VARIABLE_GAIN_DIFFERENTIAL

Published:2009/7/15 20:30:00 Author:Jessie | From:SeekIC

R1 controls gain. High dynamic impedance of constant-current source gives differential amplifier Q1-Q2 high common-mode rejection ratio.-G. Beene, Variable Resistor Controls Differential Amplifier Gain, Electronics, 37:29, p74.



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