[理工] 單級放大器(米勒)
請問大家
當β非常高時,Ib接近0,rπ接近∞大時
米勒該如何下手?
(很抱歉,我題意集極到基極降0.4v這段我不明白意思)
題目
http://i.imgur.com/wiMYVvJ.jpg
signal model
http://i.imgur.com/yqX8alc.jpg
先謝謝大家
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