第八章测试1.The FET version of the BJT's common-emitter configuration is the （ ） circuit.
A:common-gate B:common-drain C:common-source D:common-current
答案:C
2.Calculate the input impedance for this FET amplifier. （ ）
A:
B:
C:
D:
= would depend on the drain current 
3.Design this circuit for a voltage gain of 10. You have to calculate the value of resistor 
and 
. It is desired that the transistor operate with a relatively high value of 
. For this device, a high value of 
is defined as 
. （ ）
A:
B:
C:
D:
4.The （ ） amplifier has high input impedance, low output impedance, and low voltage gain. A:common-source B:common-gate C:common-drain 5.The （ ） FET amplifier has low input impedance, high output impedance, and high voltage gain.
A:common-drain B:common-source C:common-gate
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