問題詳情
四、圖四放大器之電晶體以直流電源 I 偏壓，其他部分偏壓電路業經省略。電路元件與電晶體小訊號參數：RB = 10 kΩ, RC = 20 kΩ, Rsig = 0.5 kΩ, RL = 10 kΩ, CE = 20 μF,CC1 = CC2 = 2 μF, rπ = 2.5 kΩ, gm = 25 mA/V, ro = 20 kΩ, Cπ = 10 pF, Cμ = 1 pF。求算放大器之低頻電壓增益 Av(s) = Vo/Vsig 頻率響應，含各極點（pole）頻率以及遠離極點之中頻增益 AM。（20 分） 
參考答案
答案：D
難度：適中0.504581
統計：A(834),B(556),C(749),D(3194),E(0)
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