電子學 多級放大器 - 考試
By Harry
at 2016-05-19T21:14
at 2016-05-19T21:14
Table of Contents
問題:http://i.imgur.com/LnhNzQb.jpg 解答:http://i.imgur.com/BJmbBRL.jpg
這題是老劉課本的問題,想請問上題的第三小題要算電壓增益畫小訊號時為啥第二級要
共射級接地(看解答)? 這題也是smith課本例題,smith並沒有將它視為接地,所以
兩個答案有一些誤差,感覺在一些前提下才能接地但不清楚原因,麻煩高手解答,謝謝
註: 因為smith解法比較麻煩一些,所以是希望稍微改一下老劉解法的數字可以得到
smith的答案,目前還試不出來...
--
這題是老劉課本的問題,想請問上題的第三小題要算電壓增益畫小訊號時為啥第二級要
共射級接地(看解答)? 這題也是smith課本例題,smith並沒有將它視為接地,所以
兩個答案有一些誤差,感覺在一些前提下才能接地但不清楚原因,麻煩高手解答,謝謝
註: 因為smith解法比較麻煩一些,所以是希望稍微改一下老劉解法的數字可以得到
smith的答案,目前還試不出來...
--
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考試
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