Version 4
SHEET 1 960 680
WIRE 176 -208 64 -208
WIRE 176 -160 176 -208
WIRE 176 -48 176 -80
WIRE 64 -32 64 -208
WIRE 64 96 64 48
WIRE 64 112 64 96
WIRE 128 144 64 144
WIRE 128 160 128 144
WIRE 16 176 -96 176
WIRE -96 192 -96 176
WIRE -96 288 -96 272
WIRE 64 288 64 192
WIRE 64 288 -96 288
WIRE 64 304 64 288
FLAG 176 -48 0
FLAG 64 304 0
FLAG 128 160 0
SYMBOL nmos4 16 96 R0
WINDOW 3 184 72 Left 2
SYMATTR InstName M1
SYMATTR Value mynmos
SYMBOL res 48 -48 R0
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL voltage 176 -176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 4
SYMBOL voltage -96 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 2.75
TEXT 176 216 Left 2 !.model mynmos nmos LEVEL=1 L=1 W=50 KP=20u VTO=1)
TEXT 176 256 Left 2 !.op