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Discussion :: Communication Systems

  1. If the bandwidth is increased by 2, the γFM γAM (where γ is the ratio of SNR of output to SNR at input, FM is frequency modulation and AM is amplitude modulation) is increased by a factor of

    2. A.
    2
    B.
    3
    C.
    4
    D.
    6

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    Answer : Option C

    Explanation :

    Doubling of frequency increase SNR in frequency modulation by 4. It has no effect in AM.

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