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Discussion :: Communication Systems

  1. An FM signal with a deviation is passes through the mixer, and has its frequency reduced five fold. The deviation in the output of the mixer is

    2. A.
    Δ
    B.
    5Δ
    C.
    Δ/5
    D.
    indeterminant

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    Answer : Option A

    Explanation :

    Δf (frequency deviation) is independent of fm , Δf depends only upon amplitude of message signal.

    Δf = kf.Am .

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