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Use of DC operating point parameters in calculations and plots

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Hi all,

I run a DC sweep simulation on ADE and I would like to plot some of the DC operating point parameters of my schematic (such as vdsat of the transistors, ...)
Moreover, I would like to use these parameters in the calculator in order to make calculations (e.g.: use of vdsat in some calculations).

Does anyone have any idea?

Thks for considering my request.

AXP


Originally posted in cdnusers.org by axp
  • Andrew Beckett
    selectResults('dcOpInfo)

    availableDevices=outputs()

    Can also do:

    dataTypes() => list of device types
    outputParams("bsim4") => list of outputs from a bsim4 (assuming that's one of the devices listed in dataTypes() outputs).
    outputs(?type "bsim4") => list all the bsim4 devices

    So can do:

    foreach(mos outputs(?type "bsim4")
      printf("%s gm is %g\n" mos pv(mos "gm"))
    )

    Regards,
    Andrew.
  • Pawanshekar
    Hello Iam using cadence virtuoso 6.16.-64b. But this method is not working for me. I would like to implement gm/id technique and I need to see how gm varies with respect to sweeping VGS as a part of my implementation. I really need help regarding this and thank you in advance.
  • Andrew Beckett

    Which subversion of IC616 are you using? In later IC616 versions there is an Output->To be Saved->Select OP Parameters UI which makes this easier.

    If that's not there, what have you tried, and what "is not working"? Hard to give you a suggestion unless you describe what you've tried and what does not work.

    Andrew.

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