The input resistance seen from the V3 node of the current mirror circuit is (Assume all MOSFET are matched, gm is the transconductance)
1
2/gm
2
3/gm
3
1/gm
4
4/gm
The input resistance seen from the V3 node of the current mirror circuit is (Assume all MOSFET are matched, gm is the transconductance)