Version 4
SHEET 1 2540 680
WIRE -320 -704 -336 -704
WIRE -304 -704 -320 -704
WIRE 144 -704 96 -704
WIRE 272 -704 224 -704
WIRE 848 -704 800 -704
WIRE 976 -704 928 -704
WIRE 1552 -704 1504 -704
WIRE 1680 -704 1632 -704
WIRE 2256 -704 2208 -704
WIRE 2384 -704 2336 -704
WIRE -320 -672 -320 -704
WIRE 176 -624 160 -624
WIRE 192 -624 176 -624
WIRE 880 -624 864 -624
WIRE 896 -624 880 -624
WIRE 1584 -624 1568 -624
WIRE 1600 -624 1584 -624
WIRE 2288 -624 2272 -624
WIRE 2304 -624 2288 -624
WIRE 176 -608 176 -624
WIRE 880 -608 880 -624
WIRE 1584 -608 1584 -624
WIRE 2288 -608 2288 -624
WIRE 96 -592 96 -704
WIRE 144 -592 96 -592
WIRE 800 -592 800 -704
WIRE 848 -592 800 -592
WIRE 1504 -592 1504 -704
WIRE 1552 -592 1504 -592
WIRE 2208 -592 2208 -704
WIRE 2256 -592 2208 -592
WIRE 272 -576 272 -704
WIRE 272 -576 208 -576
WIRE 352 -576 272 -576
WIRE 976 -576 976 -704
WIRE 976 -576 912 -576
WIRE 1056 -576 976 -576
WIRE 1680 -576 1680 -704
WIRE 1680 -576 1616 -576
WIRE 1760 -576 1680 -576
WIRE 2384 -576 2384 -704
WIRE 2384 -576 2320 -576
WIRE 2464 -576 2384 -576
WIRE -320 -560 -320 -592
WIRE -240 -560 -320 -560
WIRE 0 -560 -16 -560
WIRE 144 -560 80 -560
WIRE 704 -560 688 -560
WIRE 848 -560 784 -560
WIRE 1408 -560 1392 -560
WIRE 1552 -560 1488 -560
WIRE 2112 -560 2096 -560
WIRE 2256 -560 2192 -560
WIRE -240 -544 -240 -560
WIRE 352 -544 352 -576
WIRE 1056 -544 1056 -576
WIRE 1760 -544 1760 -576
WIRE 2464 -544 2464 -576
WIRE -320 -528 -320 -560
WIRE 176 -528 176 -544
WIRE 176 -528 160 -528
WIRE 192 -528 176 -528
WIRE 880 -528 880 -544
WIRE 880 -528 864 -528
WIRE 896 -528 880 -528
WIRE 1584 -528 1584 -544
WIRE 1584 -528 1568 -528
WIRE 1600 -528 1584 -528
WIRE 2288 -528 2288 -544
WIRE 2288 -528 2272 -528
WIRE 2304 -528 2288 -528
WIRE 352 -432 352 -464
WIRE 1056 -432 1056 -464
WIRE 1760 -432 1760 -464
WIRE 2464 -432 2464 -464
WIRE -320 -416 -320 -448
WIRE -320 -416 -336 -416
WIRE -304 -416 -320 -416
WIRE -16 -352 -16 -560
WIRE -16 -352 -112 -352
WIRE 688 -352 688 -560
WIRE 688 -352 592 -352
WIRE 1392 -352 1392 -560
WIRE 1392 -352 1296 -352
WIRE 2096 -352 2096 -560
WIRE 2096 -352 2000 -352
WIRE -112 -320 -112 -352
WIRE 592 -320 592 -352
WIRE 1296 -320 1296 -352
WIRE 2000 -320 2000 -352
WIRE 144 -256 96 -256
WIRE 272 -256 224 -256
WIRE 848 -256 800 -256
WIRE 976 -256 928 -256
WIRE 1552 -256 1504 -256
WIRE 1680 -256 1632 -256
WIRE 2256 -256 2208 -256
WIRE 2384 -256 2336 -256
WIRE -112 -208 -112 -240
WIRE 592 -208 592 -240
WIRE 1296 -208 1296 -240
WIRE 2000 -208 2000 -240
WIRE 176 -176 160 -176
WIRE 192 -176 176 -176
WIRE 880 -176 864 -176
WIRE 896 -176 880 -176
WIRE 1584 -176 1568 -176
WIRE 1600 -176 1584 -176
WIRE 2288 -176 2272 -176
WIRE 2304 -176 2288 -176
WIRE 176 -160 176 -176
WIRE 880 -160 880 -176
WIRE 1584 -160 1584 -176
WIRE 2288 -160 2288 -176
WIRE 96 -144 96 -256
WIRE 144 -144 96 -144
WIRE 800 -144 800 -256
WIRE 848 -144 800 -144
WIRE 1504 -144 1504 -256
WIRE 1552 -144 1504 -144
WIRE 2208 -144 2208 -256
WIRE 2256 -144 2208 -144
WIRE 272 -128 272 -256
WIRE 272 -128 208 -128
WIRE 352 -128 272 -128
WIRE 976 -128 976 -256
WIRE 976 -128 912 -128
WIRE 1056 -128 976 -128
WIRE 1680 -128 1680 -256
WIRE 1680 -128 1616 -128
WIRE 1760 -128 1680 -128
WIRE 2384 -128 2384 -256
WIRE 2384 -128 2320 -128
WIRE 2464 -128 2384 -128
WIRE -16 -112 -16 -352
WIRE 0 -112 -16 -112
WIRE 144 -112 80 -112
WIRE 688 -112 688 -352
WIRE 704 -112 688 -112
WIRE 848 -112 784 -112
WIRE 1392 -112 1392 -352
WIRE 1408 -112 1392 -112
WIRE 1552 -112 1488 -112
WIRE 2096 -112 2096 -352
WIRE 2112 -112 2096 -112
WIRE 2256 -112 2192 -112
WIRE 352 -96 352 -128
WIRE 1056 -96 1056 -128
WIRE 1760 -96 1760 -128
WIRE 2464 -96 2464 -128
WIRE 176 -80 176 -96
WIRE 176 -80 160 -80
WIRE 192 -80 176 -80
WIRE 880 -80 880 -96
WIRE 880 -80 864 -80
WIRE 896 -80 880 -80
WIRE 1584 -80 1584 -96
WIRE 1584 -80 1568 -80
WIRE 1600 -80 1584 -80
WIRE 2288 -80 2288 -96
WIRE 2288 -80 2272 -80
WIRE 2304 -80 2288 -80
WIRE 352 16 352 -16
WIRE 1056 16 1056 -16
WIRE 1760 16 1760 -16
WIRE 2464 16 2464 -16
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 1056 -432 0
FLAG 592 -208 0
FLAG 1056 -576 Out_A2
FLAG 592 -352 In2
FLAG 880 -624 +15V
FLAG 880 -528 -15V
FLAG 1056 16 0
FLAG 1056 -128 Out_B2
FLAG 880 -176 +15V
FLAG 880 -80 -15V
FLAG 1760 -432 0
FLAG 1296 -208 0
FLAG 1760 -576 Out_A3
FLAG 1296 -352 In3
FLAG 1584 -624 +15V
FLAG 1584 -528 -15V
FLAG 1760 16 0
FLAG 1760 -128 Out_B3
FLAG 1584 -176 +15V
FLAG 1584 -80 -15V
FLAG 2464 -432 0
FLAG 2000 -208 0
FLAG 2464 -576 Out_A4
FLAG 2000 -352 In4
FLAG 2288 -624 +15V
FLAG 2288 -528 -15V
FLAG 2464 16 0
FLAG 2464 -128 Out_B4
FLAG 2288 -176 +15V
FLAG 2288 -80 -15V
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 SINE(0 10 50K 40u)
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 -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 voltage 592 -336 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V4
SYMATTR Value SINE(0 10 100K 40u)
SYMBOL Opamps\\LT1124 880 -640 R0
SYMATTR InstName UA2
SYMBOL res 1040 -560 R0
SYMATTR InstName RL3
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL Opamps\\LT1122 880 -192 R0
SYMATTR InstName UB2
SYMBOL res 1040 -112 R0
SYMATTR InstName RL4
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 688 -544 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 832 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 688 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 832 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL voltage 1296 -336 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V5
SYMATTR Value SINE(0 10 200K 40u)
SYMBOL Opamps\\LT1124 1584 -640 R0
SYMATTR InstName UA3
SYMBOL res 1744 -560 R0
SYMATTR InstName RL5
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL Opamps\\LT1122 1584 -192 R0
SYMATTR InstName UB3
SYMBOL res 1744 -112 R0
SYMATTR InstName RL6
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 1392 -544 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 1536 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 1392 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 1536 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R12
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL voltage 2000 -336 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 ""
SYMATTR SpiceLine ""
SYMATTR InstName V6
SYMATTR Value SINE(0 10 2Meg 40u)
SYMBOL Opamps\\LT1124 2288 -640 R0
SYMATTR InstName UA4
SYMBOL res 2448 -560 R0
SYMATTR InstName RL7
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL Opamps\\LT1122 2288 -192 R0
SYMATTR InstName UB4
SYMBOL res 2448 -112 R0
SYMATTR InstName RL8
SYMATTR Value 10K
SYMATTR SpiceLine ""
SYMBOL res 2096 -544 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R13
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 2240 -688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 2096 -96 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R15
SYMATTR Value 1K
SYMATTR SpiceLine ""
SYMBOL res 2240 -240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R16
SYMATTR Value 1K
SYMATTR SpiceLine ""
TEXT -360 -8 Left 2 !.tran 200u startup