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Electronic Devices - Oscillator Circuits

Exercise : Oscillator Circuits - General Questions
26.

Refer to this figure. If C1 increases in value, the resonant frequency will

increase.
decrease.
remain the same.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
What is the ratio of the input impedance with series feedback to that without feedback?
1 + A
A
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The amplifier is unstable if the Nyquist curve plotted encloses (encircles) the –1 point, and it is stable otherwise.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which of the following oscillators is (are) tuned oscillators?
Colpitts
Hartley
Crystal
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
What is the ratio of the output impedance with series feedback to that without feedback?
1
1 + A
A
A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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