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Discussion :: Analog Electronics

  1. A second order active bandpass filter can be obtained by cascading LP second order filter having higher cut off frequency fOH with a second order HP filter having lower cut off frequency fOL provided

    2. A.
    fOL < fOH
    B.
    fOL > fOH
    C.
    fOH = fOL
    D.
    fOH < 0.5 fOL

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    Answer : Option A

    Explanation :

    If fOL is less than fOH, a passband will exist from fOL to fOH .

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