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Compressed Smith chart

Hi,

Can anyone tell me if it is possible to change the limits of the compressed smith chart? It seems to be fixed at -0.5 and -2 real circles and doesn't autosize.

Thanks!

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Re: Compressed Smith chart

What are you plotting?  The compressed view has pretty large limits.  Are you sure you want to plot whatever you are plotting on a Smith chart, and not a Polar graph?

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Re: Compressed Smith chart

I am plotting the gamma for an oscillator design. Thus the absolute value of gamma at the oscillating frequency is pretty large and goes beyond the chart. I want to be able to see the frequency behavior.

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Re: Compressed Smith chart

Just use a polar graph, they're arbitrarily scalable.  Then right-click > Graph Properties... > Markers tab, and you can choose how cursor/marker values are displayed on it.  For oscillators, I usually plot magnitude (in dB, if it varies a lot) and angle of gamma on opposite axes of a rectangular graph.

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