Home / ECE / Communication Systems :: Discussion

Discussion :: Communication Systems

  1. In the output of a DM speech encoder, the consecutive pulses are of opposite polarity during time interval t1 < t < t2. This indicates that during this interval

  2. A.
    the input to the modulator is essentially constant
    B.
    the modulator is going through slope overload
    C.
    the accumulator is in saturation
    D.
    the speech signal is being sampled at the Nyquist rate

    View Answer

    Workspace

    Answer : Option A

    Explanation :

    In delta modulator, when consecutive pulses of polarity are opposite then signal is constant.


Be The First To Comment