Version 4
SHEET 1 880 680
WIRE -32 16 -208 16
WIRE 176 16 -32 16
WIRE 176 32 176 16
WIRE -208 64 -208 16
WIRE -32 64 -32 16
WIRE 176 176 176 112
WIRE 256 176 176 176
WIRE 464 192 320 192
WIRE 592 192 464 192
WIRE -32 208 -32 144
WIRE 256 208 -32 208
WIRE -32 240 -32 208
WIRE 176 304 176 176
WIRE 256 304 176 304
WIRE 464 304 464 192
WIRE 464 304 336 304
FLAG -384 128 0
FLAG -208 144 0
FLAG -384 48 Vcc
FLAG 288 160 Vcc
FLAG 288 224 0
FLAG 464 192 Vout
FLAG -32 320 0
SYMBOL voltage -384 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -208 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vex
SYMATTR Value 2
SYMBOL EXTRA\\ExtraOpamps\\LM358_NS 288 192 R0
SYMATTR InstName U1
SYMBOL res 160 16 R0
SYMATTR InstName R_reference
SYMATTR Value 100k
SYMATTR SpiceLine tol=0.1
SYMBOL res 352 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName VOC
SYMATTR Value 100k
SYMBOL res -48 48 R0
SYMATTR InstName R1
SYMATTR Value 100k
SYMATTR SpiceLine tol=0.1
SYMBOL res -48 224 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMATTR SpiceLine tol=0.1
TEXT -434 292 Left 2 !.tran 1
TEXT -200 184 Left 2 ;Vex/2 = virtual Ground = ADC Vref
TEXT -240 -16 Left 2 ;excitation Voltage
TEXT 544 216 Left 2 ;~35mV to Vref
TEXT 200 16 Left 2 ;maximaler zu messender Widerstand; Messbereich
TEXT 216 368 Left 2 ;Sensor 10k to 100k