Version 4 SHEET 1 960 680 WIRE -416 352 -416 16 WIRE -416 464 -416 432 WIRE -368 16 -416 16 WIRE -256 352 -256 256 WIRE -256 464 -256 432 WIRE -192 256 -256 256 WIRE -96 16 -288 16 WIRE -96 48 -96 16 WIRE -96 144 -96 112 WIRE 48 16 -96 16 WIRE 48 48 48 16 WIRE 48 256 -128 256 WIRE 48 256 48 128 WIRE 48 352 48 256 WIRE 48 464 48 432 WIRE 96 256 48 256 WIRE 96 288 96 256 WIRE 112 288 96 288 WIRE 160 16 48 16 WIRE 160 48 160 16 WIRE 160 160 160 128 WIRE 160 208 160 160 WIRE 160 352 160 304 WIRE 160 464 160 432 WIRE 224 160 160 160 WIRE 320 160 288 160 WIRE 320 272 320 160 WIRE 320 464 320 352 WIRE 384 160 320 160 WIRE 544 160 464 160 WIRE 736 160 608 160 WIRE 736 272 736 160 WIRE 736 464 736 352 WIRE 832 160 736 160 WIRE 832 272 832 160 WIRE 832 464 832 336 WIRE 864 160 832 160 FLAG -256 464 0 FLAG -416 464 0 FLAG 864 160 out IOPIN 864 160 Out FLAG 160 464 0 FLAG 736 464 0 FLAG 832 464 0 FLAG 48 464 0 FLAG 320 464 0 FLAG -96 144 0 SYMBOL res 144 32 R0 SYMATTR InstName R2 SYMATTR Value 1.2k SYMBOL voltage -416 336 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 18 SYMBOL voltage -256 336 R0 WINDOW 3 24 44 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value SINE(0 0 440) SYMATTR InstName V2 SYMBOL res 64 144 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R4 SYMATTR Value 2510k SYMBOL res 144 336 R0 SYMATTR InstName R1 SYMATTR Value 100 SYMBOL res 720 256 R0 SYMATTR InstName R6 SYMATTR Value 470k SYMBOL cap -128 240 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 100n SYMBOL res 64 448 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R7 SYMATTR Value 470k SYMBOL nmos 112 208 R0 SYMATTR InstName M1 SYMATTR Value IRF7403 SYMBOL cap 288 144 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 4.7µ SYMATTR SpiceLine V=25 Irms=0 Rser=0.004 MTBF=0 Lser=0 mfg="TDK" pn="C4532X7RIE475M" type="X7R" ppPkg=1 SYMBOL schottky 544 176 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 336 368 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL res 480 144 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 3k SYMBOL cap 816 272 R0 SYMATTR InstName C3 SYMATTR Value 1µ SYMBOL res -272 0 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R8 SYMATTR Value 160 SYMBOL polcap -112 48 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 220µ SYMATTR InstName C4 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=16 Irms=235m Rser=0.36 MTBF=1000 Lser=0 mfg="Nichicon" pn="UPR1C221MPH" type="Al electrolytic" ppPkg=1 TEXT -400 136 Left 0 !.tran 0 4 0.01 0.00001 uic