Version 4 SHEET 1 4232 1996 WIRE 2352 -32 2336 -32 WIRE 2688 -32 2640 -32 WIRE 2944 -32 2688 -32 WIRE 3040 -32 2944 -32 WIRE 3040 -16 3040 -32 WIRE 2352 64 2224 64 WIRE 2688 64 2688 -32 WIRE 2688 64 2640 64 WIRE 2944 80 2944 -32 WIRE 3040 80 3040 64 WIRE 2224 96 2224 64 WIRE 2352 160 2336 160 WIRE 2896 160 2640 160 WIRE 2224 208 2224 176 WIRE 2944 240 2944 176 WIRE 3104 240 2944 240 WIRE 3232 240 3104 240 WIRE 2352 256 2304 256 WIRE 2672 256 2640 256 WIRE 2720 256 2672 256 WIRE 2832 256 2800 256 WIRE 3104 256 3104 240 WIRE 3232 256 3232 240 WIRE 2672 272 2672 256 WIRE 2832 272 2832 256 WIRE 2944 272 2944 240 WIRE 2672 352 2672 336 WIRE 2832 352 2832 336 WIRE 3104 352 3104 320 WIRE 3232 352 3232 336 WIRE 2304 384 2304 256 WIRE 2944 384 2944 352 WIRE 2944 384 2304 384 WIRE 2944 400 2944 384 WIRE 2944 496 2944 480 FLAG 3104 352 0 FLAG 2944 496 0 FLAG 3232 352 0 FLAG 3040 80 0 FLAG 2832 352 0 FLAG 2672 352 0 FLAG 2336 -32 0 FLAG 2224 208 0 FLAG 2336 160 0 FLAG 3232 240 OUT SYMBOL nmos 2896 80 R0 SYMATTR InstName M3 SYMATTR Value IRFZ24 SYMBOL current 3232 256 R0 WINDOW 123 0 0 Left 2 WINDOW 39 39 40 Left 2 SYMATTR SpiceLine load SYMATTR InstName I2 SYMATTR Value PULSE(.2 5 300u 100n 100n 300u 600u) SYMBOL cap 3088 256 R0 SYMATTR InstName C1 SYMATTR Value 24µ SYMBOL res 2928 256 R0 SYMATTR InstName R1 SYMATTR Value 1.727K SYMBOL res 2928 384 R0 SYMATTR InstName R2 SYMATTR Value 1K SYMBOL voltage 3040 -32 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL cap 2656 272 R0 SYMATTR InstName C2 SYMATTR Value 10p SYMBOL res 2704 272 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 7.5K SYMBOL cap 2816 272 R0 SYMATTR InstName C3 SYMATTR Value 1000p SYMBOL voltage 2224 80 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 12 SYMBOL LT1575 2496 112 R0 SYMATTR InstName U1 TEXT 3248 424 Left 2 !.tran 1m