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Discussion :: Communication Systems

  1. An analog signal is band limited to B Hz sampled at Nyquist rate and samples are quantized into 4 levels each with probability . The information rate is

    2. A.
    4 bits/s
    B.
    B bits/s
    C.
    4 B bits/s
    D.
    0.25 B bits/s

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    Answer : Option C

    Explanation :

    .

    Signal should be sampled at frequency 2B Hz.

    Hence, information rate = 2 (2B) = 4B bits/s.

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