Version 4 SHEET 1 880 680 WIRE 384 112 128 112 WIRE 384 144 384 112 WIRE 288 224 240 224 WIRE 336 224 288 224 WIRE 128 288 128 112 WIRE 288 304 240 304 WIRE 384 304 384 240 WIRE 384 304 288 304 WIRE 464 304 384 304 WIRE 592 304 464 304 WIRE 384 352 384 304 WIRE 464 352 464 304 WIRE 128 464 128 368 WIRE 320 464 128 464 WIRE 384 464 384 432 WIRE 384 464 320 464 WIRE 464 464 464 416 WIRE 464 464 384 464 WIRE 576 464 464 464 WIRE 320 512 320 464 FLAG 320 512 0 FLAG 592 304 outNMOS IOPIN 592 304 Out FLAG 240 224 inputn IOPIN 240 224 In SYMBOL Misc/EuropeanResistor 368 336 R0 SYMATTR InstName R1 SYMATTR Value 12 SYMBOL Misc/EuropeanPolcap 448 352 R0 SYMATTR InstName C1 SYMATTR Value 500µ SYMBOL nmos 336 144 R0 WINDOW 3 56 72 Left 1 SYMATTR InstName M1 SYMATTR Value IRF6644 SYMBOL voltage 240 208 R0 WINDOW 3 -107 -136 Left 1 WINDOW 0 -9 56 Left 2 SYMATTR Value PULSE(0 10 0.1 0.001 0.001 0.2 0.25) SYMATTR InstName V1 SYMBOL Misc/EuropeanResistor 272 208 R0 SYMATTR InstName R2 SYMATTR Value 100k SYMBOL voltage 128 272 R0 SYMATTR InstName V2 SYMATTR Value 20 TEXT 128 16 Left 2 !.dc V1 -20 20 0.1