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Discussion :: Signals and Systems

  1. A pole zero pattern of a certain filter is shown in figure. This filter must be

  2. A.
    LPF
    B.
    BFP
    C.
    HPF
    D.
    APF

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    Answer : Option D

    Explanation :

    In transfer function, no of zeros = no. of poles, hence it is all pass fliter.


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