holddreams
Full Member level 6
input resistance comparator
I use a folded cascode opamp with a nmos open drain output to realize a comparator ,and run an open-loop simulation ,
in the .lis file ,the input resistance is negative,why?
Anyone has encountered such problems?
I use a folded cascode opamp with a nmos open drain output to realize a comparator ,and run an open-loop simulation ,
in the .lis file ,the input resistance is negative,why?
Anyone has encountered such problems?