問題詳情
45.下列有關MOS電流鏡和BJT電流鏡的比較何者有誤？
(A) MOS電流鏡無β效應(有限β值效應)
(B)通常MOS電流鏡的 
來的大
(C) MOS電流鏡rO 的影響比BJT電流鏡小(有限 rO 值效應)
(D) Wilson電流鏡的電路可降低BJT電流鏡β值有限效應及增加輸出電阻值
參考答案
答案：C
難度：困難0.25
統計：A(1),B(2),C(1),D(0),E(0)
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