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Is it possible to save the rational model of the S-parameter block?

Aldo2

Hello,

I'm doing a parametric AC simulation (mmsim 11.1). I need a lot of steps, but the single simulations are fast.

When I add an S-parameter block the parametric simulations slows down because a rational fitting process is required at each simulation step ("Starting rational fitting process." message appears in the output log form).

Is it possible to save the rational model of the S-parameter block? I would like spectre could calculate the rational model only at the beginning of the sweep and then use it on the following sweep steps.

Thank you

Best regards

Aldo

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