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Setting Duty Cycle

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Microcontroller › PIC › Setting Duty Cycle

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  • April 10, 2013 at 11:59 am #2257
    Chester Anderson
    Participant

    We tried PWM in PIC in our college today but the duty cycle was varying at irregular intervals, what can be the possible cause?

    April 11, 2013 at 4:38 pm #9465
    AJISH ALFRED
    Participant

    Hi Chester,

    Have you generated pwm using timers? If yes this could be due to the poor performance of your crystal oscillator. Try changing the oscillator, decoupling capacitors. Also check if their value is correct or not?

     

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