問題詳情
36.如【圖 36】所示為一簡化的共源(CS)放大器(其偏壓電路略去未繪示)，其中 Rsig 為輸入訊號源的內阻。電阻Rsig對此 CS 放大器的中頻電壓增益 AM 及對高 3-dB 頻率 fH 的影響為： 
(A)對 AM 及 fH 的影響均極大
(B)對 AM 的影響極大，對 fH 的影響極小
(C)對 AM 的影響極小，對 fH 的影響極大
(D)對 AM 及 fH 的影響均極小
(A)對 AM 及 fH 的影響均極大
(B)對 AM 的影響極大，對 fH 的影響極小
(C)對 AM 的影響極小，對 fH 的影響極大
(D)對 AM 及 fH 的影響均極小
參考答案
答案：C
難度：困難0.366667
統計：A(5),B(4),C(11),D(3),E(0)
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