Exercise: Fet Amplifiers

Questions for: Fet Amplifiers

Refer to this figure. If R7 were to decrease in value, Vout would

A:
increase.
B:
decrease.
C:
remain the same.
D:
distort.
Answer: B
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Class D amplifiers differ from all other classes of amplifiers because
A:
the output transistors are operated as switches.
B:
of their very low input capacitance.
C:
of their high-frequency response capabilities.
D:
they employ dual MOSFETs.
Answer: A
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Refer to this figure. For midpoint biasing, ID would be

A:
10 mA.
B:
7.5 mA.
C:
5 mA.
D:
2.5 mA.
Answer: C
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On which of the following parameters does rd have no or little impact in a source-follower configuration?
A:
Zi
B:
Zo
C:
Av
D:
All of the above
Answer: D
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Which type of FETs can operate with a gate-to-source Q-point value of 0 V?
A:
JFET
B:
E-MOSFET
C:
D-MOSFET
D:
Answer: C
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