Version 4
SHEET 1 880 1284
WIRE 496 -16 144 -16
WIRE 144 16 144 -16
WIRE 272 80 272 64
WIRE 144 128 144 96
WIRE 240 128 144 128
WIRE 496 160 496 -16
WIRE 496 160 384 160
WIRE 544 160 496 160
WIRE 560 160 544 160
WIRE -192 192 -240 192
WIRE -64 192 -112 192
WIRE 32 192 -64 192
WIRE 240 192 32 192
WIRE -240 224 -240 192
WIRE -64 224 -64 192
WIRE 32 224 32 192
WIRE 144 224 144 128
WIRE 336 256 336 240
WIRE 272 272 272 240
WIRE 304 272 304 240
WIRE 304 272 272 272
WIRE -240 336 -240 304
WIRE 144 336 144 304
WIRE -64 352 -64 304
WIRE 32 384 32 304
WIRE 208 384 32 384
WIRE 272 384 272 272
WIRE 272 384 208 384
WIRE 272 400 272 384
WIRE 448 416 448 384
WIRE 272 528 272 480
WIRE 448 528 448 496
FLAG 144 336 0
FLAG -240 336 0
FLAG 272 64 +5V
FLAG 448 528 0
FLAG 448 384 +5V
FLAG 544 160 Ua
FLAG -240 192 Ue
FLAG 336 256 0
FLAG -64 352 0
FLAG 272 528 0
FLAG 208 384 Uref
SYMBOL Misc\\EuropeanResistor 128 0 R0
SYMATTR InstName R5
SYMATTR Value 30k
SYMBOL Misc\\EuropeanResistor 128 208 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -208 208 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -80 208 R0
SYMATTR InstName R3
SYMATTR Value 1G
SYMBOL Misc\\EuropeanResistor 16 208 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL voltage -240 208 R0
SYMATTR InstName V1
SYMATTR Value 0.1
SYMBOL Misc\\battery 448 400 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL Opamps\\LT1635 272 160 R0
SYMATTR InstName U2
SYMBOL Misc\\EuropeanResistor 256 384 R0
SYMATTR InstName R6
SYMATTR Value 1k
TEXT -248 528 Left 2 !.dc V1 0 1 .1
TEXT -232 -264 Left 2 ;Ue1=0 Ua1=0.4 Ue2=1 Ua2=2.4 \nR1=10k   v=4  Uref=0.2\n \nR5 = (v-1)*R4\n \nR2 = R1*Uref*(Ua1-Ua2)/(Ua2*Ue1-Ua1*Ue2)\n \nR3 = Ua1*R1*R2/(v*Ue1*R2+v*Uref*R1-Ua1*R1-Ua1*R2)
LINE Normal -22 230 -100 302
LINE Normal -26 306 -97 233