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Electronic Devices - Oscillator Circuits

Exercise : Oscillator Circuits - General Questions
61.
Calculate the fr of a lead-lag network if R1 = R2 = 6.8 k, and C1 = C2 = 0.05 F.
468 Hz
4.68 kHz
46.8 kHz
468 kHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
62.
Which of the following is (are) feedback?
Voltage-series
Voltage-shunt
Current-series
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
63.
What is the relationship between the series and parallel resonant frequencies of a quartz crystal?
They are equal.
Parallel resonant frequency is approximately 1 kHz higher than series resonant frequency.
Series resonant frequency is approximately 1 kHz higher than parallel resonant frequency.
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
64.
An op-amp integrator has a square-wave input. The output should be
a sine wave.
a triangle wave.
a square wave.
pure dc.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
65.
The frequency distortion arising because of varying amplifier gain with frequency is considerably reduced in a negative-voltage feedback amplifier circuit.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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