Version 4
SHEET 1 880 680
WIRE 304 -64 240 -64
WIRE 304 -16 304 -64
WIRE 304 128 304 64
WIRE 304 128 288 128
WIRE 240 144 240 -64
WIRE 240 144 208 144
WIRE 240 192 240 144
WIRE 240 192 208 192
WIRE 160 224 16 224
WIRE 16 256 16 224
WIRE 208 272 208 240
WIRE 16 352 16 336
WIRE 208 400 208 352
FLAG 16 352 0
FLAG 208 400 0
FLAG 304 128 0
FLAG 240 144 vs
SYMBOL voltage 16 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 1
SYMBOL voltage 304 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 4.4
SYMBOL res 192 256 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL pmos4 160 144 R0
WINDOW 0 78 32 Left 2
WINDOW 3 87 75 Left 2
SYMATTR InstName M1
SYMATTR Value2 l=1 w=9
TEXT -16 424 Left 2 !.op