Version 4 SHEET 1 2216 816 WIRE 1920 0 1696 0 WIRE 2128 0 2000 0 WIRE 1696 128 1696 0 WIRE 1696 128 1120 128 WIRE 1920 128 1696 128 WIRE 2128 128 2128 0 WIRE 2128 128 2000 128 WIRE 1120 176 1120 128 WIRE 1120 208 1120 176 WIRE 1696 240 1696 128 WIRE 2128 240 2128 128 WIRE 1040 288 880 288 WIRE 1072 288 1040 288 WIRE 880 336 880 288 WIRE 880 448 880 416 WIRE 1120 448 1120 304 WIRE 1120 448 880 448 WIRE 1696 448 1696 320 WIRE 1696 448 1120 448 WIRE 2128 448 2128 320 WIRE 2128 448 1696 448 WIRE 1120 464 1120 448 FLAG 1120 176 D FLAG 1120 464 0 FLAG 1040 288 G SYMBOL voltage 1696 224 R0 SYMATTR InstName VDS SYMATTR Value 0V SYMBOL nmos 1072 208 R0 SYMATTR InstName M1 SYMATTR Value nmos_enhancement_mosfet L=10u W=10u SYMBOL voltage 880 320 R0 SYMATTR InstName VGS SYMATTR Value 0V SYMBOL res 2016 112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1.33k SYMBOL voltage 2128 224 R0 SYMATTR InstName VDD SYMATTR Value 20V SYMBOL res 2016 -16 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 1.78k TEXT 1304 568 Left 2 !.DC VDS 0 20V 100mV VGS 4V 6V 500mV TEXT 1120 512 Left 2 !.model nmos_enhancement_mosfet nmos (kp=2m Vto=+2V lambda=0.01)