37. 如右圖所示之電路,RG = 10 KΩ,RD = 10 KΩ,若JFET場效電晶體之rd = 10 KΩ,gm = 2.5 mA/V/(即μ = 25),其電壓增益
為下列何者?

(A) 20
(B) 12.5
(C) 7.5
(D) 2.5
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統計: A(2), B(141), C(32), D(12), E(0) #1890622
統計: A(2), B(141), C(32), D(12), E(0) #1890622