Need some help in PWM circuit

Discussion in 'General Electronics Chat' started by dinhkhanh, May 9, 2011.

  1. dinhkhanh

    Thread Starter New Member

    May 3, 2011
    1
    0
    I need your help. I 'm trying to simulate simple Pwm circuit , but it does'nt work. Please explain how it work to me. Thanks
    I send my circuit below.(sorry but how could i attach my file...i tried but there is nothing).
    I use :
    + Sawtooth in "+" input
    + Sine wave in "-" input ..
    and op amp MC3303D.
     
  2. danforth

    Member

    May 8, 2011
    22
    0
  3. Wendy

    Moderator

    Mar 24, 2008
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