plot the slope

Discussion in 'Cadence' started by kallel.firas, Oct 15, 2007.

  1. kallel.firas

    kallel.firas Guest

    Hello,

    I would to know how to plot the slope of the Kvco curve with the
    Calculator of the Cadence Analog Environment

    thanks.

    Firas.
     
    kallel.firas, Oct 15, 2007
    #1
  2. kallel.firas

    Andrew Beckett Guest

    If you run PSS on an oscillator, you can get the fundamental frequency from the
    Results->Direct Plot->Main Form form, under pss, then fundamental frequency (or
    harmonic frequency - I forget (I'm offline)). Then pick the first harmonic.

    If you do this having done a sweep (e.g. of the control voltage) in the PSS,
    you'll get a curve of output frequency versus control voltage.

    By hitting the add to outputs, you can then double click on the expression in
    the output pane in ADE, and find the corresponding calculator expression.

    Regards,

    Andrew.
     
    Andrew Beckett, Nov 15, 2007
    #2
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