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Signal names in Print DC Operating Points

HassanSyed

Hi, 

I run a DC sweep over a simple NMOS. I can print the DC Operating Points in the Results Display Window. My question is how to know that what 'signal value' in RDW actually is ? (the names of the signal values). For e.g. (is 'u' - the charge carrier effect mobility ? ).  I need the mapping of symbols to names so that I can then include the symbol names in my model file to capture them..

 

Thanks,

Syed 

  • Syed,

    My guess is that the device you have is a PSP model (psp102 maybe?) or some other model implemented by NXP. If you identify the kind of device it is, and then use "spectre -h psp102" or whatever, and then look down until you get to the "Operating Point Parameters" section, you'll see a description of what each operating point parameter is. For example for psp102:

     81      u                 Transistor gain.

    It's the same for psp103 too - plus other NXP models such as mos902 and so on. The same information can also be found in the spectre documentation in <MMSIMinstDir>/tools/bin/cdnshelp .

    Regards,

    Andrew.

  • Thanks Andrew for the quick response.

     I can see all descriptions for model parameters in PSP102 now, :)

    Kind Regards,

     

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