Sep 21, 2015 #1 M Mohammed Abrar Junior Member level 1 Joined Sep 6, 2015 Messages 15 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 103 I tried calculating the output resistance of both the cases but got both of them wrong. For the left one: Since it is a common source amplifier: (1+gm*r0)rs+r0 gm= gm1 r0= (1/Gm3||ro3||ro1) rs= ro2 Can anyone tell me where exactly am I going wrong
I tried calculating the output resistance of both the cases but got both of them wrong. For the left one: Since it is a common source amplifier: (1+gm*r0)rs+r0 gm= gm1 r0= (1/Gm3||ro3||ro1) rs= ro2 Can anyone tell me where exactly am I going wrong
Oct 2, 2015 #2 Tahmid Advanced Member level 6 Joined Jun 17, 2008 Messages 4,756 Helped 1,798 Reputation 3,588 Reaction score 1,656 Trophy points 1,413 Location Berkeley, California Activity points 30,586 Note that M3 is diode-connected so that it's effectively a resistance. M1 is configured to be a common source amp, but M2 is configured to be a common gate amp.
Note that M3 is diode-connected so that it's effectively a resistance. M1 is configured to be a common source amp, but M2 is configured to be a common gate amp.