Version 4 SHEET 1 1704 1572 WIRE 480 -1648 -160 -1648 WIRE 672 -1648 480 -1648 WIRE 880 -1648 672 -1648 WIRE 240 -1568 -96 -1568 WIRE 128 -1536 16 -1536 WIRE 480 -1488 480 -1648 WIRE -496 -1472 -624 -1472 WIRE -384 -1472 -416 -1472 WIRE -160 -1472 -160 -1648 WIRE -160 -1472 -192 -1472 WIRE 672 -1472 672 -1648 WIRE -96 -1456 -96 -1568 WIRE -96 -1456 -128 -1456 WIRE 240 -1440 240 -1568 WIRE -96 -1424 -96 -1456 WIRE 208 -1424 176 -1424 WIRE -128 -1408 -128 -1456 WIRE -128 -1408 -192 -1408 WIRE 304 -1408 272 -1408 WIRE 400 -1408 384 -1408 WIRE 432 -1408 400 -1408 WIRE 128 -1392 128 -1456 WIRE 208 -1392 128 -1392 WIRE -384 -1376 -464 -1376 WIRE 176 -1360 176 -1424 WIRE 480 -1360 480 -1392 WIRE 480 -1360 176 -1360 WIRE 128 -1328 128 -1392 WIRE 400 -1328 400 -1408 WIRE 400 -1328 320 -1328 WIRE -96 -1312 -96 -1344 WIRE 16 -1312 16 -1536 WIRE 16 -1312 -96 -1312 WIRE 320 -1296 320 -1328 WIRE 480 -1296 480 -1360 WIRE -96 -1280 -96 -1312 WIRE 400 -1280 400 -1328 WIRE -624 -1232 -624 -1472 WIRE -464 -1232 -464 -1376 WIRE -96 -1184 -96 -1216 WIRE 128 -1184 128 -1248 WIRE 128 -1184 -96 -1184 WIRE 240 -1184 240 -1376 WIRE 240 -1184 128 -1184 WIRE 320 -1184 320 -1216 WIRE 320 -1184 240 -1184 WIRE 400 -1184 400 -1216 WIRE 400 -1184 320 -1184 WIRE 480 -1184 480 -1216 WIRE 480 -1184 400 -1184 WIRE 672 -1184 672 -1392 WIRE 672 -1184 480 -1184 WIRE 480 -1120 -160 -1120 WIRE 672 -1120 672 -1184 WIRE 672 -1120 480 -1120 WIRE 880 -1120 672 -1120 WIRE 240 -1040 -96 -1040 WIRE 128 -1008 16 -1008 WIRE 480 -960 480 -1120 WIRE -496 -944 -624 -944 WIRE -384 -944 -416 -944 WIRE -160 -944 -160 -1120 WIRE -160 -944 -192 -944 WIRE 672 -944 672 -1120 WIRE -96 -928 -96 -1040 WIRE -96 -928 -128 -928 WIRE 240 -912 240 -1040 WIRE -96 -896 -96 -928 WIRE 208 -896 176 -896 WIRE -128 -880 -128 -928 WIRE -128 -880 -192 -880 WIRE 304 -880 272 -880 WIRE 400 -880 384 -880 WIRE 432 -880 400 -880 WIRE 128 -864 128 -928 WIRE 208 -864 128 -864 WIRE -384 -848 -464 -848 WIRE 176 -832 176 -896 WIRE 480 -832 480 -864 WIRE 480 -832 176 -832 WIRE 128 -800 128 -864 WIRE 400 -800 400 -880 WIRE 400 -800 320 -800 WIRE -96 -784 -96 -816 WIRE 16 -784 16 -1008 WIRE 16 -784 -96 -784 WIRE 320 -768 320 -800 WIRE 480 -768 480 -832 WIRE -96 -752 -96 -784 WIRE 400 -752 400 -800 WIRE -624 -704 -624 -944 WIRE -464 -704 -464 -848 WIRE -96 -656 -96 -688 WIRE 128 -656 128 -720 WIRE 128 -656 -96 -656 WIRE 240 -656 240 -848 WIRE 240 -656 128 -656 WIRE 320 -656 320 -688 WIRE 320 -656 240 -656 WIRE 400 -656 400 -688 WIRE 400 -656 320 -656 WIRE 480 -656 480 -688 WIRE 480 -656 400 -656 WIRE 672 -656 672 -864 WIRE 672 -656 480 -656 WIRE 480 -592 -160 -592 WIRE 672 -592 672 -656 WIRE 672 -592 480 -592 WIRE 880 -592 672 -592 WIRE 240 -512 -96 -512 WIRE 128 -480 16 -480 WIRE 480 -432 480 -592 WIRE -496 -416 -624 -416 WIRE -384 -416 -416 -416 WIRE -160 -416 -160 -592 WIRE -160 -416 -192 -416 WIRE 672 -416 672 -592 WIRE -96 -400 -96 -512 WIRE -96 -400 -128 -400 WIRE 240 -384 240 -512 WIRE -96 -368 -96 -400 WIRE 208 -368 176 -368 WIRE -128 -352 -128 -400 WIRE -128 -352 -192 -352 WIRE 304 -352 272 -352 WIRE 400 -352 384 -352 WIRE 432 -352 400 -352 WIRE 128 -336 128 -400 WIRE 208 -336 128 -336 WIRE -384 -320 -464 -320 WIRE 176 -304 176 -368 WIRE 480 -304 480 -336 WIRE 480 -304 176 -304 WIRE 128 -272 128 -336 WIRE 400 -272 400 -352 WIRE 400 -272 320 -272 WIRE -96 -256 -96 -288 WIRE 16 -256 16 -480 WIRE 16 -256 -96 -256 WIRE 320 -240 320 -272 WIRE 480 -240 480 -304 WIRE -96 -224 -96 -256 WIRE 400 -224 400 -272 WIRE -624 -176 -624 -416 WIRE -464 -176 -464 -320 WIRE -96 -128 -96 -160 WIRE 128 -128 128 -192 WIRE 128 -128 -96 -128 WIRE 240 -128 240 -320 WIRE 240 -128 128 -128 WIRE 320 -128 320 -160 WIRE 320 -128 240 -128 WIRE 400 -128 400 -160 WIRE 400 -128 320 -128 WIRE 480 -128 480 -160 WIRE 480 -128 400 -128 WIRE 672 -128 672 -336 WIRE 672 -128 480 -128 WIRE 480 -48 -160 -48 WIRE 672 -48 672 -128 WIRE 672 -48 480 -48 WIRE 880 -48 672 -48 WIRE 240 32 -96 32 WIRE 128 64 16 64 WIRE 480 112 480 -48 WIRE -496 128 -624 128 WIRE -384 128 -416 128 WIRE -160 128 -160 -48 WIRE -160 128 -192 128 WIRE 672 128 672 -48 WIRE -96 144 -96 32 WIRE -96 144 -128 144 WIRE 240 160 240 32 WIRE -96 176 -96 144 WIRE 208 176 176 176 WIRE -128 192 -128 144 WIRE -128 192 -192 192 WIRE 304 192 272 192 WIRE 400 192 384 192 WIRE 432 192 400 192 WIRE 128 208 128 144 WIRE 208 208 128 208 WIRE -384 224 -464 224 WIRE 176 240 176 176 WIRE 480 240 480 208 WIRE 480 240 176 240 WIRE 128 272 128 208 WIRE 400 272 400 192 WIRE 400 272 320 272 WIRE -96 288 -96 256 WIRE 16 288 16 64 WIRE 16 288 -96 288 WIRE 320 304 320 272 WIRE 480 304 480 240 WIRE -96 320 -96 288 WIRE 400 320 400 272 WIRE -624 368 -624 128 WIRE -464 368 -464 224 WIRE -96 416 -96 384 WIRE 128 416 128 352 WIRE 128 416 -96 416 WIRE 240 416 240 224 WIRE 240 416 128 416 WIRE 320 416 320 384 WIRE 320 416 240 416 WIRE 400 416 400 384 WIRE 400 416 320 416 WIRE 480 416 480 384 WIRE 480 416 400 416 WIRE 672 416 672 208 WIRE 672 416 480 416 WIRE 480 480 -160 480 WIRE 672 480 672 416 WIRE 672 480 480 480 WIRE 880 480 672 480 WIRE 240 560 -96 560 WIRE 128 592 16 592 WIRE 480 640 480 480 WIRE -496 656 -624 656 WIRE -384 656 -416 656 WIRE -160 656 -160 480 WIRE -160 656 -192 656 WIRE 672 656 672 480 WIRE -96 672 -96 560 WIRE -96 672 -128 672 WIRE 240 688 240 560 WIRE -96 704 -96 672 WIRE 208 704 176 704 WIRE -128 720 -128 672 WIRE -128 720 -192 720 WIRE 304 720 272 720 WIRE 400 720 384 720 WIRE 432 720 400 720 WIRE 128 736 128 672 WIRE 208 736 128 736 WIRE -384 752 -464 752 WIRE 176 768 176 704 WIRE 480 768 480 736 WIRE 480 768 176 768 WIRE -624 784 -624 656 WIRE -464 784 -464 752 WIRE 128 800 128 736 WIRE 400 800 400 720 WIRE 400 800 320 800 WIRE -96 816 -96 784 WIRE 16 816 16 592 WIRE 16 816 -96 816 WIRE 320 832 320 800 WIRE 480 832 480 768 WIRE -96 848 -96 816 WIRE 400 848 400 800 WIRE -624 896 -624 864 WIRE -464 896 -464 864 WIRE -96 944 -96 912 WIRE 128 944 128 880 WIRE 128 944 -96 944 WIRE 240 944 240 752 WIRE 240 944 128 944 WIRE 320 944 320 912 WIRE 320 944 240 944 WIRE 400 944 400 912 WIRE 400 944 320 944 WIRE 480 944 480 912 WIRE 480 944 400 944 WIRE 672 944 672 736 WIRE 672 944 480 944 WIRE 480 1024 -160 1024 WIRE 672 1024 672 944 WIRE 672 1024 480 1024 WIRE 880 1024 672 1024 WIRE 240 1104 -96 1104 WIRE 128 1136 16 1136 WIRE 480 1184 480 1024 WIRE -496 1200 -624 1200 WIRE -384 1200 -416 1200 WIRE -160 1200 -160 1024 WIRE -160 1200 -192 1200 WIRE 672 1200 672 1024 WIRE -96 1216 -96 1104 WIRE -96 1216 -128 1216 WIRE 240 1232 240 1104 WIRE -96 1248 -96 1216 WIRE 208 1248 176 1248 WIRE -128 1264 -128 1216 WIRE -128 1264 -192 1264 WIRE 304 1264 272 1264 WIRE 400 1264 384 1264 WIRE 432 1264 400 1264 WIRE 128 1280 128 1216 WIRE 208 1280 128 1280 WIRE -384 1296 -464 1296 WIRE 176 1312 176 1248 WIRE 480 1312 480 1280 WIRE 480 1312 176 1312 WIRE 128 1344 128 1280 WIRE 400 1344 400 1264 WIRE 400 1344 320 1344 WIRE -96 1360 -96 1328 WIRE 16 1360 16 1136 WIRE 16 1360 -96 1360 WIRE 320 1376 320 1344 WIRE 480 1376 480 1312 WIRE -96 1392 -96 1360 WIRE 400 1392 400 1344 WIRE -624 1440 -624 1200 WIRE -464 1440 -464 1296 WIRE -96 1488 -96 1456 WIRE 128 1488 128 1424 WIRE 128 1488 -96 1488 WIRE 240 1488 240 1296 WIRE 240 1488 128 1488 WIRE 320 1488 320 1456 WIRE 320 1488 240 1488 WIRE 400 1488 400 1456 WIRE 400 1488 320 1488 WIRE 480 1488 480 1456 WIRE 480 1488 400 1488 WIRE 672 1488 672 1280 WIRE 672 1488 480 1488 WIRE 880 1488 672 1488 WIRE 672 1520 672 1488 FLAG -464 896 0 FLAG -624 896 0 FLAG -464 368 0 FLAG -624 368 0 FLAG -464 1440 0 FLAG -624 1440 0 FLAG 176 -896 Vref FLAG -96 -784 Vd FLAG -464 -176 0 FLAG -624 -176 0 FLAG -464 -704 0 FLAG -624 -704 0 FLAG -464 -1232 0 FLAG -624 -1232 0 FLAG 672 1520 0 FLAG 880 1488 C0 FLAG 880 1024 C1 FLAG 880 480 C2 FLAG 880 -48 C3 FLAG 880 -592 C4 FLAG 880 -1120 C5 FLAG 880 -1648 C6 DATAFLAG -96 -1456 "" DATAFLAG -96 -928 "" DATAFLAG -96 -400 "" DATAFLAG -96 144 "" DATAFLAG -96 672 "" DATAFLAG -96 1216 "" SYMBOL voltage 672 112 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 5V SYMBOL res 496 400 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 0.05R SYMBOL nmos 432 112 R0 SYMATTR InstName M1 SYMATTR Value BSC010NE2LSI SYMBOL res 400 176 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL res 336 400 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL res 112 256 R0 SYMATTR InstName R7 SYMATTR Value 1.5k SYMBOL cap 384 320 R0 SYMATTR InstName C1 SYMATTR Value 100n SYMBOL res 112 48 R0 SYMATTR InstName R8 SYMATTR Value 18k SYMBOL diode -112 320 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL res -112 160 R0 SYMATTR InstName R2 SYMATTR Value 470R SYMBOL Opamps\\LT6003 240 192 R0 SYMATTR InstName U2 SYMBOL res -400 112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 390R SYMBOL Optos\\4N25 -288 720 R0 SYMATTR InstName U3 SYMBOL voltage 672 640 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value 5V SYMBOL res 496 928 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R3 SYMATTR Value 0.005R SYMBOL nmos 432 640 R0 SYMATTR InstName M2 SYMATTR Value BSC010NE2LSI SYMBOL res 400 704 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 1k SYMBOL res 336 928 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL res 112 784 R0 SYMATTR InstName R11 SYMATTR Value 1.5k SYMBOL cap 384 848 R0 SYMATTR InstName C2 SYMATTR Value 100n SYMBOL res 112 576 R0 SYMATTR InstName R12 SYMATTR Value 18k SYMBOL diode -112 848 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL res -112 688 R0 SYMATTR InstName R13 SYMATTR Value 470R SYMBOL Opamps\\LT6003 240 720 R0 SYMATTR InstName U4 SYMBOL voltage -624 768 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V5 SYMATTR Value 5 SYMBOL voltage -464 768 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V6 SYMATTR Value PULSE(0 5 0.25 0.001 0.001 0.25 0.5 10000) SYMBOL res -400 640 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R14 SYMATTR Value 390R SYMBOL Optos\\4N25 -288 192 R0 SYMATTR InstName U1 SYMBOL voltage 672 1184 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5V SYMBOL res 496 1472 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R15 SYMATTR Value 0.05R SYMBOL nmos 432 1184 R0 SYMATTR InstName M3 SYMATTR Value BSC010NE2LSI SYMBOL res 400 1248 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R16 SYMATTR Value 1k SYMBOL res 336 1472 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R17 SYMATTR Value 10k SYMBOL res 112 1328 R0 SYMATTR InstName R18 SYMATTR Value 1.5k SYMBOL cap 384 1392 R0 SYMATTR InstName C3 SYMATTR Value 100n SYMBOL res 112 1120 R0 SYMATTR InstName R19 SYMATTR Value 18k SYMBOL diode -112 1392 R0 SYMATTR InstName D3 SYMATTR Value 1N4148 SYMBOL res -112 1232 R0 SYMATTR InstName R20 SYMATTR Value 470R SYMBOL Opamps\\LT6003 240 1264 R0 SYMATTR InstName U5 SYMBOL res -400 1184 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R21 SYMATTR Value 390R SYMBOL Optos\\4N25 -288 1264 R0 SYMATTR InstName U6 SYMBOL voltage 672 -960 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value 5V SYMBOL res 496 -672 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R22 SYMATTR Value 0.05R SYMBOL nmos 432 -960 R0 SYMATTR InstName M4 SYMATTR Value BSC010NE2LSI SYMBOL res 400 -896 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R23 SYMATTR Value 1k SYMBOL res 336 -672 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R24 SYMATTR Value 10k SYMBOL res 112 -816 R0 SYMATTR InstName R25 SYMATTR Value 1.5k SYMBOL cap 384 -752 R0 SYMATTR InstName C4 SYMATTR Value 100n SYMBOL res 112 -1024 R0 SYMATTR InstName R26 SYMATTR Value 18k SYMBOL diode -112 -752 R0 SYMATTR InstName D4 SYMATTR Value 1N4148 SYMBOL res -112 -912 R0 SYMATTR InstName R27 SYMATTR Value 470R SYMBOL Opamps\\LT6003 240 -880 R0 SYMATTR InstName U7 SYMBOL res -400 -960 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R28 SYMATTR Value 390R SYMBOL Optos\\4N25 -288 -352 R0 SYMATTR InstName U8 SYMBOL voltage 672 -432 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V7 SYMATTR Value 5V SYMBOL res 496 -144 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R29 SYMATTR Value 0.005R SYMBOL nmos 432 -432 R0 SYMATTR InstName M5 SYMATTR Value BSC010NE2LSI SYMBOL res 400 -368 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R30 SYMATTR Value 1k SYMBOL res 336 -144 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R31 SYMATTR Value 10k SYMBOL res 112 -288 R0 SYMATTR InstName R32 SYMATTR Value 1.5k SYMBOL cap 384 -224 R0 SYMATTR InstName C5 SYMATTR Value 100n SYMBOL res 112 -496 R0 SYMATTR InstName R33 SYMATTR Value 18k SYMBOL diode -112 -224 R0 SYMATTR InstName D5 SYMATTR Value 1N4148 SYMBOL res -112 -384 R0 SYMATTR InstName R34 SYMATTR Value 470R SYMBOL Opamps\\LT6003 240 -352 R0 SYMATTR InstName U9 SYMBOL res -400 -432 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R35 SYMATTR Value 390R SYMBOL Optos\\4N25 -288 -880 R0 SYMATTR InstName U10 SYMBOL voltage 672 -1488 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V10 SYMATTR Value 5V SYMBOL res 496 -1200 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R36 SYMATTR Value 0.05R SYMBOL nmos 432 -1488 R0 SYMATTR InstName M6 SYMATTR Value BSC010NE2LSI SYMBOL res 400 -1424 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R37 SYMATTR Value 1k SYMBOL res 336 -1200 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R38 SYMATTR Value 10k SYMBOL res 112 -1344 R0 SYMATTR InstName R39 SYMATTR Value 1.5k SYMBOL cap 384 -1280 R0 SYMATTR InstName C6 SYMATTR Value 100n SYMBOL res 112 -1552 R0 SYMATTR InstName R40 SYMATTR Value 18k SYMBOL diode -112 -1280 R0 SYMATTR InstName D6 SYMATTR Value 1N4148 SYMBOL res -112 -1440 R0 SYMATTR InstName R41 SYMATTR Value 470R SYMBOL Opamps\\LT6003 240 -1408 R0 SYMATTR InstName U11 SYMBOL res -400 -1488 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R42 SYMATTR Value 390R SYMBOL Optos\\4N25 -288 -1408 R0 SYMATTR InstName U12 TEXT -512 920 Left 2 !;tran 10 TEXT -656 1000 Left 2 !.tran 10