Exercise: Bjt Amplifiers

Questions for: Bjt Amplifiers

For a common-emitter amplifier, the purpose of swamping is
A:
to minimize gain.
B:
to reduce the effects of r'e
C:
to maximize gain.
D:
no purpose.
Answer: B
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Refer to this figure. Determine the value of Av.

A:
49.6
B:
5
C:
100
D:
595
Answer: B
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Which of the following conditions must be met to allow the use of the approximate approach in a voltage-divider bias configuration?
A:
re > 10R2
B:
RE > 10R2
C:
RE < 10R2
D:
re < 10R2
Answer: D
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Which of the following is referred to as the reverse transfer voltage ratio?
A:
hi
B:
hr
C:
hf
D:
ho
Answer: B
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Refer to this figure. Find the value of IE.

A:
2 mA
B:
4 mA
C:
5 mA
D:
6 mA
Answer: D
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