How do folks achieve 8 bit hpwm at low hpwm frequency?

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  1. - 23rd October 2011, 12:44 #1
    HankMcSpank's Avatar
    HankMcSpank
    HankMcSpank is offline Senior Member
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    Default Re: How do folks achieve 8 bit hpwm at low hpwm frequency?

    Henrik,

    Excellent input .....I'm normally fixated on squeezing the highest frequency out of HPWM to put it above hearing range, but with this circuit this doesn't matter ...and I guess I missed the obvious in the calculator... 976Hz ought to be fine!

    You've likely saved the day!
  2. - 23rd October 2011, 12:53 #2
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    HankMcSpank
    HankMcSpank is offline Senior Member
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    Default Re: How do folks achieve 8 bit hpwm at low hpwm frequency?

    here's the 2nd fet gate voltage now...



    Not entirely straight leading edge, but the CR slope is to all intents and purposes is all but eradicated - and it's certainly good enough for Hank!

    Thanks Henrik!
    Last edited by HankMcSpank; - 23rd October 2011 at 12:55.
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