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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 11
16.
In a tuned class C power amplifier the quiescent value of collector to emitter voltage is equal to (VCC denotes collector battery voltage)
VCC
0.5 VCC
0.25 VCC
either (b) or (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Volt equivalent temperature in a PN Junction diode is
11600 T
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Primary advantage of a crystal oscillator is that
it can oscillate at any frequency
it gives a high O/P voltage
its frequency of oscillation remains almost constant
it operates on a very low dc supply voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The conversion or collector circuit efficiency is a measure
how successfully the active device converts D.C. power to A.C. signal power
how much distortion in output is reduced with respect to input
how successfully the active device converts A.C. power to D.C. signal power
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
A transistor amplifier is operating in class A mode. If a transformer is connected for impedance matching, the efficiency will
increase
decrease
not be affected
increase or decrease
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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