Version 4 SHEET 1 880 1232 WIRE -288 -160 -720 -160 WIRE 480 -160 -288 -160 WIRE -720 -144 -720 -160 WIRE -288 -144 -288 -160 WIRE -720 -32 -720 -64 WIRE -720 -32 -816 -32 WIRE -288 -32 -288 -64 WIRE -288 -32 -464 -32 WIRE -192 -32 -288 -32 WIRE 32 -32 -96 -32 WIRE 96 -32 32 -32 WIRE 224 -32 176 -32 WIRE 416 -32 224 -32 WIRE 480 -32 480 -160 WIRE 480 -32 416 -32 WIRE 592 -32 480 -32 WIRE 640 -32 592 -32 WIRE 768 -32 720 -32 WIRE -192 -16 -192 -32 WIRE 32 -16 32 -32 WIRE -816 0 -816 -32 WIRE 480 16 480 -32 WIRE 592 16 592 -32 WIRE 224 32 224 -32 WIRE -464 64 -464 -32 WIRE -288 64 -288 -32 WIRE 160 80 80 80 WIRE 768 80 768 48 WIRE -96 112 -96 -32 WIRE 416 128 416 -32 WIRE -960 176 -1024 176 WIRE -864 176 -896 176 WIRE 224 176 224 128 WIRE 352 176 224 176 WIRE -96 224 -96 192 WIRE 80 224 80 80 WIRE 80 224 -96 224 WIRE 224 224 224 176 WIRE -1024 256 -1024 176 WIRE -976 256 -1024 256 WIRE -864 256 -864 176 WIRE -864 256 -896 256 WIRE -816 256 -864 256 WIRE -720 256 -720 -32 WIRE -720 256 -736 256 WIRE -288 256 -288 144 WIRE -288 256 -400 256 WIRE 416 256 416 224 WIRE -96 272 -96 224 WIRE -400 288 -400 256 WIRE 80 288 80 224 WIRE -1024 304 -1024 256 WIRE -720 304 -720 256 WIRE -288 320 -288 256 WIRE -160 320 -288 320 WIRE -864 352 -864 256 WIRE -288 368 -288 320 WIRE 416 368 416 336 WIRE 608 368 416 368 WIRE 704 368 672 368 WIRE 736 368 704 368 WIRE 416 400 416 368 WIRE 704 400 704 368 WIRE -1120 416 -1200 416 WIRE -1040 416 -1056 416 WIRE -912 416 -1040 416 WIRE -720 416 -720 384 WIRE -720 416 -816 416 WIRE -688 416 -720 416 WIRE -608 416 -624 416 WIRE -464 416 -464 144 WIRE -464 416 -608 416 WIRE -352 416 -464 416 WIRE 224 432 224 288 WIRE -1200 448 -1200 416 WIRE -1040 464 -1040 416 WIRE -608 464 -608 416 WIRE 416 512 416 480 WIRE 704 512 704 480 WIRE -288 544 -288 464 WIRE -256 544 -288 544 WIRE -96 544 -96 368 WIRE -48 544 -96 544 WIRE 48 544 32 544 WIRE -1200 560 -1200 528 WIRE 224 560 224 496 WIRE 352 560 224 560 WIRE 224 576 224 560 WIRE -464 592 -464 416 WIRE -288 592 -288 544 WIRE -96 592 -96 544 WIRE -176 608 -176 544 WIRE 48 608 48 544 WIRE 224 688 224 656 WIRE 416 688 416 608 WIRE -464 704 -464 672 WIRE -288 704 -288 672 WIRE -176 704 -176 672 WIRE -96 704 -96 672 WIRE 48 704 48 672 FLAG 224 688 0 FLAG 416 688 0 FLAG 768 80 0 FLAG 736 368 Out IOPIN 736 368 Out FLAG 704 512 0 FLAG -1200 560 0 FLAG -1200 416 In FLAG -96 704 0 FLAG 480 80 0 FLAG -1040 544 0 FLAG -1024 304 0 FLAG -464 704 0 FLAG -288 704 0 FLAG 592 80 0 FLAG -816 64 0 FLAG 32 48 0 FLAG -192 48 0 FLAG 48 704 0 FLAG -176 704 0 FLAG -608 528 0 FLAG -400 352 0 FLAG 80 352 0 SYMBOL res 208 560 R0 SYMATTR InstName R2 SYMATTR Value 470 SYMBOL diode 208 224 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode 208 432 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL npn 352 128 R0 SYMATTR InstName Q1 SYMATTR Value 2N4401 SYMBOL pnp 352 608 M180 SYMATTR InstName Q2 SYMATTR Value 2N4403 SYMBOL voltage 768 -48 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL cap 672 352 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 220µ SYMBOL res 688 384 R0 SYMATTR InstName R5 SYMATTR Value 16 SYMBOL voltage -1200 432 R0 WINDOW 123 -170 79 Left 0 WINDOW 39 -173 108 Left 0 WINDOW 0 23 11 Left 0 WINDOW 3 23 39 Left 0 SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=50 SYMATTR InstName V2 SYMATTR Value "" SYMBOL cap -624 400 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C4 SYMATTR Value 10µ SYMBOL npn 160 32 R0 SYMATTR InstName Q3 SYMATTR Value 2N4401 SYMBOL res -112 576 R0 SYMATTR InstName R4 SYMATTR Value 4.7k SYMBOL res 400 240 R0 SYMATTR InstName R7 SYMATTR Value 1 SYMBOL res 400 384 R0 SYMATTR InstName R8 SYMATTR Value 1 SYMBOL res 736 -48 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R9 SYMATTR Value 10 SYMBOL cap 464 16 R0 SYMATTR InstName C5 SYMATTR Value 470µ SYMBOL npn -816 352 R90 SYMATTR InstName Q5 SYMATTR Value 2N4401 SYMBOL res -1056 448 R0 SYMATTR InstName R11 SYMATTR Value 2.2k SYMBOL res -704 400 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R12 SYMATTR Value 4.7k SYMBOL res -720 240 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R13 SYMATTR Value 10k SYMBOL res -880 240 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R14 SYMATTR Value 3.3k SYMBOL cap -896 160 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C7 SYMATTR Value 10µ SYMBOL cap -1056 400 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C8 SYMATTR Value 10µ SYMBOL npn -352 368 R0 SYMATTR InstName Q6 SYMATTR Value 2N4401 SYMBOL res -304 48 R0 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL res -480 48 R0 SYMATTR InstName R10 SYMATTR Value 47k SYMBOL res -480 576 R0 SYMATTR InstName R15 SYMATTR Value 10k SYMBOL res -272 688 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R16 SYMATTR Value 3k SYMBOL res -80 208 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R17 SYMATTR Value 3.3k SYMBOL cap 576 16 R0 SYMATTR InstName C9 SYMATTR Value 100n SYMBOL cap -832 0 R0 SYMATTR InstName C10 SYMATTR Value 220µ SYMBOL res -304 -160 R0 SYMATTR InstName R3 SYMATTR Value 4.7k SYMBOL res 192 -48 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R18 SYMATTR Value 1k SYMBOL cap 16 -16 R0 SYMATTR InstName C2 SYMATTR Value 220µ SYMBOL npn -160 272 R0 SYMATTR InstName Q4 SYMATTR Value 2N4401 SYMBOL cap -208 -16 R0 SYMATTR InstName C3 SYMATTR Value 22µ SYMBOL res -736 -160 R0 SYMATTR InstName R1 SYMATTR Value 470 SYMBOL cap 32 608 R0 SYMATTR InstName C6 SYMATTR Value 22µ SYMBOL res 48 528 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R19 SYMATTR Value 4.7 SYMBOL cap -192 608 R0 SYMATTR InstName C11 SYMATTR Value 22µ SYMBOL res -160 528 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R20 SYMATTR Value 4.7 SYMBOL cap -624 464 R0 SYMATTR InstName C12 SYMATTR Value 10n SYMBOL cap -416 288 R0 SYMATTR InstName C13 SYMATTR Value 10n SYMBOL cap 64 288 R0 SYMATTR InstName C14 SYMATTR Value 10n TEXT -1176 -104 Left 0 !.ac oct 50 1 10Meg TEXT -1280 920 Left 0 !.model 2N4401 NPN(Is=26.03f Xti=3 Eg=1.11 Vaf=90.7 Bf=4.292K Ne=1.244\n+ Ise=26.03f Ikf=.2061 Xtb=1.5 Br=1.01 Nc=2 Isc=0 Ikr=0 Rc=.5\n+ Cjc=11.01p Mjc=.3763 Vjc=.75 Fc=.5 Cje=24.07p Mje=.3641 Vje=.75\n+ Tr=233.7n Tf=466.5p Itf=0 Vtf=0 Xtf=0 Rb=10)\n* Fairchild pid=2N4400 case=TO92 TEXT -1288 1104 Left 0 !.model 2N4403 PNP(Is=650.6E-18 Xti=3 Eg=1.11 Vaf=115.7 Bf=216.2 Ne=1.829\n+ Ise=58.72f Ikf=1.079 Xtb=1.5 Br=3.578 Nc=2 Isc=0 Ikr=0 Rc=.715\n+ Cjc=14.76p Mjc=.5383 Vjc=.75 Fc=.5 Cje=19.82p Mje=.3357 Vje=.75\n+ Tr=111.6n Tf=603.7p Itf=.65 Vtf=5 Xtf=1.7 Rb=10)\n* Fairchild pid=63 case=TO92