Generate sawtooth with PIC?

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  1. - 17th August 2010, 18:36 #1
    gmglickman's Avatar
    gmglickman
    gmglickman is offline Junior Member
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    Alain,

    Interesting idea. Do you mean using another pin to sink the filtered output after reaching the maximum voltage? I'll have to try that to see how it sharpens the drop.

    Timmers,

    Because I know even less about analog circuits than digital ones. You know: "when the only tool you have is a hammer, everything looks like a nail."
  2. - 17th August 2010, 18:40 #2
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    Acetronics2
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    Quote Originally Posted by gmglickman View Post
    Alain,

    Interesting idea. Do you mean using another pin to sink the filtered output after reaching the maximum voltage? I'll have to try that to see how it sharpens the drop.
    Exactly GmG ...

    even use a small mosfet to get a sharper edge ... ( BS170 or 2N7000 )

    Alain
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