第八章单元测试
The FET version of the BJT's common-emitter configuration is the （ ） circuit.
Calculate the input impedance for this FET amplifier. （ ）
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 
. （ ）
The （ ） amplifier has high input impedance, low output impedance, and low voltage gain.
The （ ） FET amplifier has low input impedance, high output impedance, and high voltage gain.
A:common-source B:common-current C:common-drain D:common-gate
答案:common-source
A:
B:
= would depend on the drain current 
C:
D:
A:
B:
C:
D:
A:common-gate B:common-source C:common-drain
A:common-source B:common-drain C:common-gate
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