gm/id versus Id/w plotting in cadence

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rishabh_31ec

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hi, I am using TSMC0.18 in cadence mixed signal design domain for designing of opamp. I am able to plot gm/Id versus Vgs and Id/W versus Vgs curve. but I wanna plot gm/Id versus Id/W in Cadence. What is the exact circuit to plot this ?
 

Hi rishabh

Please read the attached pdf file you will know how to do it
 

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