Brief single supply op amp current source – LM358 operational amplifier

Table of Contents

You can set a current through than op amp output and a varying load, by feeding it back to the inverting (-) input and then through a current setting resistor. The voltage at the non inverting (+) input will be the voltage that is set across the current setting resistor.

Brief circuit schematics with short video – List of pages
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Diagram

Simple single supply op amp current source circuit schematic diagram by electronzap electronzapdotcom
Simple single supply op amp current source circuit schematic diagram by electronzap electronzapdotcom

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Video

Quick voltage follower using single supply op amp LM358 operational amplifier

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