Version 4 SHEET 1 1404 816 WIRE 848 144 272 144 WIRE 272 192 272 144 WIRE 272 224 272 192 WIRE 848 256 848 144 WIRE 224 304 32 304 WIRE 32 352 32 304 WIRE 272 416 272 320 WIRE 32 464 32 432 WIRE 272 464 272 416 WIRE 272 464 32 464 WIRE 848 464 848 336 WIRE 848 464 272 464 WIRE 272 480 272 464 FLAG 272 192 C FLAG 272 416 E FLAG 272 480 0 SYMBOL voltage 848 240 R0 SYMATTR InstName VDS SYMATTR Value 5V SYMBOL nmos 224 224 R0 SYMATTR InstName M1 SYMATTR Value nmos_enhancement_mosfet L=10u W=400u SYMBOL voltage 32 336 R0 SYMATTR InstName VGS SYMATTR Value 3V TEXT 352 640 Left 2 !.DC VGS 0V 10V 100mV TEXT -24 528 Left 2 !.model nmos_enhancement_mosfet nmos (kp=20u Vto=+2V lambda={lambda_variable}) TEXT -64 568 Left 2 !.STEP param lambda_variable 0 0.05 0.01; * vary lambda_variable from 0 to 0.05 in increments of 0.01