Full-wave rectifier circuit



This absolute value circuit can turn alternating current (AC) signals to single polarity signals. This circuit functions with limited distortion for ±10-V input signals at frequencies up to 50kHz and for signals as small as ±25mV at frequencies up to 1kHz.
  • 30V Split supply with ground reference 
  • Input: +/-25mV to +/-10V 
  • Output: 25mV to 10V
General-purpose op amps
TLV172 Single, 36-V, 10-MHz, low-power operational amplifier for cost-sensitive applications
Precision op amps (Vos<1mV)
OPA197 Single, 36-V, precision, rail-to-rail input output, low offset voltage op amp
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Technical documentation

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Type Title Date
* Circuit design Full-wave rectifier circuit (Rev. A) 01 Feb 2019
E-book Analog Engineer’s Circuit Cookbook: Amplifiers (Rev. C) 18 Dec 2023
E-book Analog Engineer’s Circuit Cookbook: Amplifiers (Rev. B) 05 Oct 2022
Circuit design Single-supply, low-input voltage, full-wave rectifier circuit (Rev. A) 01 Feb 2019
User guide Precision Full-Wave Rectifier, Dual Supply Design Guide 08 Jan 2014
User guide Single-Supply Low-Input Voltage-Optimized Precision Rectifier Design Guide 17 Jul 2013

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