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Optimizing a model parameter

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Hi all,

I'am new to Orcad Capture and Pspice (v16-6).

My problem is that I would like to optimize the parameters of some models (i.e. of the standard diode model or of a standard level 1 mosfet) with the Standard or Curve fit Optimizer.

I tried in different ways with no success. I have no problem in running optimizations (both with Standard or Curve fit Optimizer) where i try to optimize for instance the value of standard resistors or capacitors but when I want to optimize some models parameters I don't know how to proceed.

For instance I would like to optimize the Rs parameter of a diode D in order to fit a measured I/V characteristic but I 'm not able to import this model parameter in the "Parameters" list in the Pspice Advanced Analysis Optimizer.

It is possible to do this kind of optimization in Capture/Pspice ? I read a lot the help but with no answer.

Thank you very much!

Best regards.

 Dan


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