Exercise: Dc Biasing Fets

Questions for: Dc Biasing Fets

For what value of RS can the depletion-type MOSFETs operate in enhancement mode?

A:
2.4 k
B:
5 k
C:
6.2 k
D:
None of the above
Answer: C
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Through proper design, a ________ can be introduced that will affect the biasing level of a voltage-controlled JFET resistor.
A:
photodiode
B:
thermistor
C:
laser diode
D:
Zener diode
Answer: B
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The input controlling variable for a(n) ________ is a current level and a voltage level for a(n) ________.
A:
BJT, FET
B:
FET, BJT
C:
FET, FET
D:
BJT, BJT
Answer: A
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Which of the following is (are) true of a self-bias configuration compared to a fixed-bias configuration?
A:
One of the dc supplies is eliminated.
B:
A resistor RS is added.
C:
VGS is a function of the output current ID.
D:
All of the above
Answer: D
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For what value of R2 is VGSQ equal to 1 V?

A:
10 M
B:
100 M
C:
110 M
D:
220 M
Answer: B
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