VARIABLE_GAIN_AND_SIGN_OP_AMP_CIRCUIT

Published:2009/7/5 22:15:00 Author:May | From:SeekIC

The gain of the amplifier is smoothly controllable between the limits of +1 to -1.It is adjustable over this range using a single potentiometer. The voltage gain of the arrangement is given by: Where ct represents the fractional rotation of the potentiometer.



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