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Will Eagleware's Genesys graph in rectangular form in the linear simulator??

Discussion in 'Electronic Design' started by billcalley, Jun 3, 2007.

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  1. billcalley

    billcalley Guest

    Hi All,

    I use to be able to graph complex impedances in rectangular form on
    the Smith chart in Genesys, but now it only seems to want to display
    them in polar coordinates. Any thoughts?


  2. Joel Kolstad

    Joel Kolstad Guest

    Hmm? A Smith chart is a polar plot (of reflection coefficient or whatever).
    Are you saying you have an impedance that you're like to plot on a Smith
    chart? In that case the simplest thing is to probably covert your
    impedances to reflection coefficients ( (Zl-R0)/(Zl+R0), where R0 is your
    reference resistance) and tell Genesys to plot that. You can do this in the
    "equations" window on a single line by creating a new variable equal to the
    preceding formula, substituting the name of your dataset for Zl.

  3. billcalley

    billcalley Guest

    Thanks Joel -- much appreciated. (It's easier for me to view R-/+J
    than polar).

    Best Regards,

  4. Joel Kolstad

    Joel Kolstad Guest

    Perhaps you'd prefer to just graph R+jX using a pair of rectangular graphs
    instead of a Smith chart?

    Let me know if you can't get this working... I'm back at work now and the
    software is here...
  5. billcalley

    billcalley Guest

    Thanks Joel; that would be really perfect for me if I could plot R+jX
    using the rectangular graphs!

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