Andrew Beckett
Senior Fellow
Offline
Life, don't talk to me about Life...
Posts: 1742
Bracknell, UK
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The example is not a particularly great one because it's inconsistent. The database is from the SpectreRF workshop which is in <SPECTREinstDir>/tools/spectre/examples/SpectreRF_workshop/rfworkshop.tar.Z and looking at the CDF for this component, it seems that most of the parameters are not used - it's only the length, the multiplier, and the number of fingers that are netlisted for these RF transistors. The width is defined in the model as 1.5u. The other parameters which are displayed in the edit properties form are not consistent - there are no callbacks to compute them.
So don't get too hung up on this specific example - it's not intended to be a real life PDK - it's an example which has been adapted a few times and is not representative of a real-life design kit.
Regards,
Andrew.
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