Exercise: Fet Amplifiers

Questions for: Fet Amplifiers

Transconductance is the ratio of changes in ________.
A:
ID to VGS
B:
ID to VDS
C:
VGS to IG
D:
VGS to VDS
Answer: A
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The ________ controls the ________ of an FET.
A:
ID, VGS
B:
VGS, ID
C:
IG, VDS
D:
IG, ID
Answer: B
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________ is the only parameter that is different between voltage-divider and fixed-bias configurations.
A:
Zi
B:
Av
C:
Zo
D:
None of the above
Answer: A
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The depletion MOSFET circuit has a ________ input impedance than a similar JFET configuration.
A:
much higher
B:
much lower
C:
lower
D:
higher
Answer: A
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gm has its maximum value for a JFET at ________.
A:
B:
0.5
C:
0.3
D:
IDSS
Answer: D
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