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Discussion :: Communication Systems

  1. In a communication receiver, a squelch circuit is normally inserted

    2. A.
    before detector
    B.
    after detector
    C.
    before mixer
    D.
    after power amplifier

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    Answer : Option B

    Explanation :

    Squelch, i.e., muting is added after detector to suppress noise when no carrier is present at input.

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