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In FM receiver, role of amplitude limiter is to amplify low frequency signals.

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In FM receiver, role of amplitude limiter is to amplify low frequency signals.

(a) True

(b) False

The question was asked in semester exam.

I want to ask this question from Demodulation of SSB with Large Carrier topic in chapter SSB Modulation of Analog Communications

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Right choice is (b) False

The explanation: Amplitude Limiter circuit is used in FM receiver to remove the noise or any variation in amplitude present in the received signal. Thus, the output of the amplitude limiter has a constant amplitude. So it is only used in frequency modulation and not in amplitude modulation.

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