Version 4
SHEET 1 2300 680
WIRE -320 -704 -336 -704
WIRE -304 -704 -320 -704
WIRE 144 -704 96 -704
WIRE 272 -704 224 -704
WIRE 496 -704 480 -704
WIRE 592 -704 576 -704
WIRE 640 -704 592 -704
WIRE 768 -704 720 -704
WIRE 1376 -704 1360 -704
WIRE 1472 -704 1456 -704
WIRE 1520 -704 1472 -704
WIRE 1648 -704 1600 -704
WIRE 1872 -704 1856 -704
WIRE 1968 -704 1952 -704
WIRE 2016 -704 1968 -704
WIRE 2144 -704 2096 -704
WIRE 1360 -688 1360 -704
WIRE -320 -672 -320 -704
WIRE 176 -624 160 -624
WIRE 192 -624 176 -624
WIRE 672 -624 656 -624
WIRE 688 -624 672 -624
WIRE 1552 -624 1536 -624
WIRE 1568 -624 1552 -624
WIRE 2048 -624 2032 -624
WIRE 2064 -624 2048 -624
WIRE 176 -608 176 -624
WIRE 672 -608 672 -624
WIRE 1552 -608 1552 -624
WIRE 2048 -608 2048 -624
WIRE 96 -592 96 -704
WIRE 144 -592 96 -592
WIRE 592 -592 592 -704
WIRE 640 -592 592 -592
WIRE 1472 -592 1472 -704
WIRE 1520 -592 1472 -592
WIRE 1968 -592 1968 -704
WIRE 2016 -592 1968 -592
WIRE 272 -576 272 -704
WIRE 272 -576 208 -576
WIRE 352 -576 272 -576
WIRE 768 -576 768 -704
WIRE 768 -576 704 -576
WIRE 848 -576 768 -576
WIRE 1648 -576 1648 -704
WIRE 1648 -576 1584 -576
WIRE 1728 -576 1648 -576
WIRE 2144 -576 2144 -704
WIRE 2144 -576 2080 -576
WIRE 2224 -576 2144 -576
WIRE -320 -560 -320 -592
WIRE -240 -560 -320 -560
WIRE 0 -560 -16 -560
WIRE 144 -560 80 -560
WIRE 640 -560 592 -560
WIRE 1376 -560 1328 -560
WIRE 1520 -560 1456 -560
WIRE 2016 -560 1968 -560
WIRE -240 -544 -240 -560
WIRE 352 -544 352 -576
WIRE 848 -544 848 -576
WIRE 1728 -544 1728 -576
WIRE 2224 -544 2224 -576
WIRE -320 -528 -320 -560
WIRE 176 -528 176 -544
WIRE 176 -528 160 -528
WIRE 192 -528 176 -528
WIRE 592 -528 592 -560
WIRE 672 -528 672 -544
WIRE 672 -528 656 -528
WIRE 688 -528 672 -528
WIRE 1552 -528 1552 -544
WIRE 1552 -528 1536 -528
WIRE 1568 -528 1552 -528
WIRE 1968 -528 1968 -560
WIRE 2048 -528 2048 -544
WIRE 2048 -528 2032 -528
WIRE 2064 -528 2048 -528
WIRE 352 -432 352 -464
WIRE 848 -432 848 -464
WIRE 1728 -432 1728 -464
WIRE 2224 -432 2224 -464
WIRE -320 -416 -320 -448
WIRE -320 -416 -336 -416
WIRE -304 -416 -320 -416
WIRE 592 -416 592 -448
WIRE 1968 -416 1968 -448
WIRE -16 -352 -16 -560
WIRE -16 -352 -112 -352
WIRE 480 -352 480 -704
WIRE 480 -352 -16 -352
WIRE 1328 -352 1328 -560
WIRE 1328 -352 1232 -352
WIRE 1856 -352 1856 -704
WIRE 1856 -352 1328 -352
WIRE -112 -320 -112 -352
WIRE 1232 -320 1232 -352
WIRE 144 -256 96 -256
WIRE 272 -256 224 -256
WIRE 480 -256 480 -352
WIRE 496 -256 480 -256
WIRE 592 -256 576 -256
WIRE 640 -256 592 -256
WIRE 768 -256 720 -256
WIRE 1376 -256 1360 -256
WIRE 1472 -256 1456 -256
WIRE 1520 -256 1472 -256
WIRE 1648 -256 1600 -256
WIRE 1856 -256 1856 -352
WIRE 1872 -256 1856 -256
WIRE 1968 -256 1952 -256
WIRE 2016 -256 1968 -256
WIRE 2144 -256 2096 -256
WIRE 1360 -240 1360 -256
WIRE -112 -208 -112 -240
WIRE 1232 -208 1232 -240
WIRE 176 -176 160 -176
WIRE 192 -176 176 -176
WIRE 672 -176 656 -176
WIRE 688 -176 672 -176
WIRE 1552 -176 1536 -176
WIRE 1568 -176 1552 -176
WIRE 2048 -176 2032 -176
WIRE 2064 -176 2048 -176
WIRE 176 -160 176 -176
WIRE 672 -160 672 -176
WIRE 1552 -160 1552 -176
WIRE 2048 -160 2048 -176
WIRE 96 -144 96 -256
WIRE 144 -144 96 -144
WIRE 592 -144 592 -256
WIRE 640 -144 592 -144
WIRE 1472 -144 1472 -256
WIRE 1520 -144 1472 -144
WIRE 1968 -144 1968 -256
WIRE 2016 -144 1968 -144
WIRE 272 -128 272 -256
WIRE 272 -128 208 -128
WIRE 352 -128 272 -128
WIRE 768 -128 768 -256
WIRE 768 -128 704 -128
WIRE 848 -128 768 -128
WIRE 1648 -128 1648 -256
WIRE 1648 -128 1584 -128
WIRE 1728 -128 1648 -128
WIRE 2144 -128 2144 -256
WIRE 2144 -128 2080 -128
WIRE 2224 -128 2144 -128
WIRE -16 -112 -16 -352
WIRE 0 -112 -16 -112
WIRE 144 -112 80 -112
WIRE 640 -112 592 -112
WIRE 1328 -112 1328 -352
WIRE 1376 -112 1328 -112
WIRE 1520 -112 1456 -112
WIRE 2016 -112 1968 -112
WIRE 352 -96 352 -128
WIRE 848 -96 848 -128
WIRE 1728 -96 1728 -128
WIRE 2224 -96 2224 -128
WIRE 176 -80 176 -96
WIRE 176 -80 160 -80
WIRE 192 -80 176 -80
WIRE 592 -80 592 -112
WIRE 672 -80 672 -96
WIRE 672 -80 656 -80
WIRE 688 -80 672 -80
WIRE 1552 -80 1552 -96
WIRE 1552 -80 1536 -80
WIRE 1568 -80 1552 -80
WIRE 1968 -80 1968 -112
WIRE 2048 -80 2048 -96
WIRE 2048 -80 2032 -80
WIRE 2064 -80 2048 -80
WIRE 352 16 352 -16
WIRE 848 16 848 -16
WIRE 1728 16 1728 -16
WIRE 2224 16 2224 -16
WIRE 592 32 592 0
WIRE 1968 32 1968 0
FLAG 352 -432 0
FLAG -240 -544 0
FLAG -112 -208 0
FLAG -320 -704 +15V
FLAG -320 -416 -15V
FLAG 352 -576 Out_A1
FLAG -112 -352 In1
FLAG 176 -624 +15V
FLAG 176 -528 -15V
FLAG 352 16 0
FLAG 352 -128 Out_B1
FLAG 176 -176 +15V
FLAG 176 -80 -15V
FLAG 848 -432 0
FLAG 592 -416 0
FLAG 672 -624 +15V
FLAG 672 -528 -15V
FLAG 848 16 0
FLAG 592 32 0
FLAG 672 -176 +15V
FLAG 672 -80 -15V
FLAG 1728 -432 0
FLAG 1232 -208 0
FLAG 1232 -352 In2
FLAG 1552 -624 +15V
FLAG 1552 -528 -15V
FLAG 1728 16 0
FLAG 1552 -176 +15V
FLAG 1552 -80 -15V
FLAG 2224 -432 0
FLAG 1968 -416 0
FLAG 2048 -624 +15V
FLAG 2048 -528 -15V
FLAG 2224 16 0
FLAG 1968 32 0
FLAG 2048 -176 +15V
FLAG 2048 -80 -15V
FLAG 1360 -688 0
FLAG 1360 -240 0
FLAG 848 -576 Out_A2
FLAG 1728 -576 Out_A3
FLAG 2224 -576 Out_A4
FLAG 848 -128 Out_B2
FLAG 1728 -128 Out_B3
FLAG 2224 -128 Out_B4
SYMBOL voltage -320 -544 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL voltage -112 -336 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V3
SYMATTR Value PULSE(-10 10 40u 1n 1n 9.999u 20u)
SYMBOL Opamps\\LT1124 176 -640 R0
SYMATTR InstName UA1
SYMBOL voltage -320 -688 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL res 336 -560 R0
SYMATTR InstName RL1
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL Opamps\\LT1122 176 -192 R0
SYMATTR InstName UB1
SYMBOL res 336 -112 R0
SYMATTR InstName RL2
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 832 -560 R0
SYMATTR InstName RL3
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 832 -112 R0
SYMATTR InstName RL4
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res -16 -544 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 128 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res -16 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 128 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 480 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 624 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 576 -544 R0
SYMATTR InstName R7
SYMATTR Value 500
SYMATTR SpiceLine ""
SYMBOL res 480 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 624 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 576 -96 R0
SYMATTR InstName R10
SYMATTR Value 500
SYMATTR SpiceLine ""
SYMBOL voltage 1232 -336 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V4
SYMATTR Value PULSE(-1 1 40u 1n 1n 9.999u 20u)
SYMBOL res 1712 -560 R0
SYMATTR InstName RL5
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 1712 -112 R0
SYMATTR InstName RL6
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 2208 -560 R0
SYMATTR InstName RL7
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 2208 -112 R0
SYMATTR InstName RL8
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 1360 -544 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 180
SYMATTR SpiceLine ""
SYMBOL res 1504 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 1.8K
SYMATTR SpiceLine ""
SYMBOL res 1360 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R13
SYMATTR Value 180
SYMATTR SpiceLine ""
SYMBOL res 1504 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 1.8K
SYMATTR SpiceLine ""
SYMBOL res 1856 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R15
SYMATTR Value 200
SYMATTR SpiceLine ""
SYMBOL res 2000 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R16
SYMATTR Value 2K
SYMATTR SpiceLine ""
SYMBOL res 1952 -544 R0
SYMATTR InstName R17
SYMATTR Value 180
SYMATTR SpiceLine ""
SYMBOL res 1856 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R18
SYMATTR Value 200
SYMATTR SpiceLine ""
SYMBOL res 2000 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R19
SYMATTR Value 2K
SYMATTR SpiceLine ""
SYMBOL res 1952 -96 R0
SYMATTR InstName R20
SYMATTR Value 180
SYMATTR SpiceLine ""
SYMBOL res 1360 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R21
SYMATTR Value 200
SYMATTR SpiceLine ""
SYMBOL res 1360 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R22
SYMATTR Value 200
SYMATTR SpiceLine ""
SYMBOL Opamps\\LT1124 672 -640 R0
SYMATTR InstName UA2
SYMBOL Opamps\\LT1122 672 -192 R0
SYMATTR InstName UB2
SYMBOL Opamps\\LT1124 1552 -640 R0
SYMATTR InstName UA3
SYMBOL Opamps\\LT1124 2048 -640 R0
SYMATTR InstName UA4
SYMBOL Opamps\\LT1122 1552 -192 R0
SYMATTR InstName UB3
SYMBOL Opamps\\LT1122 2048 -192 R0
SYMATTR InstName UB4
TEXT -360 -8 Left 2 !.tran 200u startup