Circuit: PRECISION FULLWAVE RECTIFIER__ Circuit designed by David A. Johnson, P.E.

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Last Updated on: Saturday, December 23, 2017 02:27 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 Drawing Below to view PDF version of Schematic