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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 11
41.
Which of the amplifier circuits using junction transistors has the best gain?
Common emitter
Common base
Common collector
All above has the same gain
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
To obtain very high input and O/P impedance in a feedback amplifier, the type of feedback utilized
voltage series
current series
voltage shunt
current shunt
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The thermal resistance of a BJT is about
100° C/W
200° C/W
20° C/W
2° C/W
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Oscillator with best frequency stability is
Crystal oscillator
Phase shift oscillator
Clapp oscillator
Hartley oscillator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The IF amplifier in a superheterodyne receiver is
single-stage single-timed amplifier
two stage of single tuned amplifier
double tuned amplifier
class-C amplifier
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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