PWM using LM339 Circuit Diagram

This is simple IC based PWM using LM339 Circuit Diagram. PWM or Pulse Width Modulators using LM339 is an Electronic circuit.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.

 PWM using LM339 Circuit Diagram


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