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Simulators >> Circuit Simulators >> How to supeimpose 2 plots in Cadence Waveform
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Message started by eng on Apr 17^th, 2007, 1:04pm

Title: How to supeimpose 2 plots in Cadence Waveform
Post by eng on Apr 17^th, 2007, 1:04pm

Hi
I have 2 curves (dominant pole, phase margin) generated in Cadence Waveform after an AC anaylsis. They have different Y-Axis scales. I'd like to superimpose these 2 curves in a plot such that one uses right Y-Axis, the other one uses left Y-Axis. (I'm dragging them from different subwindows to a new subwindow the arragement should be done after that)

Could anyone tell me how to do that?

Thanks

Title: Re: How to supeimpose 2 plots in Cadence Waveform
Post by ywguo on Apr 17^th, 2007, 9:09pm

Hi, eng,

If the two variables have the same x-axis, of course they can be plotted in one window.

Yawei

Title: Re: How to supeimpose 2 plots in Cadence Waveform
Post by Geoffrey_Coram on Apr 18^th, 2007, 3:50am

Yawei -
I know I've done "append" to put a second curve on with a first, when they share an X axis, but I think by default they share the Y axis as well. eng wanted to assign one curve to use the right edge of the plot for its Y axis. Is there an options menu to set this up?

Title: Re: How to supeimpose 2 plots in Cadence Waveform
Post by ACWWong on Apr 18^th, 2007, 4:40am

eng,
you can do what you want in both wavescan or awv in Cadence:

in wavescan:
having moved the two curves you want into a window, select one of them, then Trace->Assign to Axis->New Axis.
Haveing done this any subsequent waveforms added to that window can be assign to either a new or existing y axis in the same way.

in awv
simply double click the curve and in the dialog box which pops up you can change the Assign to Y axis setting

cheers
aw