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Last Updated on: Tuesday, June 01, 2021 03:06 PM

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PRECISION FULLWAVE RECTIFIER


I have used this handy circuit many times.  It accurately converts an AC signal into pulsing DC, which can be filtered to provide an average of the input voltage.  It works from millivolts to volts.  The circuit shown requires a stable +5v reference if a single power supply is used.

Click on Circuit Below to view PDF of Schematic

Precision Full Wave Rectifier designed by Dave Johnson, P.E. (Feb 12, 2002)

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