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Discussion :: Analog Electronics

  1. An RC coupled amplifier has an open loop gain of 200 and a lower cutoff frequency of 50 Hz. If negative feedback with β = 0.1 is used, the lower cut off frequency will be

    2. A.
    about 50 Hz
    B.
    about 5 Hz
    C.
    about 2.38 Hz
    D.
    about 70.5 Hz

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    Answer : Option C

    Explanation :

    New lower cutoff frequency = .

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