Version 4
SHEET 1 1584 1336
WIRE 784 -288 -112 -288
WIRE 688 -240 624 -240
WIRE 784 -240 784 -288
WIRE 784 -240 752 -240
WIRE 624 -144 624 -240
WIRE 688 -144 624 -144
WIRE 784 -144 784 -240
WIRE 784 -144 752 -144
WIRE 624 -112 624 -144
WIRE -224 0 -224 -48
WIRE 96 16 64 16
WIRE 224 16 176 16
WIRE 400 16 352 16
WIRE 512 16 480 16
WIRE 624 16 624 -32
WIRE 672 16 624 16
WIRE 784 16 784 -144
WIRE 784 16 752 16
WIRE -224 112 -224 80
WIRE -224 112 -288 112
WIRE -288 144 -288 112
WIRE 128 144 128 96
WIRE -112 160 -112 -288
WIRE -32 160 -112 160
WIRE 64 160 64 16
WIRE 64 160 48 160
WIRE 96 160 64 160
WIRE 416 160 416 112
WIRE 224 176 224 16
WIRE 224 176 160 176
WIRE 256 176 224 176
WIRE 352 176 352 16
WIRE 352 176 336 176
WIRE 384 176 352 176
WIRE 688 176 688 128
WIRE -224 192 -224 112
WIRE 96 192 64 192
WIRE 512 192 512 16
WIRE 512 192 448 192
WIRE 528 192 512 192
WIRE 624 192 624 16
WIRE 624 192 608 192
WIRE 656 192 624 192
WIRE 384 208 352 208
WIRE 784 208 784 16
WIRE 784 208 720 208
WIRE 656 224 624 224
WIRE -112 256 -112 160
WIRE -48 256 -112 256
WIRE 64 256 64 192
WIRE 64 256 32 256
WIRE 224 272 224 176
WIRE 240 272 224 272
WIRE 352 272 352 208
WIRE 352 272 320 272
WIRE 624 272 624 224
WIRE 128 304 128 208
WIRE 64 320 64 256
WIRE 416 320 416 224
WIRE 352 336 352 272
WIRE 688 336 688 240
WIRE -224 352 -224 272
WIRE 64 416 64 384
WIRE 352 432 352 400
WIRE 512 432 512 192
WIRE 560 432 512 432
WIRE 672 432 640 432
WIRE 720 432 672 432
WIRE 832 432 800 432
WIRE 224 528 224 272
WIRE 560 528 224 528
WIRE 672 528 672 432
WIRE 672 528 640 528
WIRE 736 576 736 528
WIRE 672 592 672 528
WIRE 704 592 672 592
WIRE 832 608 832 432
WIRE 832 608 768 608
WIRE 992 608 832 608
WIRE 704 624 672 624
WIRE 672 672 672 624
WIRE 736 736 736 640
WIRE -112 832 -112 256
WIRE 560 832 -112 832
WIRE 672 832 640 832
WIRE 720 832 672 832
WIRE 832 832 800 832
WIRE 224 928 224 528
WIRE 560 928 224 928
WIRE 672 928 672 832
WIRE 672 928 640 928
WIRE 736 976 736 928
WIRE 672 992 672 928
WIRE 704 992 672 992
WIRE 832 1008 832 832
WIRE 832 1008 768 1008
WIRE 1008 1008 832 1008
WIRE 704 1024 672 1024
WIRE 672 1072 672 1024
WIRE 736 1136 736 1040
WIRE 224 1248 224 928
WIRE 1024 1248 224 1248
FLAG -288 144 0
FLAG -224 -48 V+
FLAG 128 96 V+
FLAG 128 304 V-
FLAG -224 352 V-
FLAG 64 416 0
FLAG 416 112 V+
FLAG 416 320 V-
FLAG 352 432 0
FLAG 688 128 V+
FLAG 688 336 V-
FLAG 624 272 0
FLAG 736 528 V+
FLAG 736 736 V-
FLAG 672 672 0
FLAG 736 928 V+
FLAG 736 1136 V-
FLAG 672 1072 0
FLAG 1024 1248 U
IOPIN 1024 1248 Out
FLAG 992 608 V
IOPIN 992 608 Out
FLAG 1008 1008 W
IOPIN 1008 1008 Out
SYMBOL Opamps\\LT1001 128 112 R0
SYMATTR InstName U1
SYMBOL voltage -224 -16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL voltage -224 176 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12V
SYMBOL res 64 144 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Opamps\\LT1001 416 128 R0
SYMATTR InstName U2
SYMBOL res 352 160 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL Opamps\\LT1001 688 144 R0
SYMATTR InstName U3
SYMBOL res 768 0 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 13k
SYMBOL res 624 176 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL diode 752 -160 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D1
SYMBOL diode 688 -224 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D2
SYMBOL res 608 -128 R0
SYMATTR InstName R5
SYMATTR Value 33k
SYMBOL res 192 0 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res 496 0 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res 48 240 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R8
SYMATTR Value 9549
SYMBOL res 336 256 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R9
SYMATTR Value 9549
SYMBOL cap 48 320 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap 336 336 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL res 656 416 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R10
SYMATTR Value 11k54
SYMBOL res 656 512 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R11
SYMATTR Value 20k
SYMBOL Opamps\\LT1001 736 544 R0
SYMATTR InstName U5
SYMBOL res 816 416 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res 656 816 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R13
SYMATTR Value 11k54
SYMBOL res 656 912 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R14
SYMATTR Value 20k
SYMBOL Opamps\\LT1001 736 944 R0
SYMATTR InstName U4
SYMBOL res 816 816 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R15
SYMATTR Value 10k
TEXT -192 944 Left 0 !.tran 0 0.9s 0.1s 1ms