Version 4 SHEET 1 1896 1972 WIRE -816 256 -816 176 WIRE -816 384 -816 336 WIRE -816 496 -816 464 WIRE -288 176 -816 176 WIRE -208 176 -288 176 WIRE -160 1696 -208 1696 WIRE -112 32 -112 -48 WIRE -112 176 -128 176 WIRE -112 176 -112 112 WIRE -80 176 -112 176 WIRE -80 224 -80 176 WIRE -80 336 -80 288 WIRE -80 832 -160 832 WIRE -48 176 -80 176 WIRE -48 176 -48 80 WIRE -48 1392 -48 1312 WIRE -48 1568 -48 1488 WIRE -48 1792 -48 1648 WIRE -48 1824 -48 1792 WIRE -48 1952 -48 1904 WIRE -16 80 -48 80 WIRE -16 176 -48 176 WIRE 16 832 -16 832 WIRE 16 864 16 832 WIRE 16 992 16 944 WIRE 32 1792 -48 1792 WIRE 32 1840 32 1792 WIRE 32 1952 32 1904 WIRE 64 832 16 832 WIRE 64 1792 32 1792 WIRE 96 80 48 80 WIRE 96 176 64 176 WIRE 96 176 96 80 WIRE 128 1696 -80 1696 WIRE 128 1744 128 1696 WIRE 128 1904 128 1840 WIRE 144 -48 -112 -48 WIRE 144 -48 144 -112 WIRE 144 0 144 -48 WIRE 144 176 96 176 WIRE 144 176 144 64 WIRE 176 176 144 176 WIRE 176 832 128 832 WIRE 176 1312 -48 1312 WIRE 176 1328 176 1312 WIRE 176 1440 16 1440 WIRE 176 1440 176 1392 WIRE 192 1696 128 1696 WIRE 208 176 176 176 WIRE 208 224 208 176 WIRE 208 336 208 288 WIRE 224 176 208 176 WIRE 256 1312 176 1312 WIRE 256 1312 256 1296 WIRE 256 1328 256 1312 WIRE 256 1440 176 1440 WIRE 256 1440 256 1408 WIRE 256 1456 256 1440 WIRE 256 1616 256 1536 WIRE 256 1648 256 1616 WIRE 256 1808 256 1744 WIRE 288 -144 288 -208 WIRE 288 -32 288 -64 WIRE 288 96 288 48 WIRE 288 128 288 96 WIRE 288 368 288 224 WIRE 368 832 256 832 WIRE 368 864 368 832 WIRE 368 992 368 944 WIRE 416 832 368 832 WIRE 464 96 288 96 WIRE 464 128 464 96 WIRE 464 256 464 208 WIRE 480 784 480 752 WIRE 480 992 480 880 WIRE 480 1616 256 1616 WIRE 480 1664 480 1616 WIRE 480 1808 480 1760 WIRE 512 96 464 96 WIRE 528 1616 480 1616 WIRE 576 640 576 576 WIRE 576 736 576 720 WIRE 576 752 480 752 WIRE 576 752 576 736 WIRE 576 848 576 752 WIRE 576 992 576 944 WIRE 624 736 576 736 WIRE 624 1328 624 1312 WIRE 624 1440 624 1408 WIRE 624 1616 592 1616 WIRE 624 1616 624 1536 WIRE 624 1680 624 1616 WIRE 656 96 592 96 WIRE 656 128 656 96 WIRE 656 240 656 192 WIRE 688 1712 544 1712 WIRE 688 1712 688 1648 WIRE 720 96 656 96 WIRE 720 640 720 576 WIRE 720 736 688 736 WIRE 720 736 720 720 WIRE 720 800 720 736 WIRE 720 1488 688 1488 WIRE 720 1712 720 1488 WIRE 720 1808 720 1792 WIRE 784 896 640 896 WIRE 784 896 784 864 WIRE 816 800 720 800 WIRE 848 864 784 864 WIRE 848 864 848 736 WIRE 848 896 848 864 WIRE 848 992 848 976 WIRE 848 1648 688 1648 WIRE 848 1648 848 1552 WIRE 848 1712 848 1648 WIRE 848 1808 848 1792 WIRE 864 96 720 96 WIRE 880 736 848 736 WIRE 880 1552 848 1552 WIRE 912 800 816 800 WIRE 912 896 912 800 WIRE 912 1680 624 1680 WIRE 912 1712 912 1680 WIRE 928 -160 928 -224 WIRE 928 16 928 -80 WIRE 928 48 928 16 WIRE 928 160 928 144 WIRE 944 896 912 896 WIRE 944 1712 912 1712 WIRE 992 16 928 16 WIRE 1008 640 1008 576 WIRE 1008 736 960 736 WIRE 1008 736 1008 720 WIRE 1008 784 1008 736 WIRE 1008 848 1008 784 WIRE 1008 992 1008 944 WIRE 1008 1312 624 1312 WIRE 1008 1312 1008 1264 WIRE 1008 1424 1008 1312 WIRE 1008 1552 960 1552 WIRE 1008 1552 1008 1504 WIRE 1008 1632 1008 1552 WIRE 1008 1664 1008 1632 WIRE 1008 1808 1008 1760 WIRE 1056 -208 1056 -272 WIRE 1056 -112 1056 -128 WIRE 1056 -32 1056 -112 WIRE 1056 160 928 160 WIRE 1056 160 1056 64 WIRE 1056 1632 1008 1632 WIRE 1072 784 1008 784 WIRE 1136 784 1072 784 WIRE 1136 1632 1056 1632 WIRE 1152 64 1152 0 WIRE 1152 160 1056 160 WIRE 1152 160 1152 144 WIRE 1152 176 1152 160 WIRE 1152 336 1152 256 WIRE 1232 -112 1056 -112 WIRE 1760 -48 1760 -128 WIRE 1760 64 1760 32 WIRE 1760 80 1760 64 WIRE 1760 208 1760 160 WIRE 1856 64 1760 64 WIRE 1888 64 1856 64 FLAG 464 256 0 FLAG 656 240 0 FLAG -80 336 0 FLAG 208 336 0 FLAG 1760 208 0 FLAG 1856 64 +5V FLAG 1760 -128 +13V FLAG 288 -208 +13V FLAG 144 -112 +5V FLAG 176 176 base FLAG -288 176 mag_in FLAG 720 96 out FLAG 288 368 0 FLAG 1152 0 +13V FLAG 1152 336 0 FLAG 928 -224 +5V FLAG 1056 -272 +5V FLAG 1232 -112 p_out_re FLAG -160 832 p_out_re FLAG 16 992 0 FLAG 368 992 0 FLAG 480 992 0 FLAG 576 576 +5V FLAG 576 992 0 FLAG 1008 992 0 FLAG 1008 576 +5V FLAG 720 576 +5V FLAG 848 992 0 FLAG 1072 784 tach FLAG 480 1808 0 FLAG 1008 1808 0 FLAG 848 1808 0 FLAG 720 1808 0 FLAG 1008 1264 +13V FLAG 256 1296 +5V FLAG 1056 1632 trig_r FLAG 128 1904 0 FLAG 32 1952 0 FLAG -48 1952 0 FLAG 256 1808 0 FLAG -208 1696 tach FLAG -816 496 0 FLAG 816 800 one_shot_tim SYMBOL pnp 224 224 M180 SYMATTR InstName Q1 SYMATTR Value 2N2907 SYMBOL res 272 -160 R0 SYMATTR InstName R1 SYMATTR Value 40 SYMBOL res 272 -48 R0 SYMATTR InstName R5 SYMATTR Value 100k SYMBOL res 448 112 R0 SYMATTR InstName R6 SYMATTR Value 39k SYMBOL res 496 112 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R7 SYMATTR Value 47k SYMBOL cap 640 128 R0 SYMATTR InstName C5 SYMATTR Value 220p SYMBOL res -224 192 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL res -32 192 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R4 SYMATTR Value 47k SYMBOL cap -96 224 R0 SYMATTR InstName C1 SYMATTR Value 470p SYMBOL cap -16 96 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C2 SYMATTR Value .002µ SYMBOL cap 192 224 R0 SYMATTR InstName C4 SYMATTR Value 470p SYMBOL diode 160 64 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value 1N914 SYMBOL res -128 16 R0 SYMATTR InstName R3 SYMATTR Value 1Meg SYMBOL voltage 1760 64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 5.1 SYMBOL voltage 1760 -64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value 7.9 SYMBOL res 1136 48 R0 SYMATTR InstName R11 SYMATTR Value 4.7k SYMBOL res 1136 160 R0 SYMATTR InstName R12 SYMATTR Value 100 SYMBOL npn 864 48 R0 SYMATTR InstName Q2 SYMATTR Value 2N2222 SYMBOL res 912 -176 R0 SYMATTR InstName R9 SYMATTR Value 30k SYMBOL npn 992 -32 R0 SYMATTR InstName Q3 SYMATTR Value 2N2222 SYMBOL res 1040 -224 R0 SYMATTR InstName R10 SYMATTR Value 4.7k SYMBOL cap -80 848 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C6 SYMATTR Value .01µ SYMBOL res 0 848 R0 SYMATTR InstName R13 SYMATTR Value 100k SYMBOL diode 64 848 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D3 SYMATTR Value 1N914 SYMBOL res 160 848 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R14 SYMATTR Value 2.2k SYMBOL res 352 848 R0 SYMATTR InstName R15 SYMATTR Value 10k SYMBOL npn 416 784 R0 WINDOW 3 -22 -15 Left 0 SYMATTR InstName Q4 SYMATTR Value 2N2222 SYMBOL res 560 624 R0 SYMATTR InstName R16 SYMATTR Value 33k SYMBOL npn 640 848 M0 WINDOW 3 -35 111 Left 0 SYMATTR InstName Q5 SYMATTR Value 2N2222 SYMBOL npn 944 848 R0 SYMATTR InstName Q6 SYMATTR Value 2N2222 SYMBOL res 992 624 R0 SYMATTR InstName R20 SYMATTR Value 2.2k SYMBOL res 704 624 R0 SYMATTR InstName R17 SYMATTR Value 8.2k SYMBOL cap 624 752 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C7 SYMATTR Value 2.2µ SYMBOL res 864 752 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R18 SYMATTR Value 10k SYMBOL res 832 880 R0 SYMATTR InstName R19 SYMATTR Value 10k SYMBOL res -176 1712 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R21 SYMATTR Value 10k SYMBOL npn 544 1664 M0 SYMATTR InstName Q10 SYMATTR Value 2N2222 SYMBOL npn 944 1664 R0 SYMATTR InstName Q11 SYMATTR Value 2N2222 SYMBOL res 992 1408 R0 SYMATTR InstName R30 SYMATTR Value 1k SYMBOL cap 528 1632 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C10 SYMATTR Value .047µ SYMBOL res 864 1568 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R29 SYMATTR Value 10k SYMBOL res 832 1696 R0 SYMATTR InstName R28 SYMATTR Value 10k SYMBOL pnp 688 1536 R180 SYMATTR InstName Q12 SYMATTR Value 2N2907 SYMBOL res 608 1312 R0 SYMATTR InstName R26 SYMATTR Value 30k SYMBOL res 704 1696 R0 SYMATTR InstName R27 SYMATTR Value 10k SYMBOL res 240 1440 R0 SYMATTR InstName R25 SYMATTR Value 1.3k SYMBOL res 240 1312 R0 SYMATTR InstName R24 SYMATTR Value 10k SYMBOL pnp 16 1488 R180 SYMATTR InstName Q7 SYMATTR Value 2N2907 SYMBOL npn 64 1744 R0 SYMATTR InstName Q8 SYMATTR Value 2N2222 SYMBOL cap 160 1328 R0 SYMATTR InstName C9 SYMATTR Value .01µ SYMBOL res -64 1552 R0 SYMATTR InstName R22 SYMATTR Value 10k SYMBOL res -64 1808 R0 SYMATTR InstName R23 SYMATTR Value 10k SYMBOL cap 16 1840 R0 SYMATTR InstName C8 SYMATTR Value .01µ SYMBOL npn 192 1648 R0 SYMATTR InstName Q9 SYMATTR Value 2N2222 SYMBOL voltage -816 368 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V5 SYMATTR Value PULSE(0 -1 0 0 0 .1m {SP_pul_per}) SYMBOL voltage -816 240 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V6 SYMATTR Value PULSE(0 1 .1m 0 0 .1m {SP_pul_per}) TEXT -792 600 Left 0 !;op TEXT -792 640 Left 0 !.tran 0 .15 .1 TEXT -792 520 Left 0 !.param sp_freq = RPM / 20\n.param SP_pul_per = 1/sp_freq TEXT -768 -200 Left 0 ;Schematic obtained from:\nhttp://www.zublin.com/msd/msd6a_02.pdf TEXT -768 -112 Left 0 !* 6 cylinder engine timing\n.param RPM = 3000