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What is the purpose of peak clipper circuits in radios?

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What is the purpose of peak clipper circuits in radios?

(a) prevent overmodulation

(b) reduce bandwidth

(c) increase bandwidth

(d) regulate oscillator input voltage

I had been asked this question in an online interview.

My query is from Applications of SSB topic in chapter SSB Modulation of Analog Communications

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Right option is (a) prevent overmodulation

Easy explanation: Clipper is used to prevent the output of a circuit from exceeding a predetermined voltage. It does not distorted the remaining part of the applied waveform.

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