問題詳情
30. 某串級放大器輸入電壓為0.01 sinሺtሻ V,第一級、第二級與第三級電壓增益分別為29dB、6dB、5dB,則第三級輸出電壓有效值為何?
(A) 7.07 V
(B) 1.414 V
(C) 1 V
(D) 0.707 V
(A) 7.07 V
(B) 1.414 V
(C) 1 V
(D) 0.707 V
參考答案
無參考答案
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