promach
Advanced Member level 4
May I know if the following transconductance measurement test circuit is correct ?
I suspect that I need to use some derivative function because changing the mosfets width by a large factor does not change the gm result much at all.
However, my test circuit is simulated in AC, not DC, therefore I really confuse if I should use derivative function or not ?
Note: X1 is a CMOS inverter
I suspect that I need to use some derivative function because changing the mosfets width by a large factor does not change the gm result much at all.
However, my test circuit is simulated in AC, not DC, therefore I really confuse if I should use derivative function or not ?
Note: X1 is a CMOS inverter