag:blogger.com,1999:blog-5741591232295546050.post-79292782059151119322023-02-05T21:22:00.005+08:002023-02-05T21:22:49.114+08:00[Arduino]-004_Arduino UNO腳位說明<p> [Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p><p>[Arduino]-004_Arduino UNO腳位說明</p>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-38082530769461550542023-01-28T22:06:00.001+08:002023-01-28T22:06:23.401+08:00[MSP430]-005_按鈕控制<p><span style="font-size: large;"> [MSP430]-005_按鈕控制</span></p><p><span style="font-size: medium;"><br /></span></p><p></p><div class="separator" style="clear: both; text-align: left;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhDKQbNw89BxlasZaIRxzrrJuI7WI2pV5PcAFzlEnyfmFdSQNpC7StK8pnXtJk9K77uxWK6v7U9MxQNdYL2j9Ing3_NY6RbE6aBjLb9-CJUn6ZhYww1iKqX3q0zyyu6OjeYI1WeybUnahgAttYoEuWA4jYqY7mwGEfSgANTvHmzDrkFWF7UNADOuOvFyQ" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: medium;"><img alt="" data-original-height="438" data-original-width="766" height="366" src="https://blogger.googleusercontent.com/img/a/AVvXsEhDKQbNw89BxlasZaIRxzrrJuI7WI2pV5PcAFzlEnyfmFdSQNpC7StK8pnXtJk9K77uxWK6v7U9MxQNdYL2j9Ing3_NY6RbE6aBjLb9-CJUn6ZhYww1iKqX3q0zyyu6OjeYI1WeybUnahgAttYoEuWA4jYqY7mwGEfSgANTvHmzDrkFWF7UNADOuOvFyQ=w640-h366" width="640" /></span></a></div><div class="separator" style="clear: both; text-align: left;"><span style="font-size: medium;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><span style="font-size: medium;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><span style="font-size: medium;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEieOtmwSNkdqb31bvARj8tA6tKSxXqCnqHlHAKxx4zi7lAXfpy8btl8Bg0u8R_j8_oVdRFc3uHFB3XED_pmcIvjWu2Cd3vBhSkLZoKgl2M5Vh2SYoyfrPuT9ibcNXgZyJLKjqPsydOESnGbq7HBGr4ULqLxoJyKNqr4UiIjuQCagspADhVh1cCjyJmeEw" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: medium;"><img alt="" data-original-height="918" data-original-width="616" src="https://blogger.googleusercontent.com/img/a/AVvXsEieOtmwSNkdqb31bvARj8tA6tKSxXqCnqHlHAKxx4zi7lAXfpy8btl8Bg0u8R_j8_oVdRFc3uHFB3XED_pmcIvjWu2Cd3vBhSkLZoKgl2M5Vh2SYoyfrPuT9ibcNXgZyJLKjqPsydOESnGbq7HBGr4ULqLxoJyKNqr4UiIjuQCagspADhVh1cCjyJmeEw=s16000" /></span></a></div><span style="font-size: medium;"><br /><br /></span></div><div class="separator" style="clear: both; text-align: left;"><span style="font-size: medium;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><span style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">分析程式結構與語法,</span></span></div><p></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">1. 在“ // ”之後的程式或文字,編譯程式會自動略過這些內容,不會成為程式的一部分,所以可以用來作為程式的註解或是說明,日後可以快速地了解程式內容。要注意的是,這只是將一行的程式或是文字作為註解,當第二行也要成為註解文字,則在第二行也要打上“ // ”。</span></p><div class="separator" style="clear: both;"><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">2. “ /* ”及“ */ ”這兩個符號有別於“ // ”,是可以將整段文字或是程式作為註解,編譯程式會自動略過這些內容。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">3. </span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;">const int butonPin = PUSH2;</span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">將PUSH2定義為buttonPin,這是將MSP-EXP430G2這張開發板板左下角的按鈕(板上印刷為S2)命名為buttonPin。這個PUSH2是一個特殊的名稱,特指板上的P1.3這個腳位,所以PUSH2這個名稱就不能再用了喔。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">4. </span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;">const int ledPin = GREEN_LED;</span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">將GREEN_LED定義為ledPin,這是將板上綠色的LED燈定義成ledPin這個名稱。GREEN_LED是一個特殊的名稱,特指板上的P1.6這個腳位,所以GREEN_LED這個名稱就不能再用了喔。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">5. </span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;">int buttonState = 0;</span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">這裡命名一個資料結構為int的變數buttonStatus(按鈕狀態),且將此變數的初始值設為0。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">6. </span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;">void setup (){</span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;"><span> </span><span> pinMode (ledPin, OUTPUT);</span><br /></span></span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;"><span> </span><span> pinMode (buttonPin, INPUT_PULLUP);</span><br /></span></span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;">}</span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><span style="background-color: #cccccc;">void setup () { }</span>,這段程式是固定寫法,也就是將一開機要設定參數寫在這個大括號中,也就是說這個大括號中的指令只會執行一次,除非再重開MSP430開發板一次。在這個大括號裡面有兩條指令:</span></p></div><div class="separator" style="clear: both;"><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; text-align: left;"><span style="font-size: medium;"><span style="background-color: #cccccc;">pinMode(ledPin, OUTPUT);</span> 這可以解讀成將ledPin這個腳位的腳位模式pinMode定義為輸出OUTPUT。</span></p></div><blockquote style="border: none; margin: 0 0 0 40px; padding: 0px;"></blockquote><span style="background-color: #cccccc; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: large;">pinMode (buttonPin, INPUT_PULLUP);</span><span style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: large;"> 這可以解讀成將buttonPin這個腳位的腳位模式pinMode定義為上拉形式的輸入(INPUT_PULLUP)。</span><span style="font-size: large;"> </span><br /><blockquote style="border: none; margin: 0 0 0 40px; padding: 0px;"><span style="font-size: medium;"><span style="background-color: #cccccc; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><br /></span></span></blockquote><div class="separator" style="clear: both;"><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">7.</span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;">void loop (){</span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;"> buttonState = digitalRead (buttonPin);<br /></span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;"> if (buttonStat == HIGH) {</span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;"> digitalWrite (ledPin, HIGH);<br /></span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;">}</span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;"> else {<br /></span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;"> digitalWrite (ledPin, LOW);</span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;"> }</span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: medium;">}</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;"><br /></span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><span style="background-color: #cccccc;">void loop () {}</span> 這段程式是固定寫法,當執行完前面的void setup(){}之後就會執行此段程式,且如同它的名稱一樣,此段程式會一直執行,就像是一個迴圈(loop)一樣。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">8.</span></p><p style="color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><span style="background-color: #cccccc;">buttonState = digitalRead (buttonPin); </span><span style="background-color: white;"> 可以解讀成用數位讀取(digitalRead)的方式來讀取buttonPin這個腳位的狀態,並將此狀態存入變數buttonState中。</span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">9.</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;"> if (buttonState == HIGH) {</span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;"> digitalWrite (ledPin, HIGH);<br /></span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc; font-size: large;">}</span><span style="font-size: large;"> </span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: large;">這裡新學到一個語法,就是if的判斷式,小括號中的buttonState == HIGH,是判斷條件,如果符合這個條件,就會執行大括號中的指令digitalWritw(ledPin, HIGH)。如果不符合判斷條件,就會跳到else並執行其大括號的指令。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">這段程式的意思是如果butonState(按鈕狀態)是HIGH(高電位),則將ledPin這個腳位寫成HIGH(高電位),ledPin如果是高電位,則這個綠色的LED燈就會亮。(由[MSP430-004]的實驗中知道當內建的LED腳位為高電位時,則LED會被點亮)。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">在此說明,因為之前有一條指令</span><span style="background-color: #cccccc; font-size: large;">pinMode (buttonPin, INPUT_PULLUP);</span><span style="background-color: transparent; font-size: large;"> ,這是先將buttonPin設定成高電位,所以鬆開按鈕(不按下)的時候,是屬於高電位的狀態。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: large;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: large;">10.</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;"> else {<br /></span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;"> digitalWrite (ledPin, LOW);</span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="background-color: #cccccc;"><span style="font-size: medium;"> }</span></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">else之後執行的指令,可以想成與前面 if 的指令相反,也就是說剛剛 if 內的指令是,如果按鈕沒被按下,則LED會被點亮。else內的指令就表示如果按鈕被按下,則LED會熄滅。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;">程式分析完,可以上傳程式到MSP430開發板中,看看結果囉。</span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif;"><span style="font-size: medium;"><br /></span></p></div><p><span style="font-size: medium;"><br /></span><br /></p>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-85042624013206811062022-12-11T20:56:00.004+08:002022-12-11T22:51:00.082+08:00[MSP430]-004_點亮板上的LED燈<p><span style="font-size: large;"> [MSP430]-004_點亮板上的LED燈</span></p><p><span style="font-size: large;">要注意MSP-EXP430G2與MSP-EXP430G2ET,這兩個個開發板非常相似。主要差異在於</span></p><p><span style="font-size: large;">Board: MSP-EXP430G2 </span></p><p><span style="font-size: large;">IDE: energia</span></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;"><br /></span></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjL4bNUe2PAdTbRtWpChHVNq0v3ZlCEMO7PqdKgjShT_PMgB9r6PcY5u-D3cr22I7Hmf3S1bh4rAtbiQnnAEjNdJWdlPKO-GH858esJAn63NPB7yK8_Srx81LCAlSPMAjMJTkeAkBFTtbpG-VzwvXItz-xJVfHBg4X4sVZwNGLMuLz9y-cuoSw5GdIfKA" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="578" data-original-width="962" height="384" src="https://blogger.googleusercontent.com/img/a/AVvXsEjL4bNUe2PAdTbRtWpChHVNq0v3ZlCEMO7PqdKgjShT_PMgB9r6PcY5u-D3cr22I7Hmf3S1bh4rAtbiQnnAEjNdJWdlPKO-GH858esJAn63NPB7yK8_Srx81LCAlSPMAjMJTkeAkBFTtbpG-VzwvXItz-xJVfHBg4X4sVZwNGLMuLz9y-cuoSw5GdIfKA=w640-h384" width="640" /></span></a></div><span style="font-size: large;"><span><br /></span> 開始寫程式時,要先選擇開發板的型號。</span><div><span style="font-size: large;">選擇“工具” >>>“開發板”>>>“MSP-EXPG2 w/MSP430G2553”</span></div><div><span style="font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgjSlf0E4O7yigJymPO4LPmiUs6gPAja_bnS3EWuUy11XTYpjYDmIcC9-p6MYr_2E7kDYdAS6_vbLqa6UdXaGlVf1vlwnYg-CmtvxO0ua995GPHnSehxB-7ZxQOaHZxeTYpaTFe9dw0JapmbdTtw4BT0lTMnaLA9ZnIWHfnZ5hcf0sXIpLGbVyHVPyEEA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="604" data-original-width="900" height="430" src="https://blogger.googleusercontent.com/img/a/AVvXsEgjSlf0E4O7yigJymPO4LPmiUs6gPAja_bnS3EWuUy11XTYpjYDmIcC9-p6MYr_2E7kDYdAS6_vbLqa6UdXaGlVf1vlwnYg-CmtvxO0ua995GPHnSehxB-7ZxQOaHZxeTYpaTFe9dw0JapmbdTtw4BT0lTMnaLA9ZnIWHfnZ5hcf0sXIpLGbVyHVPyEEA=w640-h430" width="640" /></a></div><br /><br /></span><div><span style="font-size: large;">另外還要更新程式的版本到1.07版,不然上傳程式碼的時候會出錯喔。選擇“工具” >>>“開發板”>>>“開發版管理員”</span></div><div><span style="font-size: large;"><br /></span><div><span style="font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgu6W8h2M2b35oji1hPOA0I9FmOhCTkS4epQY-7q903c7aMflqDMa6CR--DdEYcy9UCUkQPSucwkZGCmwMVMAmjhyeSS-SHFTVeB6o9IidYhCcH7ntfrpfCoeSQd8VW6aV31K7fneAPPqtCK4I99P8O6AckmVF5GxOWhydp07PfXsjZojH28iuDfAjXSQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="603" data-original-width="901" height="428" src="https://blogger.googleusercontent.com/img/a/AVvXsEgu6W8h2M2b35oji1hPOA0I9FmOhCTkS4epQY-7q903c7aMflqDMa6CR--DdEYcy9UCUkQPSucwkZGCmwMVMAmjhyeSS-SHFTVeB6o9IidYhCcH7ntfrpfCoeSQd8VW6aV31K7fneAPPqtCK4I99P8O6AckmVF5GxOWhydp07PfXsjZojH28iuDfAjXSQ=w640-h428" width="640" /></a></div><div><br /></div>進入開發板管理員中,點選1.07版,並選擇安裝,如此就完成版本更新了。<a href="https://blogger.googleusercontent.com/img/a/AVvXsEjoVYOVdF2aPe_6Zsg6rX67rL2tdyaotWZYCHESQA32N_7Ia9XOiAIwIUVTSFfl7LozYKuy-tT_LxOE8N9XulGJ0sdMKk_lm7FA0Ky8JwU1ZY3UDYYwfwnjJL0uPVRLEQ1jeFJ6TsyYOZ1ePsO9EXVLqMEJyfnSUhlw_TPfBTMu8h2VC9YeM-hWte6BYg" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img alt="" data-original-height="393" data-original-width="977" height="258" src="https://blogger.googleusercontent.com/img/a/AVvXsEjoVYOVdF2aPe_6Zsg6rX67rL2tdyaotWZYCHESQA32N_7Ia9XOiAIwIUVTSFfl7LozYKuy-tT_LxOE8N9XulGJ0sdMKk_lm7FA0Ky8JwU1ZY3UDYYwfwnjJL0uPVRLEQ1jeFJ6TsyYOZ1ePsO9EXVLqMEJyfnSUhlw_TPfBTMu8h2VC9YeM-hWte6BYg=w640-h258" width="640" /></a></span><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;">選擇序列埠</span></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEh_zaJx317AgyaA1OXhRf-QplA_CuF54sCk7m0E-mKxURh_jLF2VDdZI9X9gXjTCWYAaNPVBWqFmyOBzyxeBQQyYLa5UMIAYpZtFee_ELaI1Vo5EWO44jmcA2Yi-yYhnrs47JCI-RI8Vq3n6klUwRhrk3ZgOMlD3POoy0xZ4yj02RIj-QOIfh8Oxg8vJg" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="310" data-original-width="687" height="288" src="https://blogger.googleusercontent.com/img/a/AVvXsEh_zaJx317AgyaA1OXhRf-QplA_CuF54sCk7m0E-mKxURh_jLF2VDdZI9X9gXjTCWYAaNPVBWqFmyOBzyxeBQQyYLa5UMIAYpZtFee_ELaI1Vo5EWO44jmcA2Yi-yYhnrs47JCI-RI8Vq3n6klUwRhrk3ZgOMlD3POoy0xZ4yj02RIj-QOIfh8Oxg8vJg=w640-h288" width="640" /></span></a></div><span style="font-size: large;"><br /><br /></span><p></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;"> 剛開始學寫程式,當還不熟悉語法及環境時,從模仿並解讀現有的程式一定是比較快的方式。Energia也有內建範例程式,這些範例程式可以幫助初學者快速的熟悉程式寫法。現在就先開啟內建的Bilnk程式,並試著分析這個程式的寫法。</span></p><p><span style="font-size: large;"><br /></span></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhXbtjhSUXSIPVvkVU-1Mc9gutA7T0BkOuPrs8NEsg9r1mgDNlSaTEj3rnxZ5bLR_Y9dHeGHIAlf0WBDHRozNi41uHinnmMKEf9hnjnpZQL4SgNBHEXIJ_K-PMcjLBxjH8JaFyIVMAAySUoiWNchaAiLFTDChf3IdOzZL3AGuIbFXRbyeNfFBqlxKJLwg" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="438" data-original-width="747" height="376" src="https://blogger.googleusercontent.com/img/a/AVvXsEhXbtjhSUXSIPVvkVU-1Mc9gutA7T0BkOuPrs8NEsg9r1mgDNlSaTEj3rnxZ5bLR_Y9dHeGHIAlf0WBDHRozNi41uHinnmMKEf9hnjnpZQL4SgNBHEXIJ_K-PMcjLBxjH8JaFyIVMAAySUoiWNchaAiLFTDChf3IdOzZL3AGuIbFXRbyeNfFBqlxKJLwg=w640-h376" width="640" /></span></a></div><span style="font-size: large;"><br /><br /></span><p></p><p><span style="font-size: large;"></span></p><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEj3JocMe37BkQPY2fu_BF-kGOqg69TKyw5ZO9N4oATtv0YP4uKiPujQwsZt_5h9D1Xxo0A8oU5Wpk4RdMnBOwYj3uoE1ajOEWIosG5DvpGSfEk7knUD4yM59XQPK5Tzp7MrA5plfTh25EKLNgi7oNzuBrQGGuiTENKfJUVvMBMWdiRTXbLlBXlzukAZBw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="915" data-original-width="617" src="https://blogger.googleusercontent.com/img/a/AVvXsEj3JocMe37BkQPY2fu_BF-kGOqg69TKyw5ZO9N4oATtv0YP4uKiPujQwsZt_5h9D1Xxo0A8oU5Wpk4RdMnBOwYj3uoE1ajOEWIosG5DvpGSfEk7knUD4yM59XQPK5Tzp7MrA5plfTh25EKLNgi7oNzuBrQGGuiTENKfJUVvMBMWdiRTXbLlBXlzukAZBw=s16000" /></a></span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"><br /></span></div><span style="font-size: large;"><br />先看一下程式結構,</span><p></p><p><span style="font-size: large;">1. 在“ // ”之後的程式或文字,編譯程式會自動略過這些內容,不會成為程式的一部分,所以可以用來作為程式的註解或是說明,日後可以快速地了解程式內容。要注意的是,這只是將一行的程式或是文字作為註解,當第二行也要成為註解文字,則在第二行也要打上“ // ”。</span></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;">2. “ /* ”及“ */ ”這兩個符號有別於“ // ”,是可以將整段文字或是程式作為註解,編譯程式會自動略過這些內容。</span></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;">3. </span></p><p><span style="background-color: #cccccc; font-size: large;">#define LED RED_LED</span></p><p><span style="background-color: white;"><span style="font-size: large;">將RED_LED定義為LED,這是將板上紅色的LED燈定義成LED這個名稱。MSP-EXP430G2這張開發板板上有紅綠兩個LED燈,所以RED_LED就是一個特殊的名稱,特指板上的P1.0這個腳位,所以RED_LED這個名稱就不能再用了喔。</span></span></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;">4. </span></p><p><span style="background-color: #cccccc; font-size: large;">#define LED GREEN_LED</span></p><p><span style="background-color: white;"><span style="font-size: large;">將GREEN_LED定義為LED,這是將板上綠色的LED燈定義成LED這個名稱。與前面的RED_LED相同,GREEN_LED也是一個特殊的名稱,特指板上的P1.6這個腳位,所以GREEN_LED這個名稱就不能再用了喔。</span></span></p><p><span style="background-color: white;"><span style="font-size: large;"><br /></span></span></p><p><span style="background-color: white;"><span style="font-size: large;">5. </span></span></p><p><span style="background-color: #cccccc; font-size: large;">void setup (){</span></p><p><span style="background-color: #cccccc; font-size: large;"><span> </span><span> pinMode (LED, OUTPUT);</span><br /></span></p><p><span style="background-color: #cccccc; font-size: large;">}</span></p><p><span style="font-size: large;"><span style="background-color: #cccccc;">void setup () { }</span><span style="background-color: white;">,這段程式是固定寫法,也就是將一開機要設定參數寫在這個大括號中,也就是說這個大括號中的指令只會執行一次,除非再重開MSP430開發板一次。在這個大括號裡面有條指令</span><span style="background-color: #cccccc;">pinMode(LED, OUTPUT);</span><span style="background-color: white;"> 這可以解讀成將LED這個腳位的腳位模式pinMode定義為輸出OUTPUT。這裡要先補充一個電子知識,要用MSP430或是其他微處理器的腳位來點亮LED,要先將該腳位定義成“輸出”模式,這樣這個腳位才能輸出電壓及電流,這樣外接的電子零件才能動作。</span></span></p><p><span style="background-color: white;"><span style="font-size: large;"><br /></span></span></p><p><span style="background-color: white;"><span style="font-size: large;">6.</span></span></p><p><span style="background-color: #cccccc; font-size: large;">void loop() {</span></p><p><span style="background-color: #cccccc; font-size: large;"><span> digitalWrite (LED, HIGH);</span><br /></span></p><p><span style="background-color: #cccccc; font-size: large;"><span> delay (1000);</span><br /></span></p><p><span style="background-color: #cccccc;"><span style="font-size: large;"><span> digitalWrite (LED, LOW);</span><br /></span></span></p><p><span><span style="background-color: #cccccc;"><span style="font-size: large;"><span> </span>delay (1000);</span></span></span></p><p><span style="background-color: #cccccc; font-size: large;">}</span></p><p><span style="font-size: large;"><span style="background-color: #cccccc;">void loop () {}</span><span style="background-color: white;"> 這段程式是固定寫法,當執行完前面的void setup(){}之後就會執行此段程式,且如同它的名稱一樣,此段程式會一直執行,就像是一個迴圈(loop)一樣。</span></span></p><p><span style="font-size: large;"><span style="background-color: #cccccc;">digitalWrite (LED, HIGH);</span><span style="background-color: white;"> 可以解讀成用數位寫入(digitalWrite)的方式將LED這個腳位寫入HIGH的電位。依照MSP-EXP430G2開發板的電路圖,紅色LED燈的陽極端(A)接在P1.0,陰極端(K)接在ground,所以當P1.0的輸出電壓為高電壓,則在LED形成順偏,則這個LED燈就會亮起來了。</span></span></p><p><span style="font-size: large;"><span style="background-color: #cccccc;">delay (1000);</span><span style="background-color: white;"> 可以解讀成用延遲(delay)1000毫秒。</span></span></p><p><span style="font-size: large;"><span style="background-color: #cccccc;">digitalWrite (LED, LOW);</span><span style="background-color: white;"> 可以解讀成用數位寫入(digitalWrite)的方式將LED這個腳位寫入LOW的電位,即0V。如此這個LED就無法形成順偏,也就是熄滅的狀態。</span></span></p><p><span style="font-size: large;"><span style="background-color: white;">要注意</span><span style="background-color: #cccccc;">#define LED RED_LED</span><span style="background-color: white;">及</span><span style="background-color: #cccccc;">#define LED GREEN_LED</span><span style="background-color: white;">這兩條指令,RED_LED及GREEN_LED這兩個LED燈都定義成LED這個名稱,觀察程式的順序,是先將RED_LED定義成LED,再將GREEN_LED定義成LED,所以最後LED會是GREEN_LED,而不是RED_LED,</span><span style="background-color: white;">所以執行digitalWrite (LED, HIGH)這條指令時,只會亮起綠色的LED燈。</span></span></p><p><span style="background-color: white;"><span style="font-size: large;">可以預測這個程式的結果應該是綠色的LED亮一秒,滅一秒,接著亮一秒,滅一秒,如此循環。</span></span></p><p><span style="background-color: white;"><span style="font-size: large;"><br /></span></span></p><p><span style="background-color: white;"><span style="font-size: large;">上傳程式碼到MSP-EXP430G2</span></span></p><p><span style="background-color: white;"><span style="font-size: large;"></span></span></p><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiYRg1e0q6lU2DwNKiPFWUhO8OGbDstTazDGhNeP-hemS88w3Tw9ji3vLMEkk2ZXzQZfjvD23dZm5v_qmhpisEzfqJ60Qe_O2rVfNf-3O4poQdDBQJ4EzPC4SsZvYs-sP7RSVuZ3i6Ec5Hps82np9jZHHUJ9_zomOsP_-OO9hwg-yRD9u5K3306FKXAVg" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="241" data-original-width="383" height="402" src="https://blogger.googleusercontent.com/img/a/AVvXsEiYRg1e0q6lU2DwNKiPFWUhO8OGbDstTazDGhNeP-hemS88w3Tw9ji3vLMEkk2ZXzQZfjvD23dZm5v_qmhpisEzfqJ60Qe_O2rVfNf-3O4poQdDBQJ4EzPC4SsZvYs-sP7RSVuZ3i6Ec5Hps82np9jZHHUJ9_zomOsP_-OO9hwg-yRD9u5K3306FKXAVg=w640-h402" width="640" /></a></span></div><span style="font-size: large;"><br /><br /></span><p></p><p><span style="background-color: white;"><span style="font-size: large;"><br /></span></span></p><p><span style="background-color: white;"><span style="font-size: large;"></span></span></p><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiDaJ8R75tgbyS0RZIvPapBITiu7EyjdRtU-45CPK1WlV_Cy4fcY2w7Xb8O3RIY7qRujrwx8v1_leEgWoHLM_Ql6i9iC5SBjodb-aVAX1AXSRLmWy_22HjaIOYwoIn5b652bNBZQYMNRwLz8D78TF6GPYoXWD7cYKqOqgKVTynNP9BPbSJw5kuD7yDT3Q" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="140" data-original-width="231" height="243" src="https://blogger.googleusercontent.com/img/a/AVvXsEiDaJ8R75tgbyS0RZIvPapBITiu7EyjdRtU-45CPK1WlV_Cy4fcY2w7Xb8O3RIY7qRujrwx8v1_leEgWoHLM_Ql6i9iC5SBjodb-aVAX1AXSRLmWy_22HjaIOYwoIn5b652bNBZQYMNRwLz8D78TF6GPYoXWD7cYKqOqgKVTynNP9BPbSJw5kuD7yDT3Q=w400-h243" width="400" /></a></span></div><span style="font-size: large;"><br /><br /></span><p></p><p><span style="background-color: white;"><span style="font-size: large;"><br /></span></span></p><p><span style="background-color: white;"><span style="font-size: large;">上傳完畢</span></span></p><p><span style="background-color: white;"><span style="font-size: large;"></span></span></p><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhrNt7R91q6E0bETTtoPWYZ-THcp97TCZKl-hVa4TDcYaviy4lSwfIeLysTGMfJay5WKRlSQUtccyYLgIPKRET251S3Bou18zTAURTadXrWt80hZxt8hwqiQ-gSZYTGDrmRZCVmxPluGyM0nAQRR4vWL4rHPvah4eJ1276uCehHcL-qt9wGiahO1KvDKQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="335" data-original-width="314" height="400" src="https://blogger.googleusercontent.com/img/a/AVvXsEhrNt7R91q6E0bETTtoPWYZ-THcp97TCZKl-hVa4TDcYaviy4lSwfIeLysTGMfJay5WKRlSQUtccyYLgIPKRET251S3Bou18zTAURTadXrWt80hZxt8hwqiQ-gSZYTGDrmRZCVmxPluGyM0nAQRR4vWL4rHPvah4eJ1276uCehHcL-qt9wGiahO1KvDKQ=w375-h400" width="375" /></a></span></div><span style="font-size: large;"><br /><br /></span><p></p><p><span style="background-color: white;"><span style="font-size: large;"><br /></span></span></p><p><span style="background-color: white;"><span style="font-size: large;">程式結果</span></span></p><p><br /></p></div></div></div>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-55335189037230499662022-12-10T21:02:00.001+08:002022-12-10T21:02:00.222+08:00[MSP430]-002_程式開發環境(CCS)yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-11486599812980992152022-12-06T21:56:00.005+08:002022-12-06T21:56:43.061+08:00[MSP430]-003_程式開發環境(energia)<p><span style="font-size: large;"> [MSP430]-003_程式開發環境(energia)</span></p><p><span style="font-size: large;"><span style="font-family: "TyponineSans Light 17"; vertical-align: inherit;"> Energia 是一個開源的電子及程式開發</span><span style="font-family: "TyponineSans Light 17"; vertical-align: inherit;">平台,由 Robert Wessels 於 2012 年 1 月創立,目標是將 Wiring 和 Arduino 框架引入德州儀器的 MSP430 設計中。這樣可以讓原本習慣於Arduino使用者可以更方便的使用MSP430做為開發使用。</span></span></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;"> Energia官方網站</span></p><p><span style="font-size: large;">https://energia.nu/</span></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgBoGwC-tfL7Hu6REDLT1Oti16UD4ObykmLVMZBVNLeH_eh2Vm1tz3X7btDsZ_7JQlblJkML2L7Nq7YAAfBPfC53Hwz3t5PnpO1YLBQ8x84lDDiHYPQjqZZzNw8guaW_ZXuz5ozX8TF8eepXI6FudWitvQZaDiOijfcF1fJpQiZoLNjj4-G3gSpnngnJA" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="765" data-original-width="998" height="491" src="https://blogger.googleusercontent.com/img/a/AVvXsEgBoGwC-tfL7Hu6REDLT1Oti16UD4ObykmLVMZBVNLeH_eh2Vm1tz3X7btDsZ_7JQlblJkML2L7Nq7YAAfBPfC53Hwz3t5PnpO1YLBQ8x84lDDiHYPQjqZZzNw8guaW_ZXuz5ozX8TF8eepXI6FudWitvQZaDiOijfcF1fJpQiZoLNjj4-G3gSpnngnJA=w640-h491" width="640" /></span></a></div><span style="font-size: large;"><br /><br /></span><p></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;"><br /></span></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjVLMIXmBM0s3Uo3-0WskAgiAmRcVZBQHr3Vot68_Mto83h2o4DT5B3nKAXpAnTwwCycg79_FrIx86Xf6vjRcCNYdMFDdrm-p9PzoHNkMJ8Lci0bXmP9yToKEJ5g4XmlPbRNr_qY-9P3PogIlZkQq0mCsuxkWC94r7LjbdcfwbWLDli1RGensH1q4vJ8w" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="848" data-original-width="1236" height="440" src="https://blogger.googleusercontent.com/img/a/AVvXsEjVLMIXmBM0s3Uo3-0WskAgiAmRcVZBQHr3Vot68_Mto83h2o4DT5B3nKAXpAnTwwCycg79_FrIx86Xf6vjRcCNYdMFDdrm-p9PzoHNkMJ8Lci0bXmP9yToKEJ5g4XmlPbRNr_qY-9P3PogIlZkQq0mCsuxkWC94r7LjbdcfwbWLDli1RGensH1q4vJ8w=w640-h440" width="640" /></span></a></div><span style="font-size: large;"><br /><br /></span><p></p><p><span style="font-size: large;"> 和Arduino的IDE可以說是幾乎一模一樣啊!操左選單也是相同的,甚至連程式庫及上傳程式的方式也是相同的。比較明顯的差異大概就是Energia的操作介面是紅色的吧。這些類似的操作介面對於以前學Arduino的人可真的是一大好消息。</span></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhREzvvyHC4352rxb73UTo2o70ei_beHiaHsOyuqQvLq7QrIUrVuZPTkujpEem1_arq0QC4JHuu8d3h2OvuNVH2ghXohlJ5ckPby3Zxr2Z_sz7gE-lv9vObxN_i-w3g3Q9USAzT_BSjf_Ul0rtBWt50MoKRAEKKp01TAHe6H98lz0YnYywfhxZbDAEGQw" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="592" data-original-width="484" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEhREzvvyHC4352rxb73UTo2o70ei_beHiaHsOyuqQvLq7QrIUrVuZPTkujpEem1_arq0QC4JHuu8d3h2OvuNVH2ghXohlJ5ckPby3Zxr2Z_sz7gE-lv9vObxN_i-w3g3Q9USAzT_BSjf_Ul0rtBWt50MoKRAEKKp01TAHe6H98lz0YnYywfhxZbDAEGQw=w523-h640" width="523" /></span></a></div><span style="font-size: large;"><br /><br /></span><p></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEipglDtmyEQez4PLr4hKcyx_tZvAujxhyR8nfvCA1hO2pGlRpunYTvEw3Wn5q2Pr2DqKbnnF8Qrkm7LY5rbH1lOm4gWe0zngcRYjV3M3zQGzYGd6OZzQ-JmLkPb3ukZ7hXPcHzR_S3a5mPdQz0tkXCUGybsjF52_7bxMRk7BZxDuXgLM3kSti1e6R7eEQ" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="592" data-original-width="484" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEipglDtmyEQez4PLr4hKcyx_tZvAujxhyR8nfvCA1hO2pGlRpunYTvEw3Wn5q2Pr2DqKbnnF8Qrkm7LY5rbH1lOm4gWe0zngcRYjV3M3zQGzYGd6OZzQ-JmLkPb3ukZ7hXPcHzR_S3a5mPdQz0tkXCUGybsjF52_7bxMRk7BZxDuXgLM3kSti1e6R7eEQ=w523-h640" width="523" /></span></a></div><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;"> 接下來會用Arduino的專案來直接套用在MSP430+Energia來比較看看兩者是否類似。</span></p><p><span style="font-size: large;"><br /></span></p><span style="font-size: large;"><br /><br /></span><p></p><p><br /></p>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-67935583704888812582022-12-06T20:49:00.008+08:002022-12-11T21:22:00.051+08:00[MSP430]-001_初探及版本選擇<p><span style="font-size: large;"> [MSP430]-001_初探及版本選擇</span></p><p><span style="font-size: large;"> 目前微處理器有非常多的選擇,且各大晶片廠也有推出各自的微處理器,但市面上還是以Arduino最為熱門,受到創客或是初學者們的喜愛。Arduino得力於簡易的程式語法及容易在網上查到許多應用,所以這幾年來一直很火熱。</span></p><p><span style="font-size: large;"><span> 此篇要要介紹的</span><span>是TI (德州儀器)所推出的16位元,且低成本的嵌入式為處理器,MSP430。</span></span></p><p><span style="font-size: large;"> 其實在幾年前就已經購買過MSP430的開發版,還記的整個開發板的的價錢才10美金,要注意一下,這是原廠的售價喔,不像是Arduino的開發板,就算是最便宜的Arduino Micro,原廠的要20美金左右,只有買副廠或是所謂的相容板才有可能低於10美金。就算只買MCU,Arduino上面使用的是Atmel的ATMEGA328P,單買這顆IC就要新台幣100元左右,而MS430最便宜的IC居然只要新台幣20元而已,而且MSP430的型號眾多,絕對可以挑到最適合自己的CHIP,可以不用遷就於較而貴的Arduino。</span></p><p><span style="font-size: large;"> 關於MSP430的詳細資料可以查閱TI的官方網站。</span></p><p><span style="font-size: large;">https://www.ti.com/microcontrollers-mcus-processors/microcontrollers/msp430-microcontrollers/overview.html</span></p><p><span style="font-size: large;"> MSP430的型號眾多,可以依照應用、記憶體大小及腳為數量來精確選擇所需的CHIP,選定所需的型號後,也可以直接在TI網站上查詢價格或購買,非常的方便。</span></p><p><span style="font-size: large;"></span></p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEi7F3BmSAEYiWZDzS8gxEKBQomVDj8Qx8v0geITEQKrQijPN45GCkYVUkLnd0agqV7INCyhoGGViNiDW-3tcD68-yJMN1hECtPSp-4hYUOqAbPaaLJxMkGOiaNSfXdGqYq2BIKlF_vd9BWPYB6V_AuIbZ_BL772L--W6JyqGYgn-fUWKwv4qzY1D9tJqw" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="885" data-original-width="999" height="567" src="https://blogger.googleusercontent.com/img/a/AVvXsEi7F3BmSAEYiWZDzS8gxEKBQomVDj8Qx8v0geITEQKrQijPN45GCkYVUkLnd0agqV7INCyhoGGViNiDW-3tcD68-yJMN1hECtPSp-4hYUOqAbPaaLJxMkGOiaNSfXdGqYq2BIKlF_vd9BWPYB6V_AuIbZ_BL772L--W6JyqGYgn-fUWKwv4qzY1D9tJqw=w640-h567" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">TI MSP430晶片選擇</td></tr></tbody></table><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"></span></div><span style="font-size: large;"><span><br /></span><span> 至於為什麼沒有繼續使用MSP430,那是因為軟體的開發環境,有點不太容易上手,所以沒寫幾次就放棄了,所以這幾年就改用Arduino做為開發了,但最近上網查資料的時候,發現MSP430也有類似的開發環境,而且跟Arduino IDE非常類似,所以又重新燃起了學習的動力。</span></span><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;"> 這次用的MSP430開發板用的是MSP-EXP430G2,也就是可以買到的最低價的開發板了,除了便宜好入手之外,且上傳程式碼到開發板也只要一條USB線即可,開發環境也是免費好取得。日後當然還是會使用其他的開發板,但是在此之前的基礎實驗都會是這一開發板來完成。</span></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjsL33etoRkQ7rfDPa-cmDh2G8Gfkk_MTSaL95NgPvBLmCByXe1us6MGoqGmi13-CUaSNEr11YD1Jjp8W0oHLb6GP-T8EK8MmPytHIEkHVe-BmwrslCb-sESSOug8y9jxd7ZatbY0gYITERwe8AI0R5HPEYsQGupDL2bfW9TVUOzt0XMKELRlk2tYvtlQ" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="348" data-original-width="261" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEjsL33etoRkQ7rfDPa-cmDh2G8Gfkk_MTSaL95NgPvBLmCByXe1us6MGoqGmi13-CUaSNEr11YD1Jjp8W0oHLb6GP-T8EK8MmPytHIEkHVe-BmwrslCb-sESSOug8y9jxd7ZatbY0gYITERwe8AI0R5HPEYsQGupDL2bfW9TVUOzt0XMKELRlk2tYvtlQ=w480-h640" width="480" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">MSP-EXP430G2</td></tr></tbody></table><br /><br /></span></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;">資料連結:</span></div><div><span style="font-size: large;">1. MSP-EXP430G2實驗板資料</span></div><div><span style="font-size: large;">https://datasheet.octopart.com/MSP-EXP430G2-Texas-Instruments-datasheet-10979810.pdf</span></div><div><span style="font-size: large;"><br /></span></div><div><br /></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;"><br /></span><p></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;"><br /></span></p></div>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-65588606837340061432022-10-02T21:58:00.000+08:002023-02-05T21:26:21.169+08:00[Arduino]-003_點亮Arduino UNO板上的LED燈yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-81325819847477899222022-09-25T21:58:00.003+08:002023-02-05T21:46:35.840+08:00[Arduino]-002_程式開發環境<p><span style="font-size: large;">可以在搜尋引擎中輸入arduino並搜尋arduino的官網,或是直接在瀏覽器位置欄中直接輸入Arduino.cc來進入arduino的官網。</span></p><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;">進入Arduino精美的官網中,可以看到有許多的文宣和資源可以參考。</span></p><p></p><div class="separator" style="clear: both; text-align: left;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjSKJZ_IGYS4mHYLcc_nuz1kDolm_4lfFbkpZhipQ0HpOGVN9NkIQxqAF1fMVCCYKrQmEhXa0GGkSBD3RGmvV3k9S_puXOqeDZo6BwHkK8YdtMFFzW4MfvyQIzrpJHkNyCrnwFIFARbP0RNWGwSgSLItMA7NRFw3hpjl2HK84mIcX68sZjH9ob0ZjWI2w" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="944" data-original-width="1777" height="340" src="https://blogger.googleusercontent.com/img/a/AVvXsEjSKJZ_IGYS4mHYLcc_nuz1kDolm_4lfFbkpZhipQ0HpOGVN9NkIQxqAF1fMVCCYKrQmEhXa0GGkSBD3RGmvV3k9S_puXOqeDZo6BwHkK8YdtMFFzW4MfvyQIzrpJHkNyCrnwFIFARbP0RNWGwSgSLItMA7NRFw3hpjl2HK84mIcX68sZjH9ob0ZjWI2w=w640-h340" width="640" /></span></a></div><div class="separator" style="clear: both; text-align: left;"><span style="font-size: large;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><span style="font-size: large;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><span style="font-size: large;">在官網上方,點選SOFTWARE,並下在Arduino的開發工具,Arduino IDE。</span></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: left;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEja8K-UgXt6oR6h955ebGHi6LU3DovssbU5xu2joXqCInXSFR5OQCdw43ajI3ZqmjwP40XjbZho_3Bap3dHqjP7yEDRU5MCia3BIYRMm8XNybSjCnLIEMIfWCB0kQdtm5-gMFJOK3NqYmpKEZKwDRvB-eKh3Fjl1BabgBDVuS6lQaQE_9Mup5GYe3Ax9A" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="121" data-original-width="993" height="78" src="https://blogger.googleusercontent.com/img/a/AVvXsEja8K-UgXt6oR6h955ebGHi6LU3DovssbU5xu2joXqCInXSFR5OQCdw43ajI3ZqmjwP40XjbZho_3Bap3dHqjP7yEDRU5MCia3BIYRMm8XNybSjCnLIEMIfWCB0kQdtm5-gMFJOK3NqYmpKEZKwDRvB-eKh3Fjl1BabgBDVuS6lQaQE_9Mup5GYe3Ax9A=w640-h78" width="640" /></span></a></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div></div><div class="separator" style="clear: both; text-align: center;"><div style="text-align: left;"><span style="font-size: large;">在下載頁面中,可以依據自己電腦的作業系統來安裝對應Arduino IDE。</span></div></div><div class="separator" style="clear: both; text-align: center;"><div style="text-align: left;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEg-agJlF_SEvRlh51ZpjspuKrwgnrWcC3cxJ2BJAiFAc_wEcO9eBvl7BnsnOdf3UA4q3zYDHn86H8fGbxIbjojD3HXlLBMcRZKqgrGW-r4HAD5p9oLLce-3MHaehdNykF3sMtolw68SqOZFeBTzM1CaZD1ripSVz__0WZI_tUuDIS2UGLlTYMtzWSgw3Q" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><br /><img alt="" data-original-height="627" data-original-width="1105" height="364" src="https://blogger.googleusercontent.com/img/a/AVvXsEg-agJlF_SEvRlh51ZpjspuKrwgnrWcC3cxJ2BJAiFAc_wEcO9eBvl7BnsnOdf3UA4q3zYDHn86H8fGbxIbjojD3HXlLBMcRZKqgrGW-r4HAD5p9oLLce-3MHaehdNykF3sMtolw68SqOZFeBTzM1CaZD1ripSVz__0WZI_tUuDIS2UGLlTYMtzWSgw3Q=w640-h364" width="640" /></span></a></div><span style="font-size: large;"><br /><br /></span></div></div><p></p><p></p><div class="separator" style="clear: both; text-align: center;"><div style="text-align: left;"><span style="font-size: large;">在下載之前,會跳出一個視窗,希望可以捐款贊助Arduino的發展,這部分就依據自身的經濟條件來決定囉。也可以直接點選JUST DOWNLOAD即可。</span></div></div><p></p><p></p><div class="separator" style="clear: both; text-align: center;"><div style="text-align: left;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjdpWBS-k6a6ngGelA0IEmFcY97ozcbAAcsJNWK4h2Zdnt1WEKAh6rCOxE1v1G4pg_Kjr5VhQeFlhdL8wj8mlYXAKqRtaUzCW8o3J4kMTwdW_y8auqfb6iIhSikDesGhcYIubiPwj_qVUp8G-FMjkx0EHIoJi31uUQBuOC1yfMy0CpcZZe03leStzK0nQ" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><br /><img alt="" data-original-height="364" data-original-width="725" height="322" src="https://blogger.googleusercontent.com/img/a/AVvXsEjdpWBS-k6a6ngGelA0IEmFcY97ozcbAAcsJNWK4h2Zdnt1WEKAh6rCOxE1v1G4pg_Kjr5VhQeFlhdL8wj8mlYXAKqRtaUzCW8o3J4kMTwdW_y8auqfb6iIhSikDesGhcYIubiPwj_qVUp8G-FMjkx0EHIoJi31uUQBuOC1yfMy0CpcZZe03leStzK0nQ=w640-h322" width="640" /></span></a></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;">下載完程式之後,可以直接安裝,在安裝過程中都一直按下一步即可完成安裝。安裝完程式會自動啟動Arduino IDE,在第一次執行IDE時,程式會自動安裝一些更新程式,等他自己跑完即可。</span></div><span style="font-size: large;"><br /><br /></span></div><div style="text-align: left;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEi4d6LpotxSN0Uxy_96RSE9yYiMWOSGsLleQKngGi32o_OrbhnHtozM2v02tcczGyBwS9j6sXysTDhoC205uZSPdDXFinfNUf0OWYvotEAkbmi58K7p-L1aBQ0BnO2nXkIiLiy6RwVY4uSzA6V2uXZJDu2HcGF73MOLaHQUsH_ZLRLFVSy61GfQsDFN1w" style="margin-left: 1em; margin-right: 1em; text-align: center;"><span style="font-size: large;"><img alt="" data-original-height="712" data-original-width="1263" height="360" src="https://blogger.googleusercontent.com/img/a/AVvXsEi4d6LpotxSN0Uxy_96RSE9yYiMWOSGsLleQKngGi32o_OrbhnHtozM2v02tcczGyBwS9j6sXysTDhoC205uZSPdDXFinfNUf0OWYvotEAkbmi58K7p-L1aBQ0BnO2nXkIiLiy6RwVY4uSzA6V2uXZJDu2HcGF73MOLaHQUsH_ZLRLFVSy61GfQsDFN1w=w640-h360" width="640" /></span></a></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;">最後會跳出Arduino USB的驅動程式,也是直接按安裝即可。</span></div><div style="text-align: left;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgjwVQ0SJYuOk2FS7EWfNBwL9ileiplJVAI7iEy_7AASMAgBrboGtDXZD7_mGlwowWb3M-g6uKTIpViNPfmZ6RIuMvAtncnoXiITv0Mh0chKD5abtENJiE6s1bDRIoPsl0gHulI-LvXQGm1Cc4l41kHA6NPYcS2gdilJQYaZiL75jU5GZBCZCHbSapU6Q" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="280" data-original-width="559" height="200" src="https://blogger.googleusercontent.com/img/a/AVvXsEgjwVQ0SJYuOk2FS7EWfNBwL9ileiplJVAI7iEy_7AASMAgBrboGtDXZD7_mGlwowWb3M-g6uKTIpViNPfmZ6RIuMvAtncnoXiITv0Mh0chKD5abtENJiE6s1bDRIoPsl0gHulI-LvXQGm1Cc4l41kHA6NPYcS2gdilJQYaZiL75jU5GZBCZCHbSapU6Q=w400-h200" width="400" /></span></a></div><span style="font-size: large;"><br /><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div></div><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"><br /></span></div><span style="font-size: large;"><br /></span><br /><p></p>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-29618517251304914372022-09-16T22:47:00.003+08:002022-12-06T21:57:55.422+08:00[Arduino]-001_初探及選擇Arduino版本yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-25724916096086619012022-07-09T10:46:00.001+08:002022-07-09T10:46:00.202+08:00[電子電路]變容二極體介紹(2)_Varactor diode(2)<div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span><span style="font-size: medium;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div><div style="text-align: left;"><span style="font-size: large;">[電子電路]變容二極體介紹(2)_Varactor diode(2)</span></div>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-32960876592131190512022-07-01T22:45:00.003+08:002022-07-01T22:45:36.562+08:00[電子電路]變容二極體介紹(1)_Varactor diode(1)<div style="text-align: left;"><span style="font-size: large;"><span lang="EN-US"> [</span><span style="font-family: 新細明體, serif;">電子電路</span><span lang="EN-US">]</span><span style="font-family: 新細明體, serif;">變容二極體介紹(1)</span></span><span lang="EN-US"><span style="font-size: large;">_Varactor Diode(1)</span></span></div><div style="text-align: left;"><span lang="EN-US"><span style="font-size: large;"><br /></span><span style="font-size: medium;"><o:p></o:p></span></span><span style="font-family: 新細明體, serif; font-size: large;">變容二極體</span><span lang="EN-US" style="font-size: large;">(varactor diode)</span><span style="font-family: 新細明體, serif; font-size: large;">,中文翻譯很清楚明瞭,就是這個二極體的內部電容性會依偏壓的改變而改變動。一般常看到的英文有</span><span lang="EN-US" style="font-size: large;">varactor diode</span><span style="font-family: 新細明體, serif; font-size: large;">或</span><span lang="EN-US" style="font-size: large;">tuning diode</span><span style="font-family: 新細明體, serif; font-size: large;">,不管中英文,都可以從字義中看出變容二極體中特性可調或可變動的性質。</span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><br /></span><span style="font-family: 新細明體, serif; font-size: large;">以下是變容二極體常見的電路符號,通常是在負極</span><span lang="EN-US" style="font-size: large;">(Cathode)</span><span style="font-family: 新細明體, serif; font-size: large;">端,加上一個代表電容的一組平行線。這樣的符號可以清楚的表達變容二極體的特性,就像是一個二極體加上一個可變電容的結合。</span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgWF3Qka-QlpPoECdz632j_y6Pp5sQYdg-HlArPdEesWiQPH2dwsvTX_SOE7KgQtvDprwLZcDnHP_HTfjvKp6y-Nvl3FpyZAytP57DDgE9YTG0BCV__TfwRiR4yUmidMVeJfxNV5tDwAJW7WNF8-dkuprIXooe-Sc8Kw-4yk3YY5HbjmyZkxa2XMMIm9w" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="108" data-original-width="1063" height="66" src="https://blogger.googleusercontent.com/img/a/AVvXsEgWF3Qka-QlpPoECdz632j_y6Pp5sQYdg-HlArPdEesWiQPH2dwsvTX_SOE7KgQtvDprwLZcDnHP_HTfjvKp6y-Nvl3FpyZAytP57DDgE9YTG0BCV__TfwRiR4yUmidMVeJfxNV5tDwAJW7WNF8-dkuprIXooe-Sc8Kw-4yk3YY5HbjmyZkxa2XMMIm9w=w640-h66" width="640" /></a></div><br /><br /></span></div><div style="text-align: left;"><span lang="EN-US" style="font-size: large;"> </span><span style="font-family: 新細明體, serif; font-size: large;">變容二極體的偏壓時的電壓及電流特性就和一般的二極體一樣,如圖。當順偏電壓大於臨界電壓</span><span lang="EN-US" style="font-size: large;">Vth (</span><span style="font-family: 新細明體, serif; font-size: large;">約</span><span lang="EN-US" style="font-size: large;">0.7V)</span><span style="font-family: 新細明體, serif; font-size: large;">時,則二極體內部電阻很小,整個二極體接近於導通的狀態。當逆偏電壓大於崩潰電壓</span><span lang="EN-US" style="font-size: large;">Vb</span><span style="font-family: 新細明體, serif; font-size: large;">時,則二極體也會有大量的逆向電流。</span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEg2C4_nTGJ5_mihKeJBsvKVxH5Lu8RqOvdrmgGa4WMQfhO98arokfWK4-XBekFka3FpYd8LzbK2DOfrbM3GXVwfxad1KJt7D5Z7h_-Voh7cjqxkef65-BcNUxwq7KAAhGM-NjkwNgxWxDXLCQdYZu0vKy7X-aXp8LdRhEUkp-3_w8WWeTsX1o5qgmZ2xQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="545" data-original-width="709" height="308" src="https://blogger.googleusercontent.com/img/a/AVvXsEg2C4_nTGJ5_mihKeJBsvKVxH5Lu8RqOvdrmgGa4WMQfhO98arokfWK4-XBekFka3FpYd8LzbK2DOfrbM3GXVwfxad1KJt7D5Z7h_-Voh7cjqxkef65-BcNUxwq7KAAhGM-NjkwNgxWxDXLCQdYZu0vKy7X-aXp8LdRhEUkp-3_w8WWeTsX1o5qgmZ2xQ=w400-h308" width="400" /></a></div><br /><br /></span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><br /></span><span style="font-family: 新細明體, serif; font-size: large;">從變容二極體的物理結構中,可以分析其電容特性的產生及變化。變容二極體可以看成是一個</span><span lang="EN-US" style="font-size: large;">PN</span><span style="font-family: 新細明體, serif; font-size: large;">介面</span><span lang="EN-US" style="font-size: large;">(PN junction)</span><span style="font-family: 新細明體, serif; font-size: large;">,當在此</span><span lang="EN-US" style="font-size: large;">PN</span><span style="font-family: 新細明體, serif; font-size: large;">介面上加一逆向電壓,則</span><span lang="EN-US" style="font-size: large;">P</span><span style="font-family: 新細明體, serif; font-size: large;">中的電洞會被吸引到電源的負極,而</span><span lang="EN-US" style="font-size: large;">N</span><span style="font-family: 新細明體, serif; font-size: large;">中的電子會被吸引到電源的正極,此一來,在此</span><span lang="EN-US" style="font-size: large;">PN</span><span style="font-family: 新細明體, serif; font-size: large;">介面的中間則會產生一個沒有電洞也沒有電子的區域,稱之為空乏區,此空乏區的寬度會隨著逆向電壓的變化而變化。當逆向電壓變大,則空乏區的寬度會變大,造成此變容二極體的電容量變小。當減小逆向電壓,則空乏區的寬度會變小,造成此變容二極體的電容量變大。利用這樣的特性,就可以利用電壓來控制變容二極體的電容大小。</span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEg29aYSN2DyEZzzXuDnT-DOp9Yos7We2rMA4G2eCDi4XrLOTgRR0zV1I_XbGP5cA_M2H88Xql-iuNlRxRlcNzE_84XDgScQdczI60FFLmR-P5EQLqwHJ_cWG-sYd1gNTBqZJg00n-EccCikpNd6KMYWG6rycaMOiuLgMFLfkABds-b_v12rcqva7qWcAg" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="473" data-original-width="709" height="266" src="https://blogger.googleusercontent.com/img/a/AVvXsEg29aYSN2DyEZzzXuDnT-DOp9Yos7We2rMA4G2eCDi4XrLOTgRR0zV1I_XbGP5cA_M2H88Xql-iuNlRxRlcNzE_84XDgScQdczI60FFLmR-P5EQLqwHJ_cWG-sYd1gNTBqZJg00n-EccCikpNd6KMYWG6rycaMOiuLgMFLfkABds-b_v12rcqva7qWcAg=w400-h266" width="400" /></a></div><br /><br /></span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><br /></span><span style="font-family: 新細明體, serif; font-size: large;">了解變容二極體的原理之後,可以將變容二極體等效成以下的電路模型。</span><span lang="EN-US" style="font-size: large;">Lp</span><span style="font-family: 新細明體, serif; font-size: large;">為因零件封裝</span><span lang="EN-US" style="font-size: large;">(package)</span><span style="font-family: 新細明體, serif; font-size: large;">所造成的寄生電感,</span><span lang="EN-US" style="font-size: large;">Cp</span><span style="font-family: 新細明體, serif; font-size: large;">為零件封裝所造成的寄生電容</span><span lang="EN-US" style="font-size: large;">(Cp)</span><span style="font-family: 新細明體, serif; font-size: large;">,</span><span lang="EN-US" style="font-size: large;">Cj(v)</span><span style="font-family: 新細明體, serif; font-size: large;">為</span><span lang="EN-US" style="font-size: large;">PN</span><span style="font-family: 新細明體, serif; font-size: large;">介面</span><span lang="EN-US" style="font-size: large;">(junction)</span><span style="font-family: 新細明體, serif; font-size: large;">因逆偏電壓所造成的電容特性,</span><span lang="EN-US" style="font-size: large;">Cj(v)</span><span style="font-family: 新細明體, serif; font-size: large;">是逆偏電壓</span><span lang="EN-US" style="font-size: large;">V</span><span style="font-family: 新細明體, serif; font-size: large;">的函數。</span><span lang="EN-US" style="font-size: large;">Rs(v)</span><span style="font-family: 新細明體, serif; font-size: large;">則是逆偏電壓所造成的的電阻特性,</span><span lang="EN-US" style="font-size: large;">Rs(v)</span><span style="font-family: 新細明體, serif; font-size: large;">也是逆偏電壓</span><span lang="EN-US" style="font-size: large;">V</span><span style="font-family: 新細明體, serif; font-size: large;">的函數。</span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgn5Ci6kmNd7JfCUQT3SwF9gEIei8k-pJ2yrWTB_UX4J3W8SRTxjQFxBHLALYsRsmosP-YOmN6mpYRYQXwYMlOkgNjuVWyxCYurZ-w-d_K14nhnW1u3pxE3QIGJqeOhRejopzRUJBaXf1jGWa2MYaoa-oZzcwUd3JNRgqKgAeyfSfM1WYGib8rsjymHog" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="317" data-original-width="709" height="179" src="https://blogger.googleusercontent.com/img/a/AVvXsEgn5Ci6kmNd7JfCUQT3SwF9gEIei8k-pJ2yrWTB_UX4J3W8SRTxjQFxBHLALYsRsmosP-YOmN6mpYRYQXwYMlOkgNjuVWyxCYurZ-w-d_K14nhnW1u3pxE3QIGJqeOhRejopzRUJBaXf1jGWa2MYaoa-oZzcwUd3JNRgqKgAeyfSfM1WYGib8rsjymHog=w400-h179" width="400" /></a></div><br /></span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><br /></span><span style="font-family: 新細明體, serif; font-size: large;">在選擇變容二極體時,有幾個關鍵參數需要注意。<br /></span><span lang="EN-US" style="font-size: large;">1. </span><span style="font-family: 新細明體, serif; font-size: large;">逆向崩潰電壓及逆向漏電流<br /></span><span lang="EN-US" style="font-size: large;">2. </span><span style="font-family: 新細明體, serif; font-size: large;">電容值及電容對電壓特性<br /></span><span lang="EN-US" style="font-size: large;">3. </span><span style="font-family: 新細明體, serif; font-size: large;">電容值對溫度變化的特性<br /></span><span lang="EN-US" style="font-size: large;">4. </span><span style="font-family: 新細明體, serif; font-size: large;">品質參數<br /></span><span lang="EN-US" style="font-size: large;">5. </span><span style="font-family: 新細明體, serif; font-size: large;">封裝<br /></span><span style="font-family: 新細明體, serif; font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;">逆向崩潰電壓及逆向漏電流<br /></span><span style="font-family: 新細明體, serif; font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;">電容值及電容對電壓特性<br /></span><span style="font-family: 新細明體, serif; font-size: large;">變容二極體由外加逆向偏壓而造成電容量的變更,可以描繪出電壓對應於電容的特性圖,如下圖。其中電容及電壓值均取對數值,則此特性曲線的斜率為稱之為此變容二極體的</span><span lang="EN-US" style="font-size: large;">Gamma</span><span style="font-family: 新細明體, serif; font-size: large;">值。變容二極體的</span><span lang="EN-US" style="font-size: large;">gamma</span><span style="font-family: 新細明體, serif; font-size: large;">值約為</span><span lang="EN-US" style="font-size: large;">0.5</span><span style="font-family: 新細明體, serif; font-size: large;">或</span><span lang="EN-US" style="font-size: large;">0.47</span><span style="font-family: 新細明體, serif; font-size: large;">,一般稱之為陡峭型變容二極體</span><span lang="EN-US" style="font-size: large;">(abrupt varactor diode)</span><span style="font-family: 新細明體, serif; font-size: large;">。其中Φ為變容二極體內部的電位值。若是矽</span><span lang="EN-US" style="font-size: large;">(silicon)</span><span style="font-family: 新細明體, serif; font-size: large;">材料製成的變容二極體,Φ值約為</span><span lang="EN-US" style="font-size: large;">0.7V</span><span style="font-family: 新細明體, serif; font-size: large;">,而使用鎵</span><span lang="EN-US" style="font-size: large;">(gallium)</span><span style="font-family: 新細明體, serif; font-size: large;">材料製成的變容二極體,Φ值約為</span><span lang="EN-US" style="font-size: large;">1.3V</span><span style="font-family: 新細明體, serif; font-size: large;">。還有一些</span><span lang="EN-US" style="font-size: large;">gamma</span><span style="font-family: 新細明體, serif; font-size: large;">值大於</span><span lang="EN-US" style="font-size: large;">0.5</span><span style="font-family: 新細明體, serif; font-size: large;">的變容二極體,會被稱之為超陡峭型變容二極體</span><span lang="EN-US" style="font-size: large;">(hyperabrupt varactor diode)</span><span style="font-family: 新細明體, serif; font-size: large;">。</span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiFc6sqF479zEG7pEO-E4EOKQP8kbnov_VNVUqusvQasdUq3iE46TPenfeRoDaTpU78FqadxIJO2moMk5kh5jREFCpT99XTojDCU60lGQeMUH7RNkHbIb17dnc_GVymHKXr-yiWkaB5Uv65Fm-8RrWwrTWdWB6o3ENoR7hgdOCeko1m5CqiCEDpQ6ky7Q" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="443" data-original-width="709" height="250" src="https://blogger.googleusercontent.com/img/a/AVvXsEiFc6sqF479zEG7pEO-E4EOKQP8kbnov_VNVUqusvQasdUq3iE46TPenfeRoDaTpU78FqadxIJO2moMk5kh5jREFCpT99XTojDCU60lGQeMUH7RNkHbIb17dnc_GVymHKXr-yiWkaB5Uv65Fm-8RrWwrTWdWB6o3ENoR7hgdOCeko1m5CqiCEDpQ6ky7Q=w400-h250" width="400" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgSjeeh-qPrFs5nX6Vh9vmQgRLhfarB5ElfNVz1pi62-xmqzjEd3BMpUmGeP-_SVJlaCazle0RAG_Jp6OqIK91ZtxIMYflkKfMLmdUWRGjPYNCseN97TVxgUDHGOe-u91ujpu0w9Qspok2qYpv_xdNbHZuA5E5yRxSop-Zy4iVZED2ItcQ5E58C53hkPQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="443" data-original-width="709" height="250" src="https://blogger.googleusercontent.com/img/a/AVvXsEgSjeeh-qPrFs5nX6Vh9vmQgRLhfarB5ElfNVz1pi62-xmqzjEd3BMpUmGeP-_SVJlaCazle0RAG_Jp6OqIK91ZtxIMYflkKfMLmdUWRGjPYNCseN97TVxgUDHGOe-u91ujpu0w9Qspok2qYpv_xdNbHZuA5E5yRxSop-Zy4iVZED2ItcQ5E58C53hkPQ=w400-h250" width="400" /></a></div><br /><br /></div><br /></span><span style="font-family: 新細明體, serif; font-size: large;">電容值對溫度變化的特性</span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;">變容二極體的電容量是隨著溫度上升而增加,隨著溫度下降而降低。一般是使用每變化一度攝氏溫度而改變的電容值,單位為</span><span lang="EN-US" style="font-size: large;">ppm</span><span style="font-family: 新細明體, serif; font-size: large;">。以下是個常用的電容值及溫度的經驗關係式。陡峭型變容二極體的</span><span lang="EN-US" style="font-size: large;">K</span><span style="font-family: 新細明體, serif; font-size: large;">值一般是取</span><span lang="EN-US" style="font-size: large;">2300</span><span style="font-family: 新細明體, serif; font-size: large;">,而超陡峭型變容二極體的</span><span lang="EN-US" style="font-size: large;">K</span><span style="font-family: 新細明體, serif; font-size: large;">值一般是取</span><span lang="EN-US" style="font-size: large;">1700</span><span style="font-family: 新細明體, serif; font-size: large;">。<br /></span><span style="font-family: 新細明體, serif; font-size: large;">由此關係式,可以推論出通常</span><span lang="EN-US" style="font-size: large;">gamma</span><span style="font-family: 新細明體, serif; font-size: large;">越高,則電容值對於溫度的變化越敏感。且超陡峭型變容二極體的電容值對於溫度的變化也會比陡峭型變容二極體更敏感。</span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjrE1RvtcAUspDQBfjuuAH2vH8o1-384ncdoQWPDDrPjJ4Lh0JUsDKCUnF791deBNbof3POuJg2N1YP6qxXbJgwflJTCGRZcZpac7uU9QbNtIXQ9glBI2aakwr3eZ-x1E1ryonsp4MSvz1GVJsK1gbtG7mq5NxT2Oqm_3p4BKFXSwEG89zNAminwZ8q_g" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="123" data-original-width="704" height="70" src="https://blogger.googleusercontent.com/img/a/AVvXsEjrE1RvtcAUspDQBfjuuAH2vH8o1-384ncdoQWPDDrPjJ4Lh0JUsDKCUnF791deBNbof3POuJg2N1YP6qxXbJgwflJTCGRZcZpac7uU9QbNtIXQ9glBI2aakwr3eZ-x1E1ryonsp4MSvz1GVJsK1gbtG7mq5NxT2Oqm_3p4BKFXSwEG89zNAminwZ8q_g=w400-h70" width="400" /></a></div><br /><br /></span></div><div style="text-align: left;"><span style="font-family: 新細明體, serif; font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;">品質參數<br /></span><span style="font-family: 新細明體, serif; font-size: large;">品質參數就是一般所說的</span><span lang="EN-US" style="font-size: large;">Q</span><span style="font-family: 新細明體, serif; font-size: large;">值,定義為儲存能量與散失能量的比值,越大越好。</span><span lang="EN-US" style="font-size: large;">Q</span><span style="font-family: 新細明體, serif; font-size: large;">值最直接會影響到變容二極體的操作頻率,越高的</span><span lang="EN-US" style="font-size: large;">Q</span><span style="font-family: 新細明體, serif; font-size: large;">值就代表越少的能量散失。<br /></span><span lang="EN-US" style="font-size: large;"><br /></span></div><div style="text-align: left;"><span lang="EN-US" style="font-size: large;"> Q=Energy Stored / Energy Dissipated<br /></span><span style="font-family: 新細明體, serif; font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;">封裝<br /></span><span style="font-family: 新細明體, serif; font-size: large;">越小的封裝通常有較小的寄生電感</span><span lang="EN-US" style="font-size: large;">(Lp)</span><span style="font-family: 新細明體, serif; font-size: large;">及寄生電容</span><span lang="EN-US" style="font-size: large;">(Cp)<br /></span><span style="font-family: 新細明體, serif; font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;"><br /></span></div><div style="text-align: left;"><span style="font-size: large;">變容二極體可以利用外加的電壓來控制電容量大小,常見的應用多為調相</span><span lang="EN-US" style="font-size: large;">(phase)</span><span style="font-family: 新細明體, serif; font-size: large;">、調頻</span><span lang="EN-US" style="font-size: large;">(frequency)</span><span style="font-family: 新細明體, serif; font-size: large;">及諧調</span><span lang="EN-US" style="font-size: large;">(tuning)</span><span style="font-family: 新細明體, serif; font-size: large;">電路。</span></div><p>
</p>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-87379646646656015102022-05-23T21:44:00.000+08:002022-05-23T21:44:01.386+08:00[KiCad] KiCad教學002_電路圖繪製-環境設置yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-7257362353524061062022-05-06T22:41:00.007+08:002022-05-23T21:40:04.068+08:00[KiCad] KiCad教學001_初探,介面總覽<h1 style="text-align: left;"><span style="font-size: x-large;">[KiCad] KiCad教學001_初探,介面總覽</span></h1><p style="text-align: left;"><span style="font-size: large;"> 安裝KiCad,即可進入主畫面。以下就是起始畫面。中文介面已經讓我們大致了解其功能了。比以前全英文的操作介面看起來親切友善許多。但有時也會發生中文翻譯翻的怪怪的,直接用英文表達會比較達意。<br /></span><span style="font-size: large;"> 最上一排就是一般的檔案管理工具。中間是工程專案的管理框,以後的電路圖及PCB檔案都會呈現在這裡,方便專案的檔案管理。最右側的圖示則是幾個最主要的工具,有原理圖編輯器 (一般是說電路圖)、符號編輯器 (這裡的符號一般常說是symbol)、PCB編輯器及封裝編輯器 (一般是說footprint及package)、gerber檢視等工具。</span><span style="font-size: x-large; text-align: center;">、</span><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiQassiuocQIeL54BfcYWTtUCs-F8tX1yQEf692bFZHi24MGQENOIxcLzuDb8-F7UnQpb9sroHGOX9TS6gRqp42w9G_7AMi7Yk5ceEhwx8CXf4is0qXn3CHv3-ZEF2SkhGA5KO1DBwYAsh7eiiFziTvHCGLspstzKi9i2yDwaD4m1LH4fji8wgK4GPahw" style="font-size: x-large; margin-left: 1em; margin-right: 1em; text-align: center;"><img alt="" data-original-height="886" data-original-width="1210" height="469" src="https://blogger.googleusercontent.com/img/a/AVvXsEiQassiuocQIeL54BfcYWTtUCs-F8tX1yQEf692bFZHi24MGQENOIxcLzuDb8-F7UnQpb9sroHGOX9TS6gRqp42w9G_7AMi7Yk5ceEhwx8CXf4is0qXn3CHv3-ZEF2SkhGA5KO1DBwYAsh7eiiFziTvHCGLspstzKi9i2yDwaD4m1LH4fji8wgK4GPahw=w640-h469" width="640" /></a></p>
<p class="MsoNormal"><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;"><span style="font-size: large;"><br /></span></span></p><p class="MsoNormal"><span style="font-size: large;"><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">原理圖編輯器:也就是常說的電路圖或</span><span lang="EN-US">Schematic</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,可以繪製功能圖及電路圖。</span><span lang="EN-US"><o:p></o:p></span></span></p><p class="MsoNormal"><span style="font-size: large;"><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;"></span></span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhtZ2EE_75cyC_UEfGBDCeAxxXghdKEprv0jfa-K15NUnaGmhEe054qz-RbpQUUNHuznmcci-pwAfRntK5cXzDGJxa-5pjNtT3-uDlRQuRCPgE_wobCnPOm1ONyOVdaBSxtneb6-NFOrr3HDj7xMYvgPQPxu_FycniO8zCytMQjxDa65Cill3XRo_4YMg" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="105" data-original-width="305" src="https://blogger.googleusercontent.com/img/a/AVvXsEhtZ2EE_75cyC_UEfGBDCeAxxXghdKEprv0jfa-K15NUnaGmhEe054qz-RbpQUUNHuznmcci-pwAfRntK5cXzDGJxa-5pjNtT3-uDlRQuRCPgE_wobCnPOm1ONyOVdaBSxtneb6-NFOrr3HDj7xMYvgPQPxu_FycniO8zCytMQjxDa65Cill3XRo_4YMg=s16000" /></span></a></div><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"><br /></span></div><p class="MsoNormal"><span style="font-size: large;"><span style="font-family: 新細明體, serif;">符號編輯器:符號即是</span><span lang="EN-US">Symbol</span><span style="font-family: 新細明體, serif;">,電路圖中會使用的圖示或符號。例如常用一組平行線當作是電容的符號,一條螺旋線當作是電感,符號的用途就是可以用簡易的圖示來表達零件,在電路圖或原理圖的呈現上會比較清楚易懂。</span></span></p><p class="MsoNormal"><span style="font-size: large;"><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;"></span></span></p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgSs-6WLReYF0fUJyyurJT5GySwz7Fyy92OGv41__T9ZGbBmZFfG7JydRFD1QtsbDhaZtbnOrMkGkohulZSro5fIs5Q04imLezOBGF-ZdoMae0LyBwyGOHhM_fN-AAJoVinMXNrEuiTpPWBe7mU08qMGDblVt610J3WE-aHSz21LZh4M0i3VnAy8g4p9w" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="88" data-original-width="459" src="https://blogger.googleusercontent.com/img/a/AVvXsEgSs-6WLReYF0fUJyyurJT5GySwz7Fyy92OGv41__T9ZGbBmZFfG7JydRFD1QtsbDhaZtbnOrMkGkohulZSro5fIs5Q04imLezOBGF-ZdoMae0LyBwyGOHhM_fN-AAJoVinMXNrEuiTpPWBe7mU08qMGDblVt610J3WE-aHSz21LZh4M0i3VnAy8g4p9w=s16000" /></span></a></div><div class="separator" style="clear: both; text-align: center;"><span style="text-align: left;"><span style="font-size: large;"> </span></span></div></div>
<p class="MsoNormal"><span style="font-size: large;"><span lang="EN-US">PCB</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">編輯器:用來繪製</span><span lang="EN-US">PCB</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,也就是常說的</span><span lang="EN-US">PCB layout</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。要先完成電路圖,才可以進行</span><span lang="EN-US">PCB。<o:p></o:p></span></span></p>
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<p class="MsoNormal"><span style="font-size: large;"><span lang="EN-US"></span></span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgUYd_69pXd6MOkaOKqDyqWXRrB1PMTs_mC9L8sgPmYwfc7YTCPIt-Wd7PHW4Bl625R_FmMyJh00NHlJ0jscQhSu785f-tq-sVn1ftgSCdZlqFmD_vpIASAHuupDzMCTaSisxm726-UBAf_Ry1fi40q0bZ-L9O73uyWV2E-WqOJODXJ9Hwq3V8vjegUIQ" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="102" data-original-width="322" src="https://blogger.googleusercontent.com/img/a/AVvXsEgUYd_69pXd6MOkaOKqDyqWXRrB1PMTs_mC9L8sgPmYwfc7YTCPIt-Wd7PHW4Bl625R_FmMyJh00NHlJ0jscQhSu785f-tq-sVn1ftgSCdZlqFmD_vpIASAHuupDzMCTaSisxm726-UBAf_Ry1fi40q0bZ-L9O73uyWV2E-WqOJODXJ9Hwq3V8vjegUIQ=s16000" /></span></a></div><p class="MsoNormal"><span style="font-family: 新細明體, serif;"><span style="font-size: large;"><br /></span></span></p><p class="MsoNormal"><span style="font-size: large;"><span style="font-family: 新細明體, serif;">封裝編輯器:封裝一詞的中文翻譯在這裡有些不全面,所謂封裝一詞指的是零件的實體尺寸,如長、寬、高及封裝的資訊,這些對於</span><span lang="EN-US">PCB</span><span style="font-family: 新細明體, serif;">製作也很重要,但因為英文介面中顯示的是</span><span lang="EN-US">Footprint Editor</span><span style="font-family: 新細明體, serif;">,</span><span lang="EN-US">footprint</span><span style="font-family: 新細明體, serif;">一詞直譯是指腳印的意思,指的是零件要焊接在</span><span lang="EN-US">PCB</span><span style="font-family: 新細明體, serif;">的焊墊位址及尺寸,是不是就像是零件印在</span><span lang="EN-US">PCB</span><span style="font-family: 新細明體, serif;">板上的腳印,這對於</span><span lang="EN-US">PCB layout</span><span style="font-family: 新細明體, serif;">是個相當重要的資訊。在</span><span lang="EN-US">KiCad</span><span style="font-family: 新細明體, serif;">中,這個封裝編輯器同時包含整個零件的外觀、尺寸、焊墊等資訊。</span></span></p>
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<p class="MsoNormal"><span style="font-size: large;"><span lang="EN-US">Gerber</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">檔案檢視器:</span><span lang="EN-US">Gerber</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">指的是一種檔案格式,是要給板廠製作</span><span lang="EN-US">PCB</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">所需的重要檔案。</span> 當然網路上也可以找到免費的Gerber檢視工具,但可以將這些工具統整在一個軟體介面中,還是很不錯的。</span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEge55B1ckBaxXsFZfGB2wq3cOLPJRIUS2z8CemCNuec7c2-i4SpYdvncvPorrZQZAJp-wFh5dun94DvNHyfgzi72mjop9bts3lt1z6lUr28BwLtJXGWeVDnFlv--USvLVw0XWshwIuac7kczrtFieD6ZCjx4tLqVu8CXqC-PvQtShIy2JRSh8qo3YNXlA" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="97" data-original-width="370" src="https://blogger.googleusercontent.com/img/a/AVvXsEge55B1ckBaxXsFZfGB2wq3cOLPJRIUS2z8CemCNuec7c2-i4SpYdvncvPorrZQZAJp-wFh5dun94DvNHyfgzi72mjop9bts3lt1z6lUr28BwLtJXGWeVDnFlv--USvLVw0XWshwIuac7kczrtFieD6ZCjx4tLqVu8CXqC-PvQtShIy2JRSh8qo3YNXlA=s16000" /></span></a></div><div class="separator" style="clear: both; text-align: center;"><span style="text-align: left;"><span style="font-size: large;"><br /></span></span></div><div class="separator" style="clear: both; text-align: center;"><span style="text-align: left;"><span style="font-size: large;"> </span></span></div>
<p class="MsoNormal"><span style="font-size: large;"><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">圖片轉換器:可以將點陣圖案轉換成原理符號或是</span><span lang="EN-US">PCB</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">封裝。因為</span><span lang="EN-US">PCB</span><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">板上呈現的精度及顏色有限,所以若要顯示想要的圖案,通常要將該圖案簡化,這個工具就可以轉換圖檔。</span> </span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjQVsqlHXrzB5b7_45i6DuvfaipOAiAMRYoHcIYXysDEn-aX3iOwjm3dOajIvGqhM-nvrVz70BGRFUc0K5nms06P6hsKtY8l5N5eUdBUVPEmyT0ExHPbu7VzFPKnfBNPuI43mjTXABLQ8XSsHoz6FSPBmo7Bliq-_n7epZzYpucjAHFWS_7INAnEvc6Hg" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="97" data-original-width="559" src="https://blogger.googleusercontent.com/img/a/AVvXsEjQVsqlHXrzB5b7_45i6DuvfaipOAiAMRYoHcIYXysDEn-aX3iOwjm3dOajIvGqhM-nvrVz70BGRFUc0K5nms06P6hsKtY8l5N5eUdBUVPEmyT0ExHPbu7VzFPKnfBNPuI43mjTXABLQ8XSsHoz6FSPBmo7Bliq-_n7epZzYpucjAHFWS_7INAnEvc6Hg=s16000" /></span></a></div><div class="separator" style="clear: both; text-align: center;"><span style="font-size: large;"><br /></span></div><span style="font-size: large;"><br /></span><p></p>
<p class="MsoNormal"><span style="font-size: large;"><span style="font-family: "新細明體",serif; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">計算器工具:可以提供簡易工具,例如色碼電阻的轉換、傳輸線線寬阻抗、過孔及線寬可承受的電流等簡易計算,算是不錯的小工具集。</span><span lang="EN-US"><o:p></o:p></span></span></p>
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<p class="MsoNormal"><span style="font-size: large;"><span lang="EN-US"></span></span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEh_dvfbsgbwXziFUV3IWNPrXaP_ZZPspmxGblhczfEmt-8ylAqyEYFWME0H7zPxsBjfP3M_pG9_JMxDupkciqFEE-GtFyV9w0KXbE0y8R3eMg2LPAAeS37tzsp_g0gL1pG6pKa734-mJyfjY4DBHAliYL0q2wtR3Xu0MIYtb_Uo8yFvs6RF4F_MpzN1mQ" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="102" data-original-width="322" src="https://blogger.googleusercontent.com/img/a/AVvXsEh_dvfbsgbwXziFUV3IWNPrXaP_ZZPspmxGblhczfEmt-8ylAqyEYFWME0H7zPxsBjfP3M_pG9_JMxDupkciqFEE-GtFyV9w0KXbE0y8R3eMg2LPAAeS37tzsp_g0gL1pG6pKa734-mJyfjY4DBHAliYL0q2wtR3Xu0MIYtb_Uo8yFvs6RF4F_MpzN1mQ=s16000" /></span></a></div><p class="MsoNormal"><span style="font-family: 新細明體, serif;"><span style="font-size: large;"><br /></span></span></p><p class="MsoNormal"><span style="font-family: 新細明體, serif;"><span style="font-size: large;">圖紙編輯器:可以自行定義圖紙的邊框及資訊框,這對於多頁圖紙有很大的幫助。</span></span></p>
<p class="MsoNormal"><span style="font-size: large;"><span lang="EN-US"><v:shape alt="一張含有 文字 的圖片
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<p class="MsoNormal"><span style="font-size: large;"><span lang="EN-US"></span></span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhE7kd4wK0NW-HMdLQ8nytosUabTwRoabd65F9yvHgW3DV1Pf4rtp45NrAn63U09nOxN2QWa9n5GIRGisnJjDfz1DCohJqt77USvE3RT8m9qL5UBMmls5d14uIY1lqpjaMbq22GFVO3xyC_49frqiC0EeSAXdWfSE6__ATI_O9jbmQLKGKiIWDnXbFGCQ" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="91" data-original-width="705" src="https://blogger.googleusercontent.com/img/a/AVvXsEhE7kd4wK0NW-HMdLQ8nytosUabTwRoabd65F9yvHgW3DV1Pf4rtp45NrAn63U09nOxN2QWa9n5GIRGisnJjDfz1DCohJqt77USvE3RT8m9qL5UBMmls5d14uIY1lqpjaMbq22GFVO3xyC_49frqiC0EeSAXdWfSE6__ATI_O9jbmQLKGKiIWDnXbFGCQ=s16000" /></span></a></div><p class="MsoNormal"><span style="font-size: large;"><br /></span></p><p class="MsoNormal"><span style="font-size: large;"><span style="font-family: 新細明體, serif;">外掛和工具管理器:可以管理額外的外掛包。</span> </span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgwC9VRSry-ZqaKbwTZzX2nyDOAqEaWjk2hQLs-oNOf0PbuhZOfdkpN-MmpaZBFMvrHdVosV3WCAhIp9dwtW_4Zr7FZdtMfxLshtz5Fom_Dvz1yM_Vj4312uqdnNE2usqpnDjP6UJdfNgNWmj25P3i3nsUO_23IQJvvWDJjfSFhLucLv04aLuXrQiSJoA" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img alt="" data-original-height="94" data-original-width="605" src="https://blogger.googleusercontent.com/img/a/AVvXsEgwC9VRSry-ZqaKbwTZzX2nyDOAqEaWjk2hQLs-oNOf0PbuhZOfdkpN-MmpaZBFMvrHdVosV3WCAhIp9dwtW_4Zr7FZdtMfxLshtz5Fom_Dvz1yM_Vj4312uqdnNE2usqpnDjP6UJdfNgNWmj25P3i3nsUO_23IQJvvWDJjfSFhLucLv04aLuXrQiSJoA=s16000" /></span></a></div><p class="MsoNormal"><br /></p>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-19087129273499547452022-05-06T22:38:00.006+08:002022-05-23T21:42:01.100+08:00[免費軟體推薦]-KiCAD,電路圖及電路板繪製<h1 style="text-align: left;"><span style="font-size: x-large;">[免費軟體推薦]-KiCAD,電路圖及電路板繪製</span></h1><div style="text-align: left;"><span style="font-size: large;"> 在公司或工作中,一般公司大多是使用Cadence、PADS或是Altium Designer這三套軟體進行電路板的設計。<br /></span><span style="font-size: large;"> Cadence是該領域的龍頭公司,其旗下的產品Orcad(電路圖繪製)及Allegro(電路板繪製)相信大多數人都不陌生,可能也都使用過,當然它的功能也是相當的強大,從電路繪製,零件資料庫到PCB layout的功能都相當全面,但價格一定是最昂貴。<br /></span><span style="font-size: large;"> PADS比較主打的是PCB layout,功能也不錯,容易上手,但是他的電路圖繪製功能就不是這麼好用,所以一般業界為了節省預算,可能是電路繪製部分買Cadence的Orcad,但PCB layout是買PADS。<br /></span><span style="font-size: large;"> Altium Designer的前身是Protel,Protel以前主打的就是簡單好上手。早期複雜的電路幾乎沒有看到是用Altium Designer來製作,因為在製作複雜且高密度的電路板時使用起來較不方便,也就是說他比較不聰明,但近幾年Altium Designer更新了許多功能,也變得聰明許多,所以漸漸地累積許多用戶。<br /></span><span style="font-size: large;"><span> 在公司,當然可以正當地使用公司的資源,但有時想在家中製作屬於自己的電路板或是小公司、小工作室因為經費有限,所以也不可能購買上述的軟體。還好</span><span>現在有許多免費及開源的軟體都可以多多利用,所以也不用偷偷摸摸地使用盜版軟體啦。<br /></span></span><span style="font-size: large;"><span> 免費的電路板軟體,有早期的Eagle,它的功能也不錯,但只能畫兩層的電路板。最近</span><span>KiCAD因為介面越做越好,且零件資料庫有人維護,使用上來說也不是特別難上手,所以越來越多人使用。以前我有用過</span><span>KiCad</span><span>第五版,但目前已經更新到6.0.5版了,據說使用進步了許多,所以想藉著重新使用</span><span>KiCad</span><span>的過程,順便與大家分享與交流。<br /></span></span><span style="font-size: large;"> 進入KiCad的官網,下載軟體。如果大家經濟能力許可,右上角有個Donate的按鈕,可以進行小額捐獻,給團隊一些鼓勵。</span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgU3pcnoRYy3AdzJGvrZnuzgGodsjeLOR-KFW3LBe28er303PlCEk6TFAAwDRbcojQqtngTAwwvuCvDZGWYKzw_bhp3R_E03fZSuqGY6hihNwh2N5lfhsQOylTYMhqRbRXCiA1zLLSS2bIfMVGTQkXVpfilhgEElyODNewiRmbRwHczpk1i9CBYZZhwFg/s1695/001.png" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img border="0" data-original-height="592" data-original-width="1695" height="224" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgU3pcnoRYy3AdzJGvrZnuzgGodsjeLOR-KFW3LBe28er303PlCEk6TFAAwDRbcojQqtngTAwwvuCvDZGWYKzw_bhp3R_E03fZSuqGY6hihNwh2N5lfhsQOylTYMhqRbRXCiA1zLLSS2bIfMVGTQkXVpfilhgEElyODNewiRmbRwHczpk1i9CBYZZhwFg/w640-h224/001.png" width="640" /></span></a></div><span style="font-size: large;"><div><br /></div>網頁介紹,可以畫電路圖<br /></span><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXK3F57smsxPou8yj1ylhw4UzKCsRA5q8TA3gVvQJNCIw-6DHVOJ4qrOjEUXfugbyJb2y5vjvCUFs7vxsCKyE63EsqkjoHv4dHlQB5o0dwub9UHhqbygrtT-Cpt7_Gl56OhyD0hlTK4X2zGyXCAATFnNlKj39XdzRXRd40iN9HvDAKhjfxmXK89pgvlg/s1225/002.png" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img border="0" data-original-height="407" data-original-width="1225" height="212" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXK3F57smsxPou8yj1ylhw4UzKCsRA5q8TA3gVvQJNCIw-6DHVOJ4qrOjEUXfugbyJb2y5vjvCUFs7vxsCKyE63EsqkjoHv4dHlQB5o0dwub9UHhqbygrtT-Cpt7_Gl56OhyD0hlTK4X2zGyXCAATFnNlKj39XdzRXRd40iN9HvDAKhjfxmXK89pgvlg/w640-h212/002.png" width="640" /></span></a></div><p><span style="font-size: large;"><br /></span></p><p><span style="font-size: large;">網頁介紹,可以PCB layout</span></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2BIBD5Cyqzle8UZAN6qhpZ5Aq-_NaXzkg4Ag9KFS9QCfGsEyM9BEK4uxFRCAD7x0ysEGgspdRAUb_sZfs3ftGZB035uNlaCL1L7KW7xgW1lhB51CCqhVkMluxx9eoVwIQTzMYi3Zk_1LWISN_j4YBVUK_8L2ssyyMTk855yQ4BCcAu-nf8KDcdBpkjw/s1212/003.png" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img border="0" data-original-height="350" data-original-width="1212" height="184" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2BIBD5Cyqzle8UZAN6qhpZ5Aq-_NaXzkg4Ag9KFS9QCfGsEyM9BEK4uxFRCAD7x0ysEGgspdRAUb_sZfs3ftGZB035uNlaCL1L7KW7xgW1lhB51CCqhVkMluxx9eoVwIQTzMYi3Zk_1LWISN_j4YBVUK_8L2ssyyMTk855yQ4BCcAu-nf8KDcdBpkjw/w640-h184/003.png" width="640" /></span></a></div><p><span style="font-size: large;"><br /></span></p><span style="font-size: large;"><span>最帥的是可以直接看到3D視角。</span><br /></span><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiMfd_dKe1MoYYH4mRNnGJAwaEo_gNRbHImn-uMebeJmZsP3jFjHoZZ3RlBfVeh6HUiICQUK5EyFfH5JwcNAih_g0s4GxvTZDWTn9TNGdqip_T0C7MZTe3DtzvBSl62eNUVL9TE0yF9piunxoloEy_c7m1_kcSjshX6lt0P4fJFlZOD7PKFwH5pHDV2g/s1226/004.png" style="margin-left: 1em; margin-right: 1em;"><span style="font-size: large;"><img border="0" data-original-height="348" data-original-width="1226" height="182" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiMfd_dKe1MoYYH4mRNnGJAwaEo_gNRbHImn-uMebeJmZsP3jFjHoZZ3RlBfVeh6HUiICQUK5EyFfH5JwcNAih_g0s4GxvTZDWTn9TNGdqip_T0C7MZTe3DtzvBSl62eNUVL9TE0yF9piunxoloEy_c7m1_kcSjshX6lt0P4fJFlZOD7PKFwH5pHDV2g/w640-h182/004.png" width="640" /></span></a></div><span style="font-size: large;"><br /><span><br /></span></span><p></p><p><span style="font-size: large;">這麼棒的免費軟體,趕快去下載來用用!</span></p><p></p>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-34959357525653110802022-01-05T22:56:00.003+08:002022-01-05T22:56:26.690+08:00[微波通訊技術]-如何P1dB量測_How to measure P1dB of amplifieryufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-60284939068793993452020-11-15T22:11:00.001+08:002020-11-17T22:28:48.492+08:00 [英文學習]-下下個的英文怎麼說<div style="text-align: left;"> <span style="font-size: x-large;">[英文學習]-下下個的英文怎麼說<br /></span><span style="font-size: x-large;">在日常口語中,“下下個”,也就是下兩個,這個詞還滿常用到的,例如下下星期一有個會議要開,也常說下下個轉角右轉,也常說他住在我隔壁的隔壁,若是用中翻英的概念去回答,那麼下下星期一就有可能出現next next monday這類的寫法,若是外國人可能會以為你是因為筆誤或是口誤,所以多寫或多念了一個next。</span></div><div style="text-align: left;"><span style="font-size: x-large;"><br /></span><span style="font-size: x-large;">事實上,下下個的英文可以這麼說,next...but one,<br /></span><span style="font-size: x-large;">例如:<br /></span><span style="font-size: x-large;">1. 我在下下星期一有一個會議要開,就可以這麼說:I will have a meeting next Monday but one.<br /></span><span style="font-size: x-large;">2. 要告訴司機請在下下個轉角右轉,就可以這麼說:turn the next corner but one to the right.<br /></span><span style="font-size: x-large;">3. </span><span style="font-size: x-large;">他住在我隔壁的隔壁,可以這麼說:he lives next door but one.</span></div><div style="text-align: left;"><span style="font-size: x-large;"><br /></span></div><div style="text-align: left;"><span style="font-size: x-large;">舉一反三一下,若是“下下下個”,也就是下三個要怎麼說,想到了嗎?就是next... but two</span></div><div style="text-align: left;"><span style="font-size: x-large;"><br /></span></div><div style="text-align: left;"><span style="font-size: x-large;">此外,倒數第二個的的用法也可以這麼說:last...but one<br /></span><span style="font-size: x-large;"><br /></span></div>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-3563643910959249932020-09-14T17:29:00.004+08:002022-01-05T22:47:07.304+08:00[微波通訊技術]-放大器線性度分析_Analyze linearity of amplifier [微波通訊技術]-放大器線性度分析_Analyze linearity of the amplifier <div><br /></div><div> 在電子或是通訊領域中,放大器是個非常普遍及必需的電子元件之一,且通常對於特性有局定性的指標作用,常常聽到PA (power amplifier)的P1dB是多少,LNA (low noise amplifier)的IIP3是多少,這些都是用來衡量放大器的重要指標之一。在進入分析之前,有個問題可以思考一下,那就是線性的的好壞對於放大器有什麼影響?</div><div> 通常放大器愈線性,就愈不容易出現信號失真的情形。一般來說,理想上放大器的功用就是將信號放大數倍(例如10倍),這樣一來就容易分析該信號,但是現實中的放大器沒有這麼好用,通常在較小的信號輸入時,可以維持固定的數倍放大(例如10倍),但當輸入信號愈來愈大時,則放大的倍率可能就沒辦法維持固定的放大倍率(例如小於5倍)。舉個簡單的例子,當對著擴音器說話時,若說話的聲音不大,則透過擴音器的喇叭則可明顯的聽出說話的聲音有被放大,若加大說話音量,喇叭發出的聲音也會跟地提高,此時擴音器及喇叭可以看做是被操作在線性區,但持續加大說話音量,則在喇叭附近聽到的聲音好像沒有繼續加大了,好像被什麼東西限制住了,此時擴音器或是喇叭就進入了飽和的狀態。</div><div> P1dB是一個常用來判斷PA線性度的一個指標,其全名是輸出功率1dB壓縮點(1dB power compression)。P1dB的意義為當放大器操作在線性區時,輸出功率正比於輸入功率,則輸出功率與輸入功率的比值稱為增益(gain),又因為此放大器操作在線性區,所以稱之為線性增益。隨著輸入功率的增加,此放大器漸漸地進入非線性區,或稱作飽和區,則輸出功率與輸入功率的比值會漸漸變小,即增益變小,當增益小於線性增益1dB時,此時的輸出功率就叫做P1dB。過了P1dB,即使再增加輸入功率,輸出功率就幾乎不太會增加了。</div><div> 當然,有功率的1dB壓縮點,就有增益的1dB壓縮點,通常標記為G1dB<br /><div><br /></div></div>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-27827434136406063822020-03-07T22:20:00.000+08:002020-03-07T22:20:05.999+08:00[OrCAD]-OrCAD使用心得_鎖定零件編號-fix and lock the part reference in OrCAD yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-68524952101086596962020-02-22T22:01:00.003+08:002022-07-01T22:28:20.722+08:00[儀器]-Brymen BM235萬用電錶開箱_Brymen BM235 Multimeter Unbox<span style="font-size: large;">[儀器]-Brymen BM235萬用電錶開箱_Brymen BM235 Multimeter Unbox</span><br />
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<span style="font-size: large;"> 手上舊的三用電表故障了,所以在網上找了許多三用電表,價錢從3000元,一直看到15000的機種。其實在尋找的過程中,矛盾的心理一直出現,因為三用電表對於我的工作來說是必備需要的,並且有穩定性的要求,但又不想負擔太大,所以就陸陸續續找了兩三個月之久,從電表王者Fluke、儀器霸主Keysight、到一些小廠的電表幾乎都看過一輪了。最後在Youtube中,看到有人在介紹及比較電表,以及價錢可以接受,所以就購入了Brymen BM235這隻電表。接下來就好好跟各位介紹一下這隻電表吧!</span><br />
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<span style="font-size: large;"> 先介紹一下Brymen這家公司吧!令我驚訝的是它是一家台灣的公司!中文名是錞鐿科技,但基本上在台灣也不是這麼常見極容易買到,尤其是他的官方網站也沒有購買的資訊,反而他的歐洲官網可以買的到,但因為又要加一些稅及運費,所以還是跟台灣的經銷商購買。我看了一下該公司的介紹,他雖然本身的品牌不是非常有名,但它幫各品牌代工及設計電表,尤其是我接下來要開箱的機型BM235就讓許多公司貼牌販賣,只是差在其保護套的顏色有所不同,有藍色及綠色等等。</span><div>
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<span style="font-size: large;"> 進入正題,開始開箱這次的主角Brymen BM235吧!首先它的外盒跟Fluke或Keysight來比較,真的很小!包裝也很環保,沒有紙漿殼或是其他多餘的東西。接下來一小段題外話,雖然產品的本身不錯,但有時外觀確實會刺激一些買氣,看看Fluke的包裝,看起來就很專業,台灣的廠商要加油啊!國外的產品就很重視外觀或是包裝,讓人一看就想買。</span><br />
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<span style="font-size: large;">盒子正面,很簡單,就直接告訴你“我就是電表!”</span><br />
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">盒子背面,簡介一下兄弟機型,有BM235,BM233及BM231三種型號,三者差不多,大概彼此只差一些功能,例如溫度量測、頻率量測、或電容量測等等。若只是一般使用場景,其實BM231應該就夠用了。三者的價錢大約從新台幣2500到4500之間。這樣的設計有點偷懶,因為三種機型,只要一種板型的外盒即可。</span></div>
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">盒子側面,有紅點的就表示內容物是BM235,簡單。</span></div>
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">內容物!正式開箱,裡面就只有這些東西,電表本體、說明書、紅黑探棒及K-type測溫線。下面再一一介紹這些東西吧!</span><br />
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<span style="font-size: large;">電表本體。第一印象就是他的螢幕比他牌電表來的大,而且上面印刷的文字及圖案也相當清晰。</span><br />
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">電表背面。可以看到背面印刷著Made In Taiwan。</span></div>
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">說明書內容,只有英文,內容有規格、功能及如何量測等說明。</span><span face=""arial" , "helvetica" , sans-serif" style="font-size: large;"><img border="0" data-original-height="1467" data-original-width="1600" height="586" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizIUC7yY24nZPlwcVlchuPezKcr2Zv_u5XxlMA9jmnL1lhm553xKriFBw1keHl7ixkWvISF6-xbIhwZ4N0YNjL0_ghJAU8o2B5ale-kdGZrz7wxOPiexNZ1VN-MfUWydEsKQkmfxOklGFc/s640/DSC_4725_00007.jpg" width="640" /></span></div>
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<span style="font-size: large;">探棒。</span></div>
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">K-type測溫線。這個測溫線有點像淘寶上購買的大量及廉價的產品,看到上面金色的束線帶了及透明塑膠袋嗎?這真的有點扣分。</span><br />
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<span face=""arial" , "helvetica" , sans-serif"><span style="font-size: large;">探棒細節。探棒的品質相當不錯,探棒金屬部分有點鍍金的材質,同時也比Fluke或是Keysight電表附贈的探棒來的尖。而且我也很欣賞探棒的保護套頭,就是套上去後,只會露出探棒尖端,這樣可以減少在使用上不小心與電路板短路的情況發生。</span></span></div>
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<span style="font-size: large;"><span face=""arial" , "helvetica" , sans-serif">探棒細節。有附上開孔的保護套,這樣在點電路的時候可以減少碰到其他電路及元件的風險。</span><span face=""arial" , "helvetica" , sans-serif"></span></span><br />
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">將紅色保護殼拆開。感覺黑色本體好瘦啊!</span><br />
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">本體背面。</span></div>
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<span style="font-size: large;"><span face=""arial" , "helvetica" , sans-serif">本體正面。</span><span face=""arial" , "helvetica" , sans-serif">
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;"><img border="0" data-original-height="1600" data-original-width="1213" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUD8QDspDvXq2AA6Rxb-xzxgPlDRNriI0n5VB7SJ4u2gIvSXZgyJY4O6ta9XA4hhZvxlLdS9B8vR7m7hn1e9NI3x7dPaaa5q2zYkF6AgJxH32sHPPWiObJwJfrmLHrfuACegc-uFBAp9dB/s640/DSC_4740_00019.jpg" width="484" /></span></div>
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<span face=""arial" , "helvetica" , sans-serif" style="font-size: large;">最後,點亮螢幕背光做個結尾。</span><br />
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<br />[google][關鍵字][Fluke]</span><span face="arial, helvetica, sans-serif" style="font-size: large;">[Fluke 179]</span><span face="arial, helvetica, sans-serif" style="font-size: large;">[Keysight][Brymen]</span><br />
<span face="arial, helvetica, sans-serif" style="font-size: large;">[三用電表推薦]</span><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;">後記1:</span></div><div><span style="font-size: large;">專門介紹電子知識的Youtuber, David在自己經營的網站中也是選用Brymen三用電表當作是商品販賣喔!</span></div><div><span style="font-size: large;">https://www.eevblog.com/product/bm235/</span></div><div><span style="font-size: large;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiyg4QJro0866Jjp6ZIqdrFhicx_KPmQ9ZpyT7UkleBjrtv0dShns-KOdUeFX-thfN3yT9DEB80SkSXtJVkZJUrdBhV4Q9l8PfY0mKy_0M5sgxvMIjVf_W3xK9tgSQ4wO0Yij4lvTbsGarRYdEuw-WyenS3nFYUB62rgBLEjeAHmaGq8JWnlycHb8PoAw" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img alt="" data-original-height="830" data-original-width="1291" height="413" src="https://blogger.googleusercontent.com/img/a/AVvXsEiyg4QJro0866Jjp6ZIqdrFhicx_KPmQ9ZpyT7UkleBjrtv0dShns-KOdUeFX-thfN3yT9DEB80SkSXtJVkZJUrdBhV4Q9l8PfY0mKy_0M5sgxvMIjVf_W3xK9tgSQ4wO0Yij4lvTbsGarRYdEuw-WyenS3nFYUB62rgBLEjeAHmaGq8JWnlycHb8PoAw=w640-h413" width="640" /></a></span></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;"><br /></span></div><div><span style="font-size: large;">後記2:</span></div><div><span style="font-size: large;">在EEVlog的Youtube頻道中看到David有拿來跟Fluke的電表來比較,評價不錯喔。</span></div><div><span style="font-size: large;">https://www.youtube.com/watch?v=3Hlmq57FQQk<br /><br />EEVblog 1447 - EXPENSIVE Fluke vs CHEAPER Brymen - Teardown<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2-fduWZNURINTKZR7o47YhpXO-staQXWSuz2wa4bIiKBCZDucG2lCRTdp7uJ_v67G1E0zjLF4sqQB8mSv7uLFe6NSmHhVIXH3hON449fZQmmwbgFlgHOdiip-lqWi3EsLr8mqZFL9FiCU/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="276" data-original-width="472" height="374" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2-fduWZNURINTKZR7o47YhpXO-staQXWSuz2wa4bIiKBCZDucG2lCRTdp7uJ_v67G1E0zjLF4sqQB8mSv7uLFe6NSmHhVIXH3hON449fZQmmwbgFlgHOdiip-lqWi3EsLr8mqZFL9FiCU/w640-h374/image.png" width="640" /></a></div><br /><br /></span>
<span style="font-size: large;"><br /></span></div></div>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com1tag:blogger.com,1999:blog-5741591232295546050.post-38002763386051324852019-12-08T22:23:00.000+08:002020-02-21T22:24:16.056+08:00[儀器]-萬用電錶的位數是什麼意思yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-90896606907439380952019-07-27T10:16:00.001+08:002020-11-13T09:27:32.141+08:00[電子電路]-欠電壓保護線路-under voltage protection circuit (UVP circuit),原理,說明<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">[</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">電子電路</span><span lang="EN-US">]-</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">欠電壓保護線路</span><span lang="EN-US">-under voltage protection circuit (UVP circuit)</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,原理,說明</span></span></div>
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<span style="font-size: large;"><span lang="EN-US"><br />
</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">在之前的文章有介紹過“過電壓保護線路”,其目的就是避免過高的電壓破壞了設備或元件。同時為了避免低電壓使得系統誤動作,有時有會增加一組低電壓保護電路或稱為欠電壓保護電路</span><span lang="EN-US">(under voltage protection circuit, UVP circuit)</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。</span></span></div>
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<tr><td class="tr-caption" style="text-align: center;"><span style="font-size: large;">圖一</span></td></tr>
</tbody></table>
<div class="MsoNormal">
<span style="font-size: large;"><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">接著來講解一下欠電壓保護的工作原理,上圖一是一組欠電壓保護線路,整個系統是</span><span lang="EN-US">12V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的系統,當輸入電壓低於於</span><span lang="EN-US">10V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,則啟動保護,即將電源路徑斷開,以避免後端的系統產生誤動作。</span></span></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<span style="font-size: large;"><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">情況一:當</span><span lang="EN-US">V_input > 12V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">時</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">1. V_input > 12V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,假設</span><span lang="EN-US">V_input = 13V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">經</span><span lang="EN-US">R1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">R2</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">兩電阻分壓,得到約</span><span lang="EN-US">0.79V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的電壓。</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">2. </span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這加在</span><span lang="EN-US">Q1 Base</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的</span><span lang="EN-US">0.79V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">將使得</span><span lang="EN-US">Q1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">導通。</span></span></div>
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<span style="font-size: large;"><span lang="EN-US">3. Q1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">導通,則</span><span lang="EN-US">Q1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的</span><span lang="EN-US">Collectot</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">Emitter</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">為接地</span><span lang="EN-US">0V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,等於</span><span lang="EN-US">Q2</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的</span><span lang="EN-US">Gate</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">同樣為</span><span lang="EN-US">0V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">4. </span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">因為</span><span lang="EN-US">Q2</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">為</span><span lang="EN-US">PMOS</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,當</span><span lang="EN-US">Gate=0V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,則</span><span lang="EN-US">Source</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">Drain</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">互相導通,則</span><span lang="EN-US">SYS_12V = V_input = 12V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。</span></span></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<span style="font-size: large;"><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">情況二:當</span><span lang="EN-US">V_input = 12V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">時</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">1. V_input</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">經</span><span lang="EN-US">R1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">R2</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">兩電阻分壓,得到約</span><span lang="EN-US">0.72V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的電壓。</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">2. </span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這加在</span><span lang="EN-US">Q1 Base</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的</span><span lang="EN-US">0.72V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">將使得</span><span lang="EN-US">Q1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">導通。</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">3. Q1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">導通,則</span><span lang="EN-US">Q1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的</span><span lang="EN-US">Collectot</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">Emitter</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">為接地</span><span lang="EN-US">0V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,等於</span><span lang="EN-US">Q2</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的</span><span lang="EN-US">Gate</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">同樣為</span><span lang="EN-US">0V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">4. </span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">因為</span><span lang="EN-US">Q2</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">為</span><span lang="EN-US">PMOS</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,當</span><span lang="EN-US">Gate=0V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,則</span><span lang="EN-US">Source</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">Drain</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">互相導通,則</span><span lang="EN-US">SYS_12V = V_input = 12V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。</span></span></div>
<div class="MsoNormal">
<br /></div>
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<br /></div>
<div class="MsoNormal">
<span style="font-size: large;"><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">情況三:當</span><span lang="EN-US">V_input < 10V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">時</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">1. V_input</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">經</span><span lang="EN-US">R1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">R2</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">兩電阻分壓,得到約</span><span lang="EN-US">0.61V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的電壓。</span></span></div>
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<span style="font-size: large;"><span lang="EN-US">2. </span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這加在</span><span lang="EN-US">Q1 Base</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的</span><span lang="EN-US">0.61V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">並不足夠使得</span><span lang="EN-US">Q1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">導通。</span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">3. Q1</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">不導通,則</span><span lang="EN-US">Q2</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的</span><span lang="EN-US">Gate</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">會因</span><span lang="EN-US">R3</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,使得</span><span lang="EN-US">Gate</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">電壓</span><span lang="EN-US">=10V</span><span face=""新細明體" , "serif"" style="mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。</span></span></div>
<span style="font-size: large;">
<span face=""calibri" , sans-serif" lang="EN-US">4. </span><span style="font-family: , serif;">因為</span><span face=""calibri" , sans-serif" lang="EN-US">Q2</span><span style="font-family: , serif;">為</span><span face=""calibri" , sans-serif" lang="EN-US">PMOS</span><span style="font-family: , serif;">,當</span><span face=""calibri" , sans-serif" lang="EN-US">Gate=10V</span><span style="font-family: , serif;">,則</span><span face=""calibri" , sans-serif" lang="EN-US">Source</span><span style="font-family: , serif;">及</span><span face=""calibri" , sans-serif" lang="EN-US">Drain</span><span style="font-family: , serif;">之間不導通,所以</span><span face=""calibri" , sans-serif" lang="EN-US">V_input</span><span style="font-family: , serif;">將無法進入到</span><span face=""calibri" , sans-serif" lang="EN-US">SYS_12V</span><span style="font-family: , serif;">中。</span></span>
<div><span style="font-size: large;"><span style="font-family: , serif;"><br /></span></span></div><div><span style="font-size: large;">介紹了過電壓保護(OVP)及欠電壓保護(UVP)電路,目的就是為了讓電路操作在適當的電壓中,有了OVP及UVP這兩組電路就可以將電壓限制在一組電壓中,所以也有一種電路就是同時整合這兩種電路的特性,就像是一個“窗戶”將電壓侷限在一個上下限中,所以也可以稱這種電路為“window linit circuit”</span></div>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-4178169558966448462019-07-07T10:42:00.000+08:002019-07-10T11:01:05.295+08:00[電子電路]-Power over Ethernet (PoE) with Midspan/Endpoint Insertion_PoE中的Midspan/Endpoint模式<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US">[</span><span style="font-family: "新細明體" , "serif";">電子電路</span><span lang="EN-US">]-Power over
Ethernet (PoE) with Midspan/Endpoint Insertion_PoE</span><span style="font-family: "新細明體" , "serif";">中的</span><span lang="EN-US">Midspan/Endpoint</span><span style="font-family: "新細明體" , "serif";">模式</span></span></div>
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<span style="font-size: large;"><span lang="EN-US"> </span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">目前乙太網路供電</span><span lang="EN-US">(PoE, Power Over Ethernet)</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的供電方式已是愈來愈普及了。目前普及的標準化乙太網路供電可分為兩大類,一是</span><span lang="EN-US">IEEE802.3at</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,另一種是</span><span lang="EN-US">IEEE802.3af</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,但這篇文章先不討論這兩者的差異。採用標準化的以太網路供電有許多的優點,不會因差錯供電設備而造成產品誤動作,且供電線路可達</span><span lang="EN-US">100</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">公尺,並簡化了供電及資料纜線的布建。</span></span><br />
<span style="font-size: large;"><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;"><br /></span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US"> </span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">一般日常生活中常見的網路線種類為</span><span lang="EN-US">CAT-5(Category 5)</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,</span><span lang="EN-US">CAT-5</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">包含</span><span lang="EN-US">8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">條線,其中每兩條線絞成一組</span><span lang="EN-US">(</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">或可稱為一對線</span><span lang="EN-US">)</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">,即有</span><span lang="EN-US">4</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">對線。編號</span><span lang="EN-US">1,2</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">為一對線,編號</span><span lang="EN-US">3,6</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">為一對線,編號</span><span lang="EN-US">4,5</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">為一對線,編號</span><span lang="EN-US">7,8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">為一對線,如圖一。依網路速度則可分為</span><span lang="EN-US">10BASE-T(10Mbps)</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">、</span><span lang="EN-US">100BASE-TX(100Mbps)</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">、</span><span lang="EN-US">1000BASE-T(1000Mbps)</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。但因網路速度的提升,</span><span lang="EN-US">10BASE-T</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">漸漸已被淘汰了。</span></span></div>
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><span style="font-size: large;"><img border="0" data-original-height="499" data-original-width="1229" height="258" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiY2GoFY5Et6FXwNghHS3LrVePkq9KpfsA79inq0iXT1rPAoVYRpa5j7zp-tNIdH-yAXaEZi5p78QCewpcLNG2rTUX6ossFLCBOnh8-ScxFPV7KQ4iCSDsWDktVFJTROca0vm6JZf-Td4qU/s640/01.PNG" style="margin-left: auto; margin-right: auto;" width="640" /></span></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><span style="font-size: large;">圖一</span></td></tr>
</tbody></table>
<div class="MsoNormal">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiY2GoFY5Et6FXwNghHS3LrVePkq9KpfsA79inq0iXT1rPAoVYRpa5j7zp-tNIdH-yAXaEZi5p78QCewpcLNG2rTUX6ossFLCBOnh8-ScxFPV7KQ4iCSDsWDktVFJTROca0vm6JZf-Td4qU/s1600/01.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><span style="font-size: large;"></span></a></div>
<div class="MsoNormal">
<span style="font-size: x-small;"><span lang="EN-US" style="font-size: large;"> </span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;"> 先不考慮乙太網路供電,只考慮網路資料傳輸部分,</span><span lang="EN-US">10Mbps/100Mbps</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的網路線,只用編號</span><span lang="EN-US">1-2,3-6</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這兩對線來傳輸資料,編號</span><span lang="EN-US">4-5,7-8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這兩對線為閒置的狀態。而</span><span lang="EN-US">1000Mbps</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">則</span><span lang="EN-US">4</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">對線都會用到。如圖二。</span></span><br />
<span style="font-size: large;"><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;"><br /></span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US"> </span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">現在在加上乙太網路供電的部分,因為</span><span lang="EN-US">10Mbps/100Mbps</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的網路線,資料傳輸只用編號</span><span lang="EN-US">1-2,3-6</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這兩對線,所以閒置的編號</span><span lang="EN-US">4-5,7-8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這兩對線則用來傳輸電力,其中編號</span><span lang="EN-US">4-5</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這對線通常為電力的正端,編號</span><span lang="EN-US">7-8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這對線則為電力的負端,這種用編號</span><span lang="EN-US">4-5</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及編號</span><span lang="EN-US">7-8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">傳輸電力的方式稱為</span><span lang="EN-US">Midspan mode</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">或是</span><span lang="EN-US">mode B</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。當然有會有人設計資料及電力的傳輸都是用編號</span><span lang="EN-US">1-2,3-6</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這兩對線,這種方式則稱為</span><span lang="EN-US">Endpoint mode</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">或是</span><span lang="EN-US">mode A</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">。</span></span><br />
<span style="font-size: large;"><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;"><br /></span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US"> 1000Mbps</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">的網路線,資料傳輸會用到編號</span><span lang="EN-US">1-2,3-6,4-5,7-8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這四對線,可以採用上述所說的</span><span lang="EN-US">Endpoint mode</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">或是</span><span lang="EN-US">Midspan mode</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">來傳輸電力。</span><span lang="EN-US">mode A</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">mode B</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">是公認的標準,所以也不會有人採用別的方式來作乙太網路供電,除非想要建置專屬於自己的規格及系統,才會不用以上這兩種方式,例如可能用編號</span><span lang="EN-US">1-2</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">及</span><span lang="EN-US">7-8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這兩對線來傳輸電力。</span></span><br />
<span style="font-size: large;"><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;"><br /></span></span></div>
<div class="MsoNormal">
<span style="font-size: large;"><span lang="EN-US"> </span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">統整一下:</span></span></div>
<div class="MsoNormal" style="margin-left: 24.0pt; text-indent: 24.0pt;">
<span style="font-size: large;"><span lang="EN-US" style="text-indent: 24pt;">1. Endpoint mode (mode A)</span><span style="font-family: "新細明體" , "serif"; text-indent: 24pt;">:用編號</span><span lang="EN-US" style="text-indent: 24pt;">1-2,3-6</span><span style="font-family: "新細明體" , "serif"; text-indent: 24pt;">這兩對線來傳電力</span></span><br />
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<img border="0" data-original-height="693" data-original-width="1024" height="432" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_munuo4dUKG00cM6a5ofwhTKnFpaDqu74pfyvfx1w5nSDDlX01vL7aLTgoQxexUrDcEnfKHxVCKvhNvFjV3kHW0yyOdU3u25CsIf3cGzquYwVsrtGHTsqg1heR018Zpj82RSiz4jvOZU8/s640/%25E5%259C%2596%25E7%2589%25871.png" width="640" /></div>
<span style="font-size: large;"><span style="font-family: "新細明體" , "serif"; text-indent: 24pt;"><br /></span></span></div>
<div class="separator" style="clear: both; text-align: center;">
<span style="font-size: large;"></span></div>
<span style="font-size: large;"><span style="font-size: medium;"><br /></span>
</span><br />
<div class="MsoNormal" style="margin-left: 24.0pt; text-indent: 24.0pt;">
<span style="font-size: large;"><span lang="EN-US">2. Midspan mode (mode B)</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">:用編號</span><span lang="EN-US">4-5,7-8</span><span style="font-family: "新細明體" , "serif"; mso-ascii-font-family: Calibri; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: 新細明體; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin;">這兩對線來傳電力</span></span><br />
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<span style="font-size: large;"><br /></span>yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-54757694263092246082019-03-19T17:25:00.002+08:002019-03-19T17:25:33.208+08:00[電子電路]-散熱計算,功率散失計算-02_power dissipation calculation-02: Switching DC/DC converter power dissipation calculation[電子電路]-散熱計算,功率散失計算-02_power dissipation calculation-02: Switching DC/DC converter power dissipation calculationyufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-19700891012222595972018-11-18T13:29:00.000+08:002018-11-18T13:29:14.185+08:00[電子電路]-IC核心溫度估算_IC junction temperature estimationyufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0tag:blogger.com,1999:blog-5741591232295546050.post-84589370873737505152018-10-13T13:26:00.000+08:002018-10-19T09:24:23.260+08:00[802.11a to 802.11ac]-EVM分貝與百分比之間轉換[802.11a to 802.11ac]-EVM分貝與百分比之間轉換<br />
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EVM(dB) = 20*log(0.01*EVM(%))<br />
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有個比較好確認EXCEL算試是否有寫錯的方式,即<br />
1. 1倍(100%)為0dB<br />
2. 100倍(10000%)為40dB<br />
只要帶這兩個直進去,就可以確認是否有寫錯算式。yufanhttp://www.blogger.com/profile/13262767430523938386noreply@blogger.com0