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Mohit Rajput

· started a discussion

· 1 Months ago

ANSWER IS WRONG (Question: 137812.0 )

ossilator uses which feedback it uses positive feedback here answer given is negative please check question number 15 electrical test

Question:

An oscillator uses:

Options:
A)

Positive feedback

B)

Negative Feedback

C)

Both positive and negative feedback

D)

No feedback

Solution:
Ans: (A) In oscillators using positive feedback it is important that amplitude of the oscillator output remains stable. Therefore the closed loop gain must be 1 (unity). In other words, the gain within the loop (provided by the amplifier) should exactly match the losses (caused by the feedback circuit) within the loop.

Knowledge Expert

· commented

· 1 Months ago

Dear student
We have fixed it.

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