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Operaing point regions Guide

fighter84 over 12 years ago

Hi,

where can i fin a table with the operaing point regions of mosfets and bjts in ADE?

From the help i found region 2-->saturation for mosfet and region 3--> saturation for bjt

but i can't find a completely guide.

Can you help me? Thanks

berndfi over 12 years ago

You simply could do form command line

spectre –h <component> e.g bsim3v3

and search for the region parameter.

For the MOS bsim3v3 models it is

region=triode

Estimated operating region. Spectre outputs number (0-4) in a rawfile.

Possible values are off, triode, sat, subth, and breakdown.

Bernd
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fighter84 over 12 years ago

Sorry,
i need to understand spectre output numbers for bjt and mosfets.
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Andrew Beckett over 12 years ago

Bernd told you precisely how to do this. First find out what model your bjts and mosfets are using - if it was "bjt" then you'd do "spectre -h bjt". If the bjt was using "vbic", you'd do "spectre -h vbic" and so on (similar for the mosfets). You can see the available models using "spectre -h".
Regards,
Andrew.
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