Andrew Beckett
Senior Fellow
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Life, don't talk to me about Life...
Posts: 1742
Bracknell, UK
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I agree entirely with Ken in this specific case, but it is possible to formulate voltage dependent capacitors (preferrably using a charge-based approach) using the "bsource" component in spectre. This is internally implemented in Verilog-A, and allows voltage or current dependencies to be expressed using spectre syntax.
See spectre -h bsource for more details, or look in the documentation.
However, Verilog-A is a good thing to learn and have under your belt - it gives you far more flexibility than bsource does. Ken and Olaf's book The Designer's Guide to Verilog-AMS is a good place to start on this.
Regards,
Andrew.
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