Version 4 SHEET 1 880 680 WIRE 16 -64 -224 -64 WIRE 112 -64 16 -64 WIRE 192 -64 112 -64 WIRE 16 0 16 -64 WIRE 112 0 112 -64 WIRE 144 80 112 80 WIRE 224 80 144 80 WIRE -224 128 -224 -64 WIRE 192 128 192 -64 WIRE 144 144 144 80 WIRE 160 144 144 144 WIRE 304 160 304 80 WIRE 304 160 224 160 WIRE 464 160 304 160 WIRE 16 176 16 80 WIRE 16 176 -64 176 WIRE 128 176 16 176 WIRE 160 176 128 176 WIRE -64 192 -64 176 WIRE 464 208 464 160 WIRE 128 224 128 176 WIRE 224 224 128 224 WIRE 304 224 304 160 WIRE 128 240 128 224 WIRE -224 352 -224 208 WIRE -64 352 -64 272 WIRE -64 352 -224 352 WIRE 64 352 -64 352 WIRE 128 352 128 320 WIRE 128 352 64 352 WIRE 192 352 192 192 WIRE 192 352 128 352 WIRE 464 352 464 288 WIRE 464 352 192 352 WIRE 64 416 64 352 FLAG 64 416 0 SYMBOL res 96 -16 R0 SYMATTR InstName R1 SYMATTR Value 39k SYMBOL res 0 -16 R0 SYMATTR InstName R2 SYMATTR Value 3.9k SYMBOL res -80 176 R0 SYMATTR InstName R3 SYMATTR Value {Pt100} SYMBOL res 112 224 R0 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL res 320 64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 27k SYMBOL res 320 208 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 107k SYMBOL voltage -224 112 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR SpiceLine Rser=10 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL res 448 192 R0 SYMATTR InstName R7 SYMATTR Value 1000000 SYMBOL Opamps\\LT1056 192 96 R0 SYMATTR InstName U2 TEXT -216 -136 Left 2 !.PARAM Pt100 {100*(1+3.85e-3*temp)} TEXT -216 -96 Left 2 !.step temp LIST 0 20 100