Brief Schmitt trigger LM358 op amp comparator circuit

Table of Contents

Schmitt triggers help prevent a wavering signal voltage from causing a rapid repeated high/low triggering at a single voltage.

Diagram

Simple op amp schmitt trigger non inverting comparator with hysteresis circuit schematic diagram by electronzap electronzapdotcom
Simple op amp schmitt trigger non inverting comparator with hysteresis circuit schematic diagram by electronzap electronzapdotcom
Schmitt trigger hysteresis graph diagram by Electronzap Electronzapdotcom
Schmitt trigger hysteresis graph diagram by Electronzap Electronzapdotcom
  • When + input is high enough above – input then output will be high.
  • + input is low enough below – input then the output is low.
  • There is a middle ground voltage (hysteresis) where the output is either high or low based on what the output was last put into.

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Video

Quick Schmitt trigger LM358 op amp non inverting comparator circuit by electronzap

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      • Information on this site is not guaranteed to be accurate. Always consult the manufacturer info/datasheet of parts you use. Research the proper safety precautions for everything you do.