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6.下列有關差動放大器的敘述,何者有誤? (A)共模拒斥比CMRR,愈小愈能抑制雜訊 (B)共模拒斥比CMRR定義為:差模增益Ad與共模增益Ac的比值 (C)差模增益Ad愈大愈好 (D)共模增益Ac愈
問題詳情
6.下列有關差動放大器的敘述,何者有誤?
(A)共模拒斥比CMRR,愈小愈能抑制雜訊
(B)共模拒斥比CMRR定義為:差模增益Ad與共模增益Ac的比值
(C)差模增益Ad愈大愈好
(D)共模增益Ac愈小愈好。
參考答案
答案:A
難度:簡單0.75
統計:A(3),B(0),C(1),D(0),E(0)
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