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Discussion :: Communication Systems

  1. In an FM system, when the AF is 500 Hz and the AF voltage is 2.4 V, the deviation is 4.8 kHz. If the AF voltage is now increased to 7.2 V, the new deviation will be

    2. A.
    4.8 kHz
    B.
    9.6 kHz
    C.
    14.4 kHz
    D.
    28.8 kHz

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    Answer : Option C

    Explanation :

    Δf' = 2 x 7.2 14.4 kHz

    New frequency donation will be 14.4 kHz.

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