Pulse Width Modulators using LM339


Pulse Width Modulators using LM339
Pulse Width Modulators using LM339

The first example uses the standard op-amp oscillator circuit to generate a triangular waveform which is level-shifted and fed to a comparator (e.g. LM339) to give the PWM waveform. Most people will want to use two comparators rather than one op-amp and one comparator so that is what we show here.

Read More Source:

http://www.4qdtec.com/pwmmod.html

Thank you.


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