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gain measurement

Discussion in 'Electronic Basics' started by hannibal, Feb 12, 2004.

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  1. hannibal

    hannibal Guest


    I have output buffer that i would like to know the gain.
    the average output power is 2dBm and the input differential voltage is
    any idea how to calculate the gain of the buffer?
  2. dB

    dB Guest


    You need to know the value of impedance in which your 1.58mW output is
    being developed.

    Multiply this value by 0.00158. Take the square root of the result.
    This figure will be the r.m.s. output voltage.

    Divide this by 141 (the r.m.s. value of 400pp). The answer will be
    the voltage gain.
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