37 圖為含主動負載的差分對(Differential Pair with Active Load)。若電晶體都有相同的爾利電壓(Early Voltage,VA)100V;且都設計在相同的驅使電壓(Overdrive Voltage, VGS-VTH)0.2V。此電路差模 電壓增益(Differential Mode Voltage Gain)Ad≣Vo / (V1-V2) 約為:
(A) 1000
(B) 500
(C) 250
(D) 125
答案:登入後查看
統計: A(4), B(15), C(3), D(0), E(0) #1233619
統計: A(4), B(15), C(3), D(0), E(0) #1233619