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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

  • In the "Operating Points" field, there's a "..." button - did you press that? If you did, did you try the "get from simulation" button - and if so, did the list of operating points (including gm) appear? 

    Also, if you look in the results browser, is there any sign of the M0:gm result?  

    I suspect the models have hierarchy underneath, as I said. You'd have to look at the model files to know that though. If this happens the top step (using the "get from simulation" probably wouldn't work), and you'd need to use an include file with:

    save M0.Mint:gm // where Mint is whatever name the MOS device has within the subckt model

    Regards,

    Andrew.

Reply

  • In the "Operating Points" field, there's a "..." button - did you press that? If you did, did you try the "get from simulation" button - and if so, did the list of operating points (including gm) appear? 

    Also, if you look in the results browser, is there any sign of the M0:gm result?  

    I suspect the models have hierarchy underneath, as I said. You'd have to look at the model files to know that though. If this happens the top step (using the "get from simulation" probably wouldn't work), and you'd need to use an include file with:

    save M0.Mint:gm // where Mint is whatever name the MOS device has within the subckt model

    Regards,

    Andrew.

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