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Electronic Devices - Oscillator Circuits

Exercise : Oscillator Circuits - General Questions
16.
The feedback signal in a(n) ________ oscillator is derived from a capacitive voltage divider in the LC circuit.
Hartley
Armstrong
Colpitts
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.

Refer to this figure. This circuit is

a sine-wave oscillator.
a monostable multivibrator.
an astable multivibrator.
a VCO.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
This circuit is a ________ oscillator.

phase-shift
Wien bridge
Colpitts
Hartley
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Sinusoidal oscillators operate with ________ feedback.
positive
negative
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Referring to this figure, calculate the voltage gain with the feedback for the following circuit values: RD = 4 k, RS = 1 k, RF = 15 k, and gm = 5000 μS.

–11.2
–8.57
–6.75
–3.25
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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