問題詳情
38 如圖所示差動對電路，電晶體之 β = 100，ro →∞，RC = 4 kΩ，I = 2 mA，VCC = -VEE = 10 V，取VBE(on) = 0.7 V，VCE(sat) = 0.3 V，VT = 25 mV，當 vB1 = vB2 = 0 時，iC1(iC2)之值約為何？
(A)0 mA
(B)0.01 mA
(C)1 mA
(D)2 mA
(A)0 mA
(B)0.01 mA
(C)1 mA
(D)2 mA
參考答案
答案：C
難度：簡單0.858491
統計：A(8),B(22),C(273),D(8),E(0)
難度：簡單0.858491
統計：A(8),B(22),C(273),D(8),E(0)