Version 4 SHEET 1 880 680 WIRE 80 48 -96 48 WIRE 144 48 80 48 WIRE 192 48 144 48 WIRE 384 48 288 48 WIRE 80 80 80 48 WIRE 384 144 384 48 WIRE -96 176 -96 48 WIRE 80 176 80 160 WIRE 208 176 208 96 WIRE 208 176 80 176 WIRE 80 192 80 176 WIRE -96 464 -96 256 WIRE 80 464 80 256 WIRE 80 464 -96 464 WIRE 384 464 384 224 WIRE 384 464 80 464 WIRE 80 512 80 464 FLAG 80 512 0 FLAG 384 48 out FLAG 144 48 in SYMBOL res 64 64 R0 SYMATTR InstName R1 SYMATTR Value 1000k SYMBOL res 368 128 R0 SYMATTR InstName R2 SYMATTR Value 10R SYMBOL LED 64 192 R0 SYMATTR InstName D1 SYMATTR Value NSSWS108T SYMATTR Description Diode SYMATTR Type diode SYMBOL voltage -96 160 R0 WINDOW 3 -125 -146 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value PULSE(0 5 1 1 1 1 5 1) SYMBOL pmos 288 96 M270 SYMATTR InstName M2 SYMATTR Value IRF7404 TEXT -192 498 Left 2 !.tran 5