Exercise: Analog Electronics

Questions for: Analog Electronics

The frequency response of an ideal tuned amplifier should be as represented in figure by
A:
A
B:
B
C:
C
D:
D
Answer: C
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In common base amplifier the current gain is less than one, but the voltage gain may be anywhere from
A:
0.5 to 1
B:
1 to 5
C:
5 to 10
D:
50 to 2000
Answer: D
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A D.C. amplifier amplify
A:
D.C. only
B:
A.C. only
C:
both A.C. and D.C.
D:
none of the above.
Answer: A
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If Rs is the sources resistance, the O/P resistance of an emitter follower using the simplified hybrid model would be
A:
B:
C:
D:
Answer: A
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Which of the following circuits can operate class AB for audio power output?
A:
Emitter follower
B:
Push pull
C:
Cascade
D:
Darlington pair
Answer: D
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