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How to split device fingers in Virtuoso MODGEN

Nader Fathy

Hello,

I have two devices that I need to treat as differential pair. I want to use MODGEN to split the 32 fingers of each and do inter-digitized pattern. How do I do that?

P.S: converting the device in schmatics to have 1 finger and 32 multipliers changes the simulation results, so this is not really an option.

Any help is appreciated.

Virtuoso version IC6.1.8-64b.500.24

Nader Fathy

  • Nader Fathy

    Okay I figured it out by mistake. It is not very obvious but you need to open Layout XL session and change finger splitting option once per session as in this article below. Then close Layout XL and open MODGEN in schematic view for the selected devices again it will split the fingers for you.

    Article link: support.cadence.com/.../techpubDocViewerPage

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