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Diode Limiters


Muhammad Hassan

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Hi Muhammad,
Welcome to our forum. ;D


1-What is the difference between Diode Limiters and Rectifiers?

A diode limiter is usually two small diodes back-to-back to limit both the positive-going and the negative-going part of the waveform.
A rectifier is usually larger than a small signal diode to handle high current and is connected to pass DC in a single direction as a rectifier. A rectifier is too slow to perform well as an audio diode limiter.

2-What is the difference between Diode Limiters and Diode Clippers?

A diode limiter usually has two back-to-back diodes in the negative feedback loop of an opamp to perform "soft limiting".
A diode clipper usually is two back-to-back diodes to ground being fed audio through a resistor, for "hard clipping".
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