問題詳情
5 有一差動放大器的共模增益 AC=20，差模增益 Ad=180，則其共模拒斥比（CMRR）=？
(A)180
(B) 20
(C)9
(D) 1/9
(A)180
(B) 20
(C)9
(D) 1/9
參考答案
答案：C
難度：簡單0.8
統計：A(0),B(0),C(4),D(1),E(0)
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