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Syntax Errors in using PSPICE models in Cadence Virtuoso

Amir96

Hello,

I'm trying to simulate some of the TI's opamps' PSPICE models in Virtuoso using Spectre. I use ICADVM20.1.

I have read and followed the instructions, (specifically this one: https://community.cadence.com/cadence_blogs_8/b/rf/posts/tip-of-the-week-how-to-simulate-a-subcircuit-netlist-with-spectre-in-ade ),and past discussions in Cadence community about the procedure on importing PSPICE models, and have successfully done that. But, for a few of the PSPICE models (the more complicated ones I would say), when running the simulation, I get numerous syntax errors, a few of which do not even make sense to me. 

For example, the use of {} seems to be unacceptable. Or just a new resistor's model definition gives me errors. Or for example, the "pwr" function seems to be unknown by spectre! Since these PSPICE models are generated by TI, and I'm getting numerous syntax errors, I think there might be something I'm missing somewhere that can enable the simulator to execute the model. Could you please help me on this? Thank you!

  • You would need to adjust the approach taken in that blog, because it's targeted at generic SPICE rather than PSPICE which has additional syntax that is not supported in that approach. The key difference is that in the second block, step 5 (i.e. the final numbered step) you would reference the model file via the PSpice Files section on Setup→Simulation Files rather than using Setup→Model Libraries. 

    Alternatively, you could create a pspice view (via File→New→CellView in the CIW) and paste the model code into there. This will create all the CDF for you (and a symbol if you want it) and then all you need to do is either add pspice into the view list or in the view to use in a config. 

    Regards,

    Andrew

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