Version 4
SHEET 1 1304 1268
WIRE 0 -96 -192 -96
WIRE 128 -96 80 -96
WIRE 176 -96 128 -96
WIRE 288 -96 256 -96
WIRE -192 -80 -192 -96
WIRE -192 16 -192 0
WIRE 208 32 208 16
WIRE 128 48 128 -96
WIRE 176 48 128 48
WIRE 288 64 288 -96
WIRE 288 64 240 64
WIRE 352 64 288 64
WIRE -96 80 -192 80
WIRE 32 80 -16 80
WIRE 176 80 32 80
WIRE -192 112 -192 80
WIRE 32 112 32 80
WIRE 128 112 128 48
WIRE 208 112 208 96
WIRE -192 224 -192 192
WIRE 32 224 32 192
WIRE 128 224 128 192
WIRE -192 320 -192 304
WIRE -64 320 -64 304
WIRE -192 416 -192 400
WIRE -64 416 -64 400
WIRE 32 512 -192 512
WIRE 288 512 128 512
WIRE -192 528 -192 512
WIRE 32 544 32 512
WIRE 128 544 128 512
WIRE -192 624 -192 608
WIRE 208 640 208 624
WIRE 128 656 128 624
WIRE 176 656 128 656
WIRE 288 672 288 512
WIRE 288 672 240 672
WIRE 352 672 288 672
WIRE -96 688 -192 688
WIRE 32 688 32 624
WIRE 32 688 -16 688
WIRE 176 688 32 688
WIRE -192 720 -192 688
WIRE 128 720 128 656
WIRE 208 720 208 704
WIRE -192 832 -192 800
WIRE 128 832 128 800
WIRE 288 928 128 928
WIRE 992 928 832 928
WIRE 32 960 32 928
WIRE 128 960 128 928
WIRE 736 960 736 928
WIRE 832 960 832 928
WIRE 208 1056 208 1040
WIRE 912 1056 912 1040
WIRE 128 1072 128 1040
WIRE 176 1072 128 1072
WIRE 832 1072 832 1040
WIRE 880 1072 832 1072
WIRE 288 1088 288 928
WIRE 288 1088 240 1088
WIRE 352 1088 288 1088
WIRE 992 1088 992 928
WIRE 992 1088 944 1088
WIRE 1024 1088 992 1088
WIRE 1136 1088 1104 1088
WIRE 1168 1088 1136 1088
WIRE -96 1104 -192 1104
WIRE 32 1104 32 1040
WIRE 32 1104 -16 1104
WIRE 176 1104 32 1104
WIRE 608 1104 512 1104
WIRE 736 1104 736 1040
WIRE 736 1104 688 1104
WIRE 880 1104 736 1104
WIRE -192 1136 -192 1104
WIRE 128 1136 128 1072
WIRE 208 1136 208 1120
WIRE 512 1136 512 1104
WIRE 832 1136 832 1072
WIRE 912 1136 912 1120
WIRE 1136 1136 1136 1088
WIRE -192 1248 -192 1216
WIRE 128 1248 128 1216
WIRE 512 1248 512 1216
WIRE 832 1248 832 1216
WIRE 1136 1248 1136 1200
FLAG 32 224 0
FLAG 128 224 0
FLAG -192 16 0
FLAG -192 224 0
FLAG 352 64 out1
FLAG -192 416 0
FLAG -64 416 0
FLAG -192 304 +V
FLAG 208 16 +V
FLAG 208 112 -V
FLAG -64 304 -V
FLAG -192 80 in
FLAG -192 -96 ref1
FLAG -192 624 0
FLAG -192 832 0
FLAG 352 672 out2
FLAG 208 624 +V
FLAG 208 720 -V
FLAG -192 688 in2
FLAG 128 832 0
FLAG -192 512 ref2
FLAG -192 1248 0
FLAG 352 1088 out3
FLAG 208 1040 +V
FLAG -192 1104 in3
FLAG 128 1248 0
FLAG 512 1248 0
FLAG 1168 1088 out4
IOPIN 1168 1088 Out
FLAG 912 1040 +V
FLAG 512 1104 in4
FLAG 832 1248 0
FLAG 1136 1248 0
FLAG 912 1136 0
FLAG 32 928 +V
FLAG 736 928 +V
FLAG 208 1136 -V
SYMBOL Misc\\EuropeanResistor 16 96 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 0 64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 208 64 R0
SYMATTR InstName U1
SYMBOL Misc\\EuropeanResistor 112 96 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 96 -112 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 272 -112 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 5k
SYMBOL voltage -192 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 2 100)
SYMBOL voltage -192 -96 R0
SYMATTR InstName V2
SYMATTR Value -4
SYMBOL voltage -192 304 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage -64 304 R0
SYMATTR InstName V4
SYMATTR Value -5
SYMBOL Misc\\EuropeanResistor 0 672 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 208 672 R0
SYMATTR InstName U2
SYMBOL Misc\\EuropeanResistor 16 528 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL voltage -192 704 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value SINE(0 2 100)
SYMBOL voltage -192 512 R0
SYMATTR InstName V6
SYMATTR Value 2
SYMBOL Misc\\EuropeanResistor 112 528 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 112 704 R0
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 0 1088 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 208 1088 R0
SYMATTR InstName U3
SYMBOL Misc\\EuropeanResistor 16 944 R0
SYMATTR InstName R11
SYMATTR Value 25k
SYMBOL voltage -192 1120 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V7
SYMATTR Value SINE(0 2 100)
SYMBOL Misc\\EuropeanResistor 112 944 R0
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 112 1120 R0
SYMATTR InstName R13
SYMATTR Value 25k
SYMBOL Misc\\EuropeanResistor 704 1088 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 10k
SYMBOL Opamps\\UniversalOpamp2 912 1088 R0
SYMATTR InstName U4
SYMBOL Misc\\EuropeanResistor 720 944 R0
SYMATTR InstName R15
SYMATTR Value 20k
SYMBOL voltage 512 1120 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V9
SYMATTR Value SINE(0 2 100)
SYMBOL Misc\\EuropeanResistor 816 944 R0
SYMATTR InstName R16
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor 816 1120 R0
SYMATTR InstName R17
SYMATTR Value 25k
SYMBOL cap 1120 1136 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL Misc\\EuropeanResistor 1120 1072 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R18
SYMATTR Value 220
TEXT -216 -248 Left 2 !.tran 0 20m 0 10u
TEXT -216 -216 Left 2 !.options plotwinsize=0
TEXT -168 928 Left 3 ;+V = 5V