Version 4 SHEET 1 2852 680 WIRE 1872 -784 816 -784 WIRE 1552 -704 1136 -704 WIRE 1872 -672 1872 -784 WIRE 1872 -672 1744 -672 WIRE 1136 -624 1136 -704 WIRE 1136 -624 912 -624 WIRE 1200 -624 1136 -624 WIRE 1328 -624 1280 -624 WIRE 1392 -624 1328 -624 WIRE 1664 -624 1392 -624 WIRE 1680 -624 1664 -624 WIRE 1872 -624 1872 -672 WIRE 1760 -576 1744 -576 WIRE 1808 -576 1760 -576 WIRE 1136 -560 1136 -624 WIRE 1552 -528 1552 -704 WIRE 1552 -528 1472 -528 WIRE 1664 -512 1664 -624 WIRE 1760 -512 1760 -576 WIRE 1760 -512 1744 -512 WIRE 1776 -512 1760 -512 WIRE 1872 -512 1872 -528 WIRE 1872 -512 1856 -512 WIRE 1872 -480 1872 -512 WIRE 1136 -464 1136 -480 WIRE 1136 -464 1024 -464 WIRE 1264 -464 1136 -464 WIRE 912 -448 912 -624 WIRE 1264 -448 1264 -464 WIRE 1328 -432 1328 -560 WIRE 1792 -432 1328 -432 WIRE 1472 -400 1472 -528 WIRE 1328 -384 1328 -432 WIRE 1440 -384 1328 -384 WIRE 1584 -368 1504 -368 WIRE 1664 -368 1664 -512 WIRE 1664 -368 1648 -368 WIRE 1264 -352 1264 -368 WIRE 1440 -352 1264 -352 WIRE 1872 -352 1872 -416 WIRE 1872 -352 1792 -352 WIRE 1264 -320 1264 -352 WIRE 1024 -304 1024 -464 WIRE 1136 -304 1136 -464 WIRE 1872 -288 1872 -352 WIRE 1472 -272 1472 -336 WIRE 1568 -272 1472 -272 WIRE 816 -240 816 -784 WIRE 912 -192 912 -368 WIRE 1136 -192 1136 -240 WIRE 1136 -192 912 -192 WIRE 1264 -192 1264 -240 WIRE 1264 -192 1136 -192 WIRE 1728 -192 1264 -192 WIRE 1872 -192 1872 -208 WIRE 1872 -192 1728 -192 WIRE 1904 -192 1872 -192 WIRE 2016 -192 1984 -192 WIRE 2272 -192 2016 -192 WIRE 2512 -192 2272 -192 WIRE 2736 -192 2512 -192 WIRE 1136 -128 1136 -192 WIRE 1552 -112 1552 -528 WIRE 1552 -112 1472 -112 WIRE 912 -96 912 -192 WIRE 2272 -96 2272 -192 WIRE 2512 -96 2512 -192 WIRE 2736 -96 2736 -192 WIRE 2016 -80 2016 -192 WIRE 1472 -64 1472 -112 WIRE 1264 -48 1264 -192 WIRE 1280 -48 1264 -48 WIRE 1392 -48 1392 -560 WIRE 1392 -48 1360 -48 WIRE 1440 -48 1392 -48 WIRE 1584 -32 1504 -32 WIRE 1664 -32 1664 -368 WIRE 1664 -32 1648 -32 WIRE 1024 -16 1024 -224 WIRE 1120 -16 1024 -16 WIRE 1440 -16 1200 -16 WIRE 1728 0 1728 -192 WIRE 1872 0 1872 -192 WIRE 2176 64 2112 64 WIRE 2432 64 2384 64 WIRE 1024 96 1024 -16 WIRE 2272 96 2272 -16 WIRE 2512 96 2512 -16 WIRE 2112 128 2112 64 WIRE 2384 128 2384 64 WIRE 2176 176 2176 64 WIRE 2224 176 2176 176 WIRE 2432 176 2432 64 WIRE 2464 176 2432 176 WIRE 912 208 912 -16 WIRE 1472 208 1472 0 WIRE 1472 208 912 208 WIRE 1568 208 1568 -272 WIRE 1568 208 1472 208 WIRE 816 240 816 -160 WIRE 1024 240 1024 176 WIRE 1024 240 816 240 WIRE 1728 240 1728 64 WIRE 1728 240 1024 240 WIRE 1872 240 1872 64 WIRE 1872 240 1728 240 WIRE 2016 240 2016 0 WIRE 2016 240 1872 240 WIRE 2112 240 2112 208 WIRE 2112 240 2016 240 WIRE 2272 240 2272 192 WIRE 2272 240 2112 240 WIRE 2384 240 2384 208 WIRE 2384 240 2272 240 WIRE 2512 240 2512 192 WIRE 2512 240 2384 240 WIRE 2736 240 2736 -32 WIRE 2736 240 2512 240 FLAG 1136 -128 0 SYMBOL References\\LT1009 1136 -272 R0 SYMATTR InstName U1 SYMBOL res 1120 -576 R0 SYMATTR InstName R7 SYMATTR Value 4700 SYMBOL res 1248 -336 R0 SYMATTR InstName PotiI SYMATTR Value 4000 SYMBOL res 1248 -464 R0 SYMATTR InstName R9 SYMATTR Value 21000 SYMBOL res 1008 -320 R0 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL res 1216 -32 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R11 SYMATTR Value 100k SYMBOL res 1008 80 R0 SYMATTR InstName PotiU SYMATTR Value 50k SYMBOL diode 1648 -384 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D7 SYMATTR Value 1N4148 SYMBOL diode 1648 -48 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 30 VTop 0 SYMATTR InstName D8 SYMATTR Value 1N4148 SYMBOL cap 1312 -624 R0 SYMATTR InstName C3 SYMATTR Value 1p SYMBOL cap 1376 -624 R0 SYMATTR InstName C4 SYMATTR Value 100p SYMBOL npn2 1808 -624 R0 SYMATTR InstName Q1 SYMATTR Value 2N3055 SYMBOL res 1296 -640 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R13 SYMATTR Value 470 SYMBOL res 1888 -192 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R14 SYMATTR Value 0.39 SYMBOL cap 1856 0 R0 SYMATTR InstName C5 SYMATTR Value 22µ SYMBOL diode 1856 -480 R0 SYMATTR InstName D9 SYMATTR Value MUR460 SYMBOL npn 1680 -672 R0 SYMATTR InstName Q2 SYMATTR Value 2N3019 SYMBOL res 2000 -96 R0 SYMATTR InstName R16 SYMATTR Value 100 SYMBOL Opamps\\LT1215 1472 -432 R0 SYMATTR InstName U2 SYMBOL Opamps\\LT1215 1472 -96 R0 SYMATTR InstName U3 SYMBOL res 2256 -112 R0 SYMATTR InstName R6 SYMATTR Value 10 SYMBOL nmos 2224 96 R0 SYMATTR InstName M1 SYMATTR Value FDS5680 SYMBOL voltage 2112 112 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 132 Left 0 WINDOW 3 285 208 Left 0 SYMATTR SpiceLine Rser=10 SYMATTR InstName V2 SYMATTR Value PULSE(0 10 0.02 1u 1u 0.02 0.04 10) SYMBOL voltage 912 -464 R0 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL voltage 816 -256 R0 SYMATTR InstName V3 SYMATTR Value 40 SYMBOL res 1376 -64 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 100k SYMBOL res 1872 -528 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 500 SYMBOL res 1760 -528 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 5000 SYMBOL voltage 912 -112 R0 SYMATTR InstName V4 SYMATTR Value 5 SYMBOL res 1776 -448 R0 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL res 2496 -112 R0 SYMATTR InstName R15 SYMATTR Value 200 SYMBOL nmos 2464 96 R0 SYMATTR InstName M2 SYMATTR Value FDS5680 SYMBOL voltage 2384 112 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 24 165 Left 0 SYMATTR InstName V5 SYMATTR Value PULSE(0 10 0.01 1u 1u 0.02 0.04) SYMBOL ind 1888 -176 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 1µ SYMBOL cap 2720 -96 R0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL diode 1744 64 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value MUR460 TEXT 48 296 Left 0 !.tran 0.1