Precision Full-Wave Rectifier – Dual-Supply

Precision Full-Wave Rectifier – Dual-Supply

This is a dual-supply precision full-wave rectifier board that can turn alternating current (AC) signals into single polarity signals. The OPAMPs, U1A, and U1B, buffer the input signal and compensate for the voltage drops across D1 and D2 allowing for small signal inputs. This implementation functions with limited distortion for 20Vpp input signals at frequencies up to 50 kHz and for signals as small as 50 mVpp at frequencies up to 1kHz. The circuit can be used in applications that need to quantify the absolute value of input signals which have both positive and negative polarities.

Precision Full-Wave Rectifier – Dual-Supply – [Link]

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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