Version 4
SHEET 1 2324 1144
WIRE -352 -112 -352 -160
WIRE -192 -112 -352 -112
WIRE -352 -80 -352 -112
WIRE -192 32 -192 -112
WIRE -224 48 -432 48
WIRE 320 48 272 48
WIRE 480 48 400 48
WIRE 592 48 560 48
WIRE -64 64 -160 64
WIRE 48 64 -64 64
WIRE -352 80 -352 0
WIRE -288 80 -352 80
WIRE -224 80 -288 80
WIRE 48 96 48 64
WIRE 48 96 -32 96
WIRE 128 96 48 96
WIRE 912 96 688 96
WIRE 1168 96 912 96
WIRE -192 128 -192 96
WIRE -32 128 -32 96
WIRE 128 128 128 96
WIRE -352 144 -352 80
WIRE 272 192 272 48
WIRE 304 192 272 192
WIRE 592 192 592 48
WIRE 592 192 560 192
WIRE -32 256 -32 208
WIRE 32 256 -32 256
WIRE 304 256 32 256
WIRE 640 256 640 240
WIRE 640 256 560 256
WIRE 1008 288 912 288
WIRE 1168 288 1072 288
WIRE -352 320 -352 224
WIRE 128 320 128 208
WIRE 176 320 128 320
WIRE 304 320 176 320
WIRE 688 320 688 96
WIRE 688 320 560 320
WIRE -32 352 -32 256
WIRE 128 352 128 320
WIRE 800 352 768 352
WIRE 912 352 912 288
WIRE 912 352 880 352
WIRE 944 352 912 352
WIRE 1072 352 1024 352
WIRE 1168 352 1168 288
WIRE 1168 352 1152 352
WIRE 304 384 256 384
WIRE 640 384 560 384
WIRE 688 384 640 384
WIRE -32 480 -32 432
WIRE 32 480 -32 480
WIRE 48 480 32 480
WIRE 128 480 128 432
WIRE 128 480 48 480
WIRE 976 480 976 464
WIRE 48 496 48 480
WIRE 912 496 912 352
WIRE 944 496 912 496
WIRE 1168 512 1168 352
WIRE 1168 512 1008 512
WIRE 1216 512 1168 512
WIRE 944 528 304 528
WIRE 976 560 976 544
WIRE -432 608 -432 48
WIRE -352 608 -432 608
WIRE 48 608 48 576
WIRE 48 608 -352 608
WIRE 192 608 48 608
WIRE 304 608 304 528
WIRE 304 608 192 608
WIRE 432 608 400 608
WIRE 544 608 512 608
WIRE 576 608 544 608
WIRE 688 608 688 384
WIRE 688 608 656 608
WIRE 48 624 48 608
WIRE 976 720 976 704
WIRE 48 736 48 704
WIRE 624 752 624 736
WIRE 544 768 544 608
WIRE 592 768 544 768
WIRE 688 784 688 608
WIRE 688 784 656 784
WIRE 304 800 304 608
WIRE 592 800 304 800
WIRE 624 832 624 816
WIRE 976 832 976 800
FLAG 768 352 0
FLAG -352 320 0
FLAG 400 608 0
FLAG 256 384 0
FLAG 640 240 12V
IOPIN 640 240 In
FLAG 624 736 12V
IOPIN 624 736 In
FLAG -352 -160 12V
IOPIN -352 -160 In
FLAG 976 832 0
FLAG 976 704 12V
FLAG -192 128 0
FLAG 624 832 0
FLAG 976 560 0
FLAG 976 464 12V
IOPIN 976 464 In
FLAG 48 736 0
DATAFLAG -64 64 ""
DATAFLAG -352 608 ""
DATAFLAG -288 80 ""
DATAFLAG 640 384 ""
DATAFLAG 912 96 ""
DATAFLAG 32 256 ""
DATAFLAG 176 320 ""
DATAFLAG 1216 512 ""
DATAFLAG 192 608 ""
DATAFLAG 32 480 ""
SYMBOL LT1167 432 288 R0
SYMATTR InstName U2
SYMBOL cap 1008 304 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value 1µ
SYMATTR SpiceLine V=10 Irms=0 Rser=0.009 Lser=0 mfg="TDK" pn="C1608X5RIA105K" type="X5R"
SYMBOL EuropeanResistor -368 -96 R0
SYMATTR InstName R13
SYMATTR Value 392K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL EuropeanResistor -48 112 R0
SYMATTR InstName R2
SYMATTR Value 5K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL EuropeanResistor -48 336 R0
SYMATTR InstName R4
SYMATTR Value 5K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL EuropeanResistor 112 112 R0
SYMATTR InstName R3
SYMATTR Value 5K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL EuropeanResistor 112 336 R0
SYMATTR InstName R5
SYMATTR Value 5K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL EuropeanResistor 416 624 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 51k
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL EuropeanResistor 560 624 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL EuropeanResistor 1056 368 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 180K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL EuropeanResistor 304 64 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 825
SYMBOL EuropeanResistor 464 64 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 12
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL EuropeanResistor 784 368 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL EuropeanResistor 32 592 M180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R14
SYMATTR Value 1K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL voltage -352 128 R0
SYMATTR InstName V1
SYMATTR Value 1.25
SYMBOL Opamps\\UniversalOpamp2 -192 64 R0
SYMATTR InstName U3
SYMBOL Opamps\\UniversalOpamp2 624 784 R0
SYMATTR InstName U4
SYMBOL Opamps\\UniversalOpamp2 976 512 R0
SYMATTR InstName U5
SYMBOL voltage 976 704 R0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL EuropeanResistor 928 368 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 50k
SYMBOL EuropeanResistor 32 608 R0
SYMATTR InstName Rset
SYMATTR Value 10k
SYMATTR SpiceLine tol=1 pwr=0.1
TEXT 1200 48 Left 2 ;TO\n4-DIGIT\n4 DVM
TEXT 992 216 Left 2 ;CALIBRATION
TEXT 1152 216 Left 2 ;ADJUST
TEXT -24 -40 Left 2 ;LUCAS NOVA SENSOR
TEXT -24 -8 Left 2 ;NPC-1220-015A-3L
TEXT -96 -176 Left 6 ;Vollbrücke
TEXT -400 728 Left 2 !.op
TEXT -400 776 Left 2 !.options gmin=1e-10