PWM Detector Using Integrator

Discussion in 'The Projects Forum' started by vinodquilon, Mar 19, 2010.

  1. vinodquilon

    Thread Starter Member

    Dec 24, 2009
    234
    1
    How can I demodulate a PWM (Pulse Width Modulation) signal using an Integrator ?
     
  2. Audioguru

    AAC Fanatic!

    Dec 20, 2007
    9,416
    902
    Yes you can.
     
  3. Bernard

    AAC Fanatic!

    Aug 7, 2008
    4,531
    476
    This is part of over current protection of two PWM controlled 250W motors, integrating PWM signal to provide low ripple ~DC signal to comrarator.
     
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