How can I plot gm vs (Vgs-vth) in virtuoso ?

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MahmoudHassan

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Hello All,
How can I plot gm vs (Vgs-vth) in virtuoso?
using
1- ADE only
2- Spectre commandline in unix

Best Regards,
Mahmoud
 

Hi, with ADE, you can use the calculator (tools->calculator) and add Vgs-Vth as value to save.
Then add gm = ids/vds, also with calculator.
After somulation, in plot window, choose Y vs Y, that's it.

No idea in command line, but feasible, because spice can do it.
Regards
 

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