34 圖中為射極耦合邏輯(Emitter-Coupled Logic, ECL)電路。其中VI為輸入,VO1、VO2為輸出, VCC = 0 V,參考電壓VR = -1.32 V,偏置電流源(Bias Current Source)I = 4 mA,RC = 200 Ω。當輸 出為邏輯低位準時,其電壓約為: 
(A)-1 V
(B)-0.8 V
(C)-0.5 V
(D)-0.1 V

(A)-1 V
(B)-0.8 V
(C)-0.5 V
(D)-0.1 V
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統計: A(13), B(58), C(27), D(9), E(0) #814512
統計: A(13), B(58), C(27), D(9), E(0) #814512