Schmitt trigger zero crossing detector

Posted on Feb 27, 2013

This circuit has a 100 mV hysteresis which can be used in applications where very fast transition times are required at the output even though the signal is very slow. The hysteresis loop also reduces false triggering due to noise on the input

Schmitt trigger zero crossing detector
Click here to download the full size of the above Circuit.

The waveforms show the trip points developed by the hysteresis loop.

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