60.如【圖 60】所示為 MOSFET 放大電路,Q1的特性為 Vt = 2 V,K1 = 4 mA/V 2,Q2的特性為 Vt = 2 V,K2 = 1 mA/V2 ,請問此電路之輸出直流準位 Vo 與電壓增益 Av = Vo/Vi 為多少 ?
(A)Vo = 7 V,Av = –4
(B) Vo = 7 V,Av = –2
(C)Vo = 4 V,Av = –4
(D) Vo = 4 V,Av = –2
答案:登入後查看
統計: A(32), B(101), C(43), D(16), E(0) #1868621
統計: A(32), B(101), C(43), D(16), E(0) #1868621