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saving operating points

Charanraj Mohan

Hi,

I am writing something like this below,

'save M0,M1:all'

in the file saveop.scs and loading this in the model libraries setting of the ADE and getting the dc operating points in the simulation.

It worked well in AMS 0.35um, UMC 130nm, but not in ST 130nm :-(

Do you have an alternate way to this easier like above or to tackle this ??

I am using IC 6.1.6 130 version.


Thanks in advance.

Parents
  • Thanks Andrew.

    Firstly am sorry for pinging you during vacation.

    I understand your comments. I completely agree with your suspection of the model to have a sub-circuit inside it. I can see the subcircuit clearly in the model file .scs inside the FDK directory. I tried 'save: M0.subcircuit_name:gm', but it did not work. Is this format ok ?

    I can clearly see that the model name mentioned in the pMOS in schematic do not match with the model name in the .scs file in the FDK directory. Instead, it is the subcircuit name there. Will this be a cause of not accepting the saveop.scs file ?

    thanks
Reply
  • Thanks Andrew.

    Firstly am sorry for pinging you during vacation.

    I understand your comments. I completely agree with your suspection of the model to have a sub-circuit inside it. I can see the subcircuit clearly in the model file .scs inside the FDK directory. I tried 'save: M0.subcircuit_name:gm', but it did not work. Is this format ok ?

    I can clearly see that the model name mentioned in the pMOS in schematic do not match with the model name in the .scs file in the FDK directory. Instead, it is the subcircuit name there. Will this be a cause of not accepting the saveop.scs file ?

    thanks
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