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Thread: WinISD question

  1. #1
    Senior Member duaneage's Avatar
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    WinISD question

    How do you get the active filter calculator to work? I keep getting syntax errors no matter what I try. I entered 120 for cutoff and .1 uf under cap ( as it recommended to start with)
    I tried entering different values under the R! R@ and the C! C2 fields but no dice.

  2. #2
    Senior Member duaneage's Avatar
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    Nevermind, determined it was not accepting the value I gave it as being practical. 1 uf was acceptable. Syntax error does not exactly inform you what is wrong with the suggestion but alls well that ends well.

    nice program though, I will send the developers a xmas gift donation for it. I like it alot.

  3. #3
    Administrator Robh3606's Avatar
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    I was just playing with it. Seems you have to put the caps in as 0.1 or you get an error message. Try it and see what happens

    Rob

  4. #4
    Senior Member duaneage's Avatar
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    If your designing low pass it would not work unless I put in 1 or 2 No matter what frequency I tried .1 was persona non grata

    The R value calculated end up being pretty high. Not sure why I can't start out with .1

    I am working my way through their readme file to see if there is a clue, So far I see where he made uf acceptable instead of 10 -6

  5. #5
    Senior Member duaneage's Avatar
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    I foigured it out. It needs 0.1 instead of just .1


    Zeros seem to be revered and respected by WinISD

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