8 如圖為一個理想運算放大器電路，其電壓增益 vO/vI為多少分貝（dB）？(A)10 dB (B)-10 dB (C) 20 dB (D)-20 dB

問題詳情

8 如圖為一個理想運算放大器電路，其電壓增益 vO/vI為多少分貝（dB）？
(A)10 dB
(B)-10 dB
(C) 20 dB
(D)-20 dB phpntaz6E

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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