電子學共基極放大器 觀念疑問 - 考試
By Carol
at 2016-05-27T13:51
at 2016-05-27T13:51
Table of Contents
http://i.imgur.com/cPvHKnD.jpg
求輸出電壓Vo
先求出總電流i1,再分流得到i2,主動區成比例,i2乘B倍得i3電流,i3電流乘 Rc並聯Rl,
再乘負號得Vo。
請問用我的方法寫出輸入電阻Ri可以嗎?
另外課本沒講,他的輸入電阻Ri是用灌電壓噴電流的方式求得然後並聯RBB嗎(像我寫的那
樣?)?
以上....
非本科系學電子真的蠻硬的@@
--
求輸出電壓Vo
先求出總電流i1,再分流得到i2,主動區成比例,i2乘B倍得i3電流,i3電流乘 Rc並聯Rl,
再乘負號得Vo。
請問用我的方法寫出輸入電阻Ri可以嗎?
另外課本沒講,他的輸入電阻Ri是用灌電壓噴電流的方式求得然後並聯RBB嗎(像我寫的那
樣?)?
以上....
非本科系學電子真的蠻硬的@@
--
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