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Error "Unsupported tolerance specification" while referencing a pspice level 2 transistor model

Jonas Buehler

Hi all,

I am trying to create a simulation with Spectre 20.1.0.534 which contains a PSPICE model of a discrete transistor. This transistor model (level=2) contains tolerance parameters like lot/4/uniform=. When I try to reference this model with pspice_include, the error "Unsupported tolerance specification" is raised. Is there any workaround to get models with such tolerance parameters running?

Thank you in advance!

Regards,

Jonas

  • Jonas,

    Can you point me at a public location with the model in question for the discrete device? Or share just a small portion of the mode with the lot/4/uniform= statement (I'm not familiar with that syntax). Normal statements like this:

    .MODEL RTRACK RES (R=1 DEV/GAUSS 1% LOT/UNIFORM 5%)

    just generate a warning (I'm assuming you're including the model using pspice_include ?)

    Andrew

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