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Design >> Analog Design >> I want to improve my dexterity with both PMOS and NMOS
https://designers-guide.org/forum/YaBB.pl?num=1652763206

Message started by dinesh@beginner on May 16^th, 2022, 9:53pm

Title: I want to improve my dexterity with both PMOS and NMOS
Post by dinesh@beginner on May 16^th, 2022, 9:53pm

Hi ,
I have done designing of two stage opamp and folded cascode opamp etc(Learnt from allen holberg textbook) using nmos stages but I always struggle doing with pmos input stages(considering all the equations for icmr +,icmr- etc change ) . how do I overcome this any material which focuses on both . kindly please elaborate

Title: Re: I want to improve my dexterity with both PMOS and NMOS
Post by Horror Vacui on Jul 26^th, 2022, 4:56am

Designing with a PMOS or with NMOS should be the same process in a CMOS technology. The difference is in the charge mobility, and threshold voltages.