Connections

Connect Gate to SMU1, Sources to SMU2,

Drain to SMU3 and Body to SMU4

Bias

SMU1 :

V Mode, VarA, 0V-5V, 100mV step

SMU2 :

V Mode, Constant, 0V

SMU3 :

V Mode, Const, 50mV

SMU4 :

V Mode, VarB, 0V ~ -2V, 500mV step

gm = delta(ID) / delta(VG)

 Graph

Xaxis -> VD, Y1 axis -> ID, Y2 axis -> gm