Version 4
SHEET 1 1356 680
WIRE 64 -16 -48 -16
WIRE 256 -16 64 -16
WIRE 320 -16 256 -16
WIRE 448 -16 320 -16
WIRE 752 -16 608 -16
WIRE 800 -16 752 -16
WIRE 912 -16 800 -16
WIRE 1024 -16 912 -16
WIRE -176 16 -176 -16
WIRE -48 16 -48 -16
WIRE 64 16 64 -16
WIRE 448 16 448 -16
WIRE 1024 16 1024 -16
WIRE 608 128 608 -16
WIRE 1024 128 1024 96
WIRE 176 144 176 112
WIRE 848 144 848 112
WIRE 64 160 64 96
WIRE 96 160 64 160
WIRE 144 160 96 160
WIRE 752 160 752 -16
WIRE 816 160 752 160
WIRE 256 176 256 -16
WIRE 256 176 208 176
WIRE 912 176 912 -16
WIRE 912 176 880 176
WIRE 1024 176 1024 128
WIRE -176 192 -176 96
WIRE -48 192 -48 96
WIRE -48 192 -176 192
WIRE -16 192 -48 192
WIRE 144 192 -16 192
WIRE 784 192 752 192
WIRE 816 192 784 192
WIRE -320 240 -320 208
WIRE 176 240 176 208
WIRE 848 240 848 208
WIRE 320 256 288 256
WIRE 448 256 448 96
WIRE 448 256 400 256
WIRE 464 256 448 256
WIRE 496 256 464 256
WIRE 608 256 608 192
WIRE 608 256 576 256
WIRE 624 256 608 256
WIRE 640 256 624 256
WIRE 752 256 752 192
WIRE 752 256 720 256
WIRE 1024 272 1024 256
WIRE 1152 272 1024 272
WIRE 1184 272 1152 272
WIRE 1296 272 1248 272
WIRE -48 288 -48 192
WIRE 1024 288 1024 272
WIRE 1296 288 1296 272
WIRE 64 304 64 160
WIRE 288 304 288 256
WIRE 448 304 448 256
WIRE 752 304 752 256
WIRE -320 400 -320 320
WIRE -48 400 -48 368
WIRE 64 400 64 368
WIRE 288 400 288 368
WIRE 448 400 448 368
WIRE 752 400 752 368
WIRE 1024 400 1024 368
WIRE 1296 400 1296 368
FLAG 64 400 0
FLAG -48 400 0
FLAG 288 400 0
FLAG 448 400 0
FLAG 752 400 0
FLAG 1024 400 0
FLAG 848 240 0
FLAG 176 240 0
FLAG -320 400 0
FLAG -320 208 +UB1
FLAG 176 112 +UB1
FLAG 848 112 +UB1
FLAG -176 -16 +UB1
FLAG 1296 400 0
FLAG -16 192 1
FLAG 96 160 2
FLAG 320 -16 3
FLAG 464 256 4
FLAG 784 192 6
FLAG 800 -16 7
FLAG 1024 128 8
FLAG 1152 272 9
FLAG 1296 272 out
FLAG 624 256 5
SYMBOL Opamps\\opamp2 176 112 R0
SYMATTR InstName U1
SYMATTR Value TLC272
SYMBOL Opamps\\opamp2 848 112 R0
SYMATTR InstName U2
SYMATTR Value TLC272
SYMBOL Misc\\EuropeanResistor -192 0 R0
SYMATTR InstName R15
SYMATTR Value 120k
SYMBOL Misc\\EuropeanResistor -64 0 R0
SYMATTR InstName R16
SYMATTR Value 100k
SYMBOL Misc\\EuropeanResistor 48 0 R0
SYMATTR InstName R18
SYMATTR Value 12k
SYMBOL Misc\\EuropeanResistor -64 272 R0
SYMATTR InstName R17
SYMATTR Value 100k
SYMBOL Misc\\EuropeanResistor 432 0 R0
SYMATTR InstName R20
SYMATTR Value 220k
SYMBOL Misc\\EuropeanResistor 304 272 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R19
SYMATTR Value 56k
SYMBOL Misc\\EuropeanResistor 480 272 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R21
SYMATTR Value 47k
SYMBOL Misc\\EuropeanResistor 624 272 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R22
SYMATTR Value 47k
SYMBOL Misc\\EuropeanResistor 1008 0 R0
SYMATTR InstName R23
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor 1008 160 R0
SYMATTR InstName R24a
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor 1008 272 R0
SYMATTR InstName R24b
SYMATTR Value 9k
SYMBOL cap 272 304 R0
SYMATTR InstName C14
SYMATTR Value 100n
SYMBOL cap 432 304 R0
SYMATTR InstName C10
SYMATTR Value 15n
SYMBOL cap 592 128 R0
SYMATTR InstName C11
SYMATTR Value 27n
SYMBOL cap 736 304 R0
SYMATTR InstName C12
SYMATTR Value 330p
SYMBOL cap 48 304 R0
SYMATTR InstName C9
SYMATTR Value 56n
SYMBOL cap 1184 288 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C13
SYMATTR Value 100n
SYMBOL Misc\\battery -320 224 R0
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL Misc\\EuropeanResistor 1280 272 R0
SYMATTR InstName RL
SYMATTR Value 10k
TEXT -336 -176 Left 2 !.inc TLC272.101
TEXT -336 -144 Left 2 !.tran 0 50m 45m 1u
TEXT -336 -112 Left 2 !.options plotwinsize=0
RECTANGLE Normal 1120 384 960 160 2