Version 4 SHEET 1 2188 2564 WIRE 1904 960 848 960 WIRE 1472 1024 1392 1024 WIRE 1616 1024 1552 1024 WIRE 1680 1024 1616 1024 WIRE 1680 1040 1680 1024 WIRE 1392 1136 1392 1024 WIRE 1472 1136 1392 1136 WIRE 1616 1136 1616 1024 WIRE 1616 1136 1552 1136 WIRE 1680 1152 1680 1120 WIRE 1216 1200 1104 1200 WIRE 1504 1200 1216 1200 WIRE 1712 1200 1504 1200 WIRE 1904 1200 1904 960 WIRE 1904 1200 1760 1200 WIRE 2048 1200 1904 1200 WIRE 2128 1200 2048 1200 WIRE 1216 1248 1216 1200 WIRE 1760 1248 1760 1200 WIRE 1904 1248 1904 1200 WIRE 2128 1248 2128 1200 WIRE 1408 1264 1392 1264 WIRE 1504 1264 1504 1200 WIRE 1504 1264 1488 1264 WIRE 1520 1264 1504 1264 WIRE 1632 1264 1600 1264 WIRE 1104 1296 1104 1200 WIRE 1472 1360 1312 1360 WIRE 1760 1360 1760 1328 WIRE 1760 1360 1552 1360 WIRE 1904 1360 1904 1312 WIRE 2128 1376 2128 1328 WIRE 1104 1408 1104 1360 WIRE 1216 1408 1216 1328 WIRE 1216 1408 1104 1408 WIRE 1392 1456 1392 1264 WIRE 1472 1456 1392 1456 WIRE 1632 1456 1632 1264 WIRE 1632 1456 1536 1456 WIRE 1216 1488 1216 1408 WIRE 1392 1488 1392 1456 WIRE 1632 1488 1632 1456 WIRE 1312 1536 1312 1360 WIRE 1328 1536 1312 1536 WIRE 1760 1536 1760 1360 WIRE 1760 1536 1696 1536 WIRE 1216 1600 1216 1568 WIRE 1392 1600 1392 1584 WIRE 1392 1600 1216 1600 WIRE 1504 1600 1392 1600 WIRE 1632 1600 1632 1584 WIRE 1632 1600 1504 1600 WIRE 1104 1632 1104 1408 WIRE 1376 1632 1104 1632 WIRE 1120 1664 240 1664 WIRE 1504 1664 1504 1600 WIRE 320 1728 288 1728 WIRE 432 1728 320 1728 WIRE 512 1728 432 1728 WIRE 656 1728 576 1728 WIRE 848 1728 848 960 WIRE 848 1728 704 1728 WIRE 1120 1744 1120 1664 WIRE 320 1776 320 1728 WIRE 432 1776 432 1728 WIRE 656 1776 656 1728 WIRE 704 1776 704 1728 WIRE 896 1808 864 1808 WIRE 1504 1808 1504 1744 WIRE 1504 1808 1344 1808 WIRE 1584 1808 1504 1808 WIRE 1680 1808 1648 1808 WIRE 1504 1824 1504 1808 WIRE 320 1904 320 1856 WIRE 432 1904 432 1840 WIRE 432 1904 320 1904 WIRE 656 1904 656 1856 WIRE 656 1904 432 1904 WIRE 704 1904 704 1856 WIRE 896 1904 704 1904 WIRE 1504 1904 1504 1888 WIRE 1504 1904 1344 1904 WIRE 2048 1904 2048 1200 WIRE 2048 1904 1504 1904 WIRE 432 1984 432 1904 WIRE 896 2000 864 2000 WIRE 1712 2000 1712 1200 WIRE 1712 2000 1344 2000 WIRE 432 2096 432 2064 WIRE 896 2096 864 2096 WIRE 1376 2096 1376 1632 WIRE 1376 2096 1344 2096 WIRE 432 2192 432 2176 WIRE 576 2192 432 2192 WIRE 896 2192 576 2192 WIRE 1392 2192 1344 2192 WIRE 1504 2192 1472 2192 WIRE 432 2208 432 2192 WIRE 576 2224 576 2192 WIRE 720 2288 704 2288 WIRE 800 2288 784 2288 WIRE 896 2288 880 2288 WIRE 1360 2288 1344 2288 WIRE 1440 2288 1424 2288 WIRE 576 2336 576 2288 WIRE 240 2352 240 1664 WIRE 432 2352 432 2288 WIRE 432 2352 240 2352 WIRE 432 2368 432 2352 WIRE 896 2384 864 2384 WIRE 1376 2384 1344 2384 WIRE 432 2464 432 2448 WIRE 1120 2464 1120 2448 WIRE 240 2496 240 2352 WIRE 1504 2496 1504 2192 WIRE 1504 2496 240 2496 FLAG 2128 1376 0 FLAG 1120 2464 0 FLAG 1440 2288 0 FLAG 432 2464 0 FLAG 1680 1808 0 FLAG 864 2384 0 FLAG 1680 1152 0 FLAG 1376 2384 0 FLAG 704 2288 0 FLAG 864 1808 0 FLAG 576 2336 0 FLAG 288 1728 0 FLAG 1904 1360 0 SYMBOL NPN 1328 1488 R0 SYMATTR InstName Q1 SYMATTR Value NP SYMBOL npn 1696 1488 M0 SYMATTR InstName Q2 SYMATTR Value NP SYMBOL ind2 1392 1280 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 4 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 20µ SYMBOL ind2 1504 1280 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 4 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 20µ SYMBOL cap 1536 1440 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .068µ SYMBOL ind2 1568 1376 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 4 56 VBottom 2 SYMATTR InstName L3 SYMATTR Value 1µ SYMBOL VOLTAGE 2128 1232 R0 SYMATTR InstName V1 SYMATTR Value 28 SYMBOL ind2 1456 1120 M90 WINDOW 0 4 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L4 SYMATTR Value 50m SYMBOL RES 1568 1008 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 70K SYMBOL ind 1488 1648 R0 SYMATTR InstName L5 SYMATTR Value 100µ SYMBOL schottky 1488 1824 R0 WINDOW 3 27 64 Left 2 WINDOW 0 34 4 Left 2 SYMATTR Value 1N5818 SYMATTR InstName D1 SYMBOL res 1200 1232 R0 SYMATTR InstName R2 SYMATTR Value 220K SYMBOL res 1200 1472 R0 SYMATTR InstName R3 SYMATTR Value 100K SYMBOL cap 1088 1296 R0 SYMATTR InstName C3 SYMATTR Value 1000p SYMBOL schottky 1648 1792 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value 1N5818 SYMBOL cap 1360 2304 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value 1µ SYMBOL VOLTAGE 432 2352 R0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL cap 1888 1248 R0 SYMATTR InstName C5 SYMATTR Value 2.2µ SYMBOL res 1744 1232 R0 SYMATTR InstName R5 SYMATTR Value 500 SYMBOL res 1664 1024 R0 SYMATTR InstName R6 SYMATTR Value 1G SYMBOL res 1488 2176 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 89.6 SYMBOL cap 784 2272 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL res 896 2272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 10K SYMBOL ind2 720 1872 R180 WINDOW 0 -6 74 Right 2 WINDOW 3 1 40 Right 2 SYMATTR InstName L6 SYMATTR Value 100µ SYMBOL ind2 640 1760 R0 WINDOW 0 2 36 Right 2 WINDOW 3 1 70 Right 2 SYMATTR InstName L7 SYMATTR Value 100µ SYMBOL schottky 576 1712 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D3 SYMATTR Value 1N5819 SYMBOL cap 416 1776 R0 SYMATTR InstName C6 SYMATTR Value 1µ SYMBOL res 416 1968 R0 SYMATTR InstName R8 SYMATTR Value {20K} SYMBOL res 416 2080 R0 SYMATTR InstName R9 SYMATTR Value 10K SYMBOL res 416 2192 R0 SYMATTR InstName R10 SYMATTR Value 4.99K SYMBOL res 304 1760 R0 SYMATTR InstName R11 SYMATTR Value 500 SYMBOL POWERPRODUCTS\\LT1183 1120 2096 R0 SYMATTR InstName U1 SYMBOL diode 560 2224 R0 SYMATTR InstName D4 SYMATTR Value 1N914 TEXT 1800 1960 Left 2 !.tran 2m TEXT 1184 1176 Left 2 !K1 L1 L2 L3 L4 1 TEXT 2128 1200 Bottom 2 ;BAT TEXT 1768 1672 Left 2 !.model NP NPN TEXT 680 1728 Bottom 2 !K1 L6 L7 1