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Precision rectifier
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<p>The precision rectifier, sometimes called a super diode, is an <a href="/facts/Operational_amplifier/hunKdYb9">operational amplifier</a> (opamp) <a href="/facts/Electrical_network/zt94kTW0">circuit</a> configuration that behaves like an <a href="/facts/Ideal_diode/9qXuDfhH">ideal diode</a> and <a href="/facts/Rectifier/me8XDxND">rectifier</a>. </p><p>The op-amp-based precision rectifier should not be confused with the power MOSFET-based <a href="/facts/Active_rectification/9qXuDfhH">active rectification</a> ideal diode. </p>