DIFFERENTIAL_INPUTS_GIVE_GROUND

Published:2009/7/15 2:53:00 Author:Jessie | From:SeekIC

REFERENCED OUTPUT-Circuit consists of differential-input controlled-current rectifying source A1-A2 and level-shifting voltage-to-current converter A3. Feedback current of appropriate polarity is conducted to output opamp, while other feedback current is absorbed. Possible drawbacks are switching offset and bandwidth limitations common to precision rectifiers. Article gives design equations and theory of operation.-J. Graeme, Measure Differential AC Signals Easily with Precision Rectifiers, EDN Magazine, Jan. 20, 1975, p 45-48.



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