23 如圖所示之放大器電路,電晶體 J 之參數如下:IDSS = 8 mA,VP = -4 V,求此電路之小信號輸出阻抗 值為何?
(A)1 kΩ
(B)1/2 kΩ
(C)1/3 kΩ
(D)1/4 kΩ
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統計: A(71), B(34), C(89), D(7), E(0) #1510451
統計: A(71), B(34), C(89), D(7), E(0) #1510451