Exercise: Fet Amplifiers

Questions for: Fet Amplifiers

The steeper the slope of the ID versus VGS curve, the ________ the level of gm.
A:
less
B:
same
C:
greater
D:
Answer: C
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Which of the following is a required condition to simplify the equations for Zo and Av for the self-bias configuration?
A:
rd 10RD
B:
rd = RD
C:
rd 10RD
D:
None of the above
Answer: C
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Referring to this figure, find Zo if yos = 20 S.

A:
1.85 k
B:
1.92 k
C:
2.05 k
D:
2.15 k
Answer: B
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Refer to this figure. If C4 opened, the signal voltage at the drain of Q1 would

A:
increase.
B:
decrease.
C:
remain the same.
D:
distort.
Answer: C
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There is a ________º phase inversion between gate and source in a source follower.
A:
0
B:
90
C:
180
D:
none of the above
Answer: A
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