8 如圖所示場效電晶體電路, VP = -3 V , IDSS = 18 mA , VGS = -2 V ,直流工作電壓 VDS 為何?
(A)2V
(B)4V
(C)6V
(D)8V
答案:登入後查看
統計: A(2), B(40), C(7), D(2), E(0) #3049707
統計: A(2), B(40), C(7), D(2), E(0) #3049707
詳解 (共 2 筆)
#5697558
ID= IDSS(1- VGS/VT)2
ID= 18m[1-(-2)/(-3)]2= 2m
VDS= VDD-RDID= 4
ID= 18m[1-(-2)/(-3)]2= 2m
VDS= VDD-RDID= 4
4
0