Version 4
SHEET 1 2100 680
WIRE 1152 -1088 1072 -1088
WIRE 1296 -1088 1232 -1088
WIRE 1344 -1088 1296 -1088
WIRE 1456 -1088 1424 -1088
WIRE 1680 -992 1680 -1008
WIRE 1456 -928 1456 -1088
WIRE 1552 -928 1456 -928
WIRE 1920 -928 1808 -928
WIRE 2064 -928 1920 -928
WIRE 1072 -912 1072 -1088
WIRE 1152 -912 1072 -912
WIRE 1296 -912 1296 -1088
WIRE 1296 -912 1216 -912
WIRE 1552 -864 1488 -864
WIRE 1952 -864 1808 -864
WIRE 2064 -864 1952 -864
WIRE 1072 -816 1072 -912
WIRE 1152 -816 1072 -816
WIRE 1296 -816 1296 -912
WIRE 1296 -816 1232 -816
WIRE 1840 -800 1808 -800
WIRE 1552 -736 1520 -736
WIRE 1840 -736 1808 -736
WIRE 848 -688 832 -688
WIRE 944 -688 928 -688
WIRE 960 -688 944 -688
WIRE 1072 -688 1072 -816
WIRE 1152 -688 1072 -688
WIRE 1072 -672 1072 -688
WIRE 1296 -672 1296 -816
WIRE 1296 -672 1216 -672
WIRE 832 -656 832 -688
WIRE 944 -656 944 -688
WIRE 1152 -656 1136 -656
WIRE 1680 -640 1680 -672
WIRE 1456 -608 1456 -928
WIRE 1840 -608 1456 -608
WIRE 832 -560 832 -576
WIRE 848 -560 832 -560
WIRE 944 -560 944 -576
WIRE 944 -560 928 -560
WIRE 1136 -560 1136 -656
WIRE 1136 -560 944 -560
WIRE 1232 -560 1136 -560
WIRE 1328 -560 1232 -560
WIRE 1488 -560 1488 -864
WIRE 1488 -560 1408 -560
WIRE 1872 -560 1488 -560
WIRE 944 -544 944 -560
WIRE 1184 -528 1184 -640
WIRE 1184 -528 1136 -528
WIRE 1680 -528 1680 -544
WIRE 832 -512 832 -560
WIRE 1136 -512 1136 -528
WIRE 1184 -480 1184 -528
WIRE 1232 -464 1232 -560
WIRE 1232 -464 1216 -464
WIRE 1552 -464 1456 -464
WIRE 1840 -464 1840 -608
WIRE 1840 -464 1808 -464
WIRE 1072 -448 1072 -592
WIRE 1152 -448 1072 -448
WIRE 1296 -432 1296 -672
WIRE 1296 -432 1216 -432
WIRE 1552 -400 1488 -400
WIRE 1872 -400 1872 -560
WIRE 1872 -400 1808 -400
WIRE 1840 -336 1808 -336
WIRE 1072 -272 1072 -448
WIRE 1520 -272 1520 -736
WIRE 1520 -272 1072 -272
WIRE 1552 -272 1520 -272
WIRE 1840 -272 1808 -272
WIRE 1680 -176 1680 -208
WIRE 1488 -144 1488 -400
WIRE 1920 -144 1920 -928
WIRE 1920 -144 1488 -144
WIRE 1456 -112 1456 -464
WIRE 1952 -112 1952 -864
WIRE 1952 -112 1456 -112
FLAG 1680 -640 0
FLAG 1680 -176 0
FLAG 1136 -512 0
FLAG 832 -512 0
FLAG 960 -688 +10
FLAG 944 -544 +5
FLAG 1184 -704 +10
FLAG 1184 -416 +10
FLAG 1680 -1008 +10
FLAG 1680 -544 +10
SYMBOL ind 1136 -1072 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10m
SYMBOL cap 1216 -928 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1.6µ
SYMBOL res 1248 -832 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL Opamps\\LTC1043 1680 -832 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1013 1184 -736 R0
SYMATTR InstName U2
SYMBOL Opamps\\LT1013 1184 -384 R180
SYMATTR InstName U3
SYMBOL res 1088 -688 M0
SYMATTR InstName R3
SYMATTR Value 20k
SYMBOL res 1440 -1104 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 1424 -576 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL Opamps\\LTC1043 1680 -368 R0
SYMATTR InstName U4
SYMBOL cap 1824 -800 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL cap 1824 -336 R0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL voltage 832 -672 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 832 -672 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 20
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 928 -672 R0
SYMATTR InstName R7
SYMATTR Value 50
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 944 -576 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 50
SYMATTR SpiceLine tol=1 pwr=0.1
TEXT 744 -152 Left 2 !.tran 100m startup