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Re: SPICE models and library symbols


> On Aug 13, 2018, at 9:59 AM, Nhat Khai <nhatkhai@xxxxxxxxx> wrote:
> I may be wrong, but I feel embedded spice model with symbol library or .sch file may be a wrong way. Instead treat spice model like footprint (using spice syntax .cir file directly event better) to allow user directly modify parameters passed into SUBCKT from GUI dialog like current Simulation GUI right now. But if it done it right, I think it give user much more flexibility, and more dynamic spice dialog that can covert all type of model without adding more coding for KiCad. For example, read the "SUBCKT", and allow user to change the value of parameters passed in of SUBCKT.

“Treat spice model like footprint.”

And that’s why the model callout _should_ be embedded in the library symbol.

If I place OPA1652AID onto my schematic, I want it to pull in the SOIC-8 footprint. CvPCB is to be avoided. For the same reason, why should I need to specify the SPICE model after placing a generic op-amp symbol on the board, when I can place an OPA1652 symbol and have it already know what model to use?


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