* SPICE netlist
R1 N001 x1 10k
R2 N004 N001 10k
R3 N002 N004 100k
R4 y1 N002 5Meg
R5 y1 N001 50k
R6 N003 y1 200k
C1 y1 N002 1n
C2 x1 N003 1n
C3 z1 N005 1n
D1 N010 N006 D1N4001
V1 Vcc 0 9
V2 Vdd 0 -9
XU1 0 N001 Vcc Vdd N004 NC_01 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU2 0 N002 Vcc Vdd y1 NC_02 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU3 0 N003 Vcc Vdd x1 NC_03 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU4 0 N006 Vcc Vdd N007 NC_04 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU5 0 N005 Vcc Vdd z1 NC_05 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
V3 Vee 0 -15
R7 x1 N003 2Meg
R8 N007 N006 150k
R9 N005 N007 100k
R10 z1 N005 100k
R11 N003 z1 100k
R12 N010 x1 10k
R13 Vee N010 68k
R14 N009 N008 1k
R15 N011 N012 1k
R16 N011 0 1k
R17 Output N009 1k
XU6 x1 N008 Vcc Vdd N008 NC_06 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU7 x2 N012 Vcc Vdd N012 NC_07 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU8 N011 N009 Vcc Vdd Output NC_08 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
R18 N013 x2 10k
R19 N016 N013 10k
R20 N014 N016 100k
R21 y2 N014 5Meg
R22 y2 N013 50k
R23 N015 y2 200k
C4 y2 N014 1n
C5 x2 N015 1n
C6 z2 N017 1n
D2 N021 N018 D1N4001
XU9 0 N013 Vcc Vdd N016 NC_09 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU10 0 N014 Vcc Vdd y2 NC_10 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU11 0 N015 Vcc Vdd x2 NC_11 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU12 0 N018 Vcc Vdd N020 NC_12 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
XU13 0 N017 Vcc Vdd z2 NC_13 LT1351 ;pnba In+)In-)V+)V-)OUT)SHDN
R24 x2 N015 2Meg
R25 N019 N018 74.9k
R27 N017 N020 100k
R28 z2 N017 100k
R29 N015 z2 100k
R30 N021 x2 10k
R31 Vee N021 68k
R26 N020 N019 75.1k
+M=0.272 BV=50 IBV=10U TT=5.05E-6
.tran 0 100m 0 10u
.ic V(x1)=-1.5765196mV V(x2)=-1.5765196mV V(y1)=3.4585271mV V(y2)=3.4585271mV V(z1)=-590.70514uV V(z2)=-590.70514uV

* LTspice schematic (.asc)
Version 4
SHEET 1 1920 2192
WIRE 192 -1096 -944 -1096
WIRE -512 -1032 -768 -1032
WIRE -192 -1032 -432 -1032
WIRE -384 -936 -416 -936
WIRE -192 -936 -192 -1032
WIRE -192 -936 -320 -936
WIRE -16 -936 -48 -936
WIRE 192 -936 192 -1096
WIRE 192 -936 48 -936
WIRE -768 -840 -768 -1032
WIRE -752 -840 -768 -840
WIRE -544 -840 -672 -840
WIRE -416 -840 -416 -936
WIRE -384 -840 -416 -840
WIRE -192 -840 -192 -936
WIRE -192 -840 -304 -840
WIRE -48 -840 -48 -936
WIRE -16 -840 -48 -840
WIRE 192 -840 192 -936
WIRE 192 -840 64 -840
WIRE -672 -728 -672 -744
WIRE -944 -712 -944 -1096
WIRE -896 -712 -944 -712
WIRE -768 -712 -768 -840
WIRE -768 -712 -816 -712
WIRE -688 -712 -768 -712
WIRE -320 -712 -320 -728
WIRE -544 -696 -544 -840
WIRE -544 -696 -624 -696
WIRE -512 -696 -544 -696
WIRE -416 -696 -416 -840
WIRE -416 -696 -432 -696
WIRE -336 -696 -416 -696
WIRE 64 -696 64 -712
WIRE -688 -680 -720 -680
WIRE -192 -680 -192 -840
WIRE -192 -680 -272 -680
WIRE -176 -680 -176 -696
WIRE -176 -680 -192 -680
WIRE -144 -680 -176 -680
WIRE -48 -680 -48 -840
WIRE -48 -680 -64 -680
WIRE 48 -680 -48 -680
WIRE -720 -664 -720 -680
WIRE -336 -664 -368 -664
WIRE 192 -664 192 -840
WIRE 192 -664 112 -664
WIRE 208 -664 208 -680
WIRE 208 -664 192 -664
WIRE -672 -648 -672 -664
WIRE -368 -648 -368 -664
WIRE 48 -648 16 -648
WIRE -320 -632 -320 -648
WIRE 16 -632 16 -648
WIRE 64 -616 64 -632
WIRE 336 -616 336 -680
WIRE 480 -616 480 -680
WIRE 608 -616 608 -680
WIRE -944 -568 -944 -712
WIRE -336 -520 -416 -520
WIRE -192 -520 -272 -520
WIRE 336 -504 336 -536
WIRE 480 -504 480 -536
WIRE 608 -504 608 -536
WIRE -720 -488 -800 -488
WIRE -544 -488 -640 -488
WIRE -416 -408 -416 -520
WIRE -384 -408 -416 -408
WIRE -192 -408 -192 -520
WIRE -192 -408 -304 -408
WIRE 464 -328 304 -328
WIRE 736 -328 704 -328
WIRE 880 -328 816 -328
WIRE -672 -312 -672 -328
WIRE -944 -296 -944 -488
WIRE -896 -296 -944 -296
WIRE -800 -296 -800 -488
WIRE -800 -296 -832 -296
WIRE -688 -296 -800 -296
WIRE -320 -296 -320 -312
WIRE -544 -280 -544 -488
WIRE -544 -280 -624 -280
WIRE -512 -280 -544 -280
WIRE -416 -280 -416 -408
WIRE -416 -280 -432 -280
WIRE -336 -280 -416 -280
WIRE -688 -264 -720 -264
WIRE -192 -264 -192 -408
WIRE -192 -264 -272 -264
WIRE -160 -264 -160 -280
WIRE -160 -264 -192 -264
WIRE -144 -264 -160 -264
WIRE -48 -264 -48 -680
WIRE -48 -264 -64 -264
WIRE -720 -248 -720 -264
WIRE -336 -248 -368 -248
WIRE 352 -248 352 -264
WIRE -672 -232 -672 -248
WIRE -368 -232 -368 -248
WIRE 304 -232 304 -328
WIRE 336 -232 304 -232
WIRE -320 -216 -320 -232
WIRE 464 -216 464 -328
WIRE 464 -216 400 -216
WIRE 560 -216 464 -216
WIRE 704 -216 704 -328
WIRE 704 -216 640 -216
WIRE 192 -200 192 -664
WIRE 336 -200 192 -200
WIRE 768 -200 768 -216
WIRE -944 -184 -944 -296
WIRE 704 -184 704 -216
WIRE 752 -184 704 -184
WIRE 352 -168 352 -184
WIRE 880 -168 880 -328
WIRE 880 -168 816 -168
WIRE 960 -168 880 -168
WIRE 752 -152 704 -152
WIRE 560 -120 528 -120
WIRE 704 -120 704 -152
WIRE 704 -120 640 -120
WIRE 768 -120 768 -136
WIRE 464 -104 304 -104
WIRE -944 -56 -944 -104
WIRE 704 -56 704 -120
WIRE 352 -24 352 -40
WIRE 304 -8 304 -104
WIRE 336 -8 304 -8
WIRE 464 8 464 -104
WIRE 464 8 400 8
WIRE 528 8 528 -120
WIRE 528 8 464 8
WIRE 336 24 192 24
WIRE 192 56 192 24
WIRE 192 56 -944 56
WIRE 352 56 352 40
WIRE 704 72 704 24
WIRE -512 120 -768 120
WIRE -192 120 -432 120
WIRE -384 216 -416 216
WIRE -192 216 -192 120
WIRE -192 216 -320 216
WIRE 48 216 -48 216
WIRE 192 216 192 56
WIRE 192 216 112 216
WIRE -768 312 -768 120
WIRE -752 312 -768 312
WIRE -544 312 -672 312
WIRE -416 312 -416 216
WIRE -384 312 -416 312
WIRE -192 312 -192 216
WIRE -192 312 -304 312
WIRE -48 312 -48 216
WIRE -16 312 -48 312
WIRE 192 312 192 216
WIRE 192 312 64 312
WIRE -672 424 -672 408
WIRE -944 440 -944 56
WIRE -896 440 -944 440
WIRE -768 440 -768 312
WIRE -768 440 -816 440
WIRE -688 440 -768 440
WIRE -320 440 -320 424
WIRE -544 456 -544 312
WIRE -544 456 -624 456
WIRE -512 456 -544 456
WIRE -416 456 -416 312
WIRE -416 456 -432 456
WIRE -336 456 -416 456
WIRE 64 456 64 440
WIRE -688 472 -720 472
WIRE -192 472 -192 312
WIRE -192 472 -272 472
WIRE -176 472 -176 456
WIRE -176 472 -192 472
WIRE -144 472 -176 472
WIRE -48 472 -48 312
WIRE -48 472 -64 472
WIRE 48 472 -48 472
WIRE -720 488 -720 472
WIRE -336 488 -368 488
WIRE 192 488 192 312
WIRE 192 488 112 488
WIRE 208 488 208 472
WIRE 208 488 192 488
WIRE -672 504 -672 488
WIRE -368 504 -368 488
WIRE 48 504 16 504
WIRE -320 520 -320 504
WIRE 16 520 16 504
WIRE 64 536 64 520
WIRE -944 584 -944 440
WIRE -368 648 -416 648
WIRE -192 648 -304 648
WIRE -768 680 -800 680
WIRE -656 680 -688 680
WIRE -544 680 -576 680
WIRE -416 744 -416 648
WIRE -384 744 -416 744
WIRE -192 744 -192 648
WIRE -192 744 -304 744
WIRE -672 840 -672 824
WIRE -944 856 -944 664
WIRE -896 856 -944 856
WIRE -800 856 -800 680
WIRE -800 856 -832 856
WIRE -688 856 -800 856
WIRE -320 856 -320 840
WIRE -544 872 -544 680
WIRE -544 872 -624 872
WIRE -512 872 -544 872
WIRE -416 872 -416 744
WIRE -416 872 -432 872
WIRE -336 872 -416 872
WIRE -688 888 -720 888
WIRE -192 888 -192 744
WIRE -192 888 -272 888
WIRE -176 888 -176 872
WIRE -176 888 -192 888
WIRE -144 888 -176 888
WIRE -48 888 -48 472
WIRE -48 888 -64 888
WIRE -720 904 -720 888
WIRE -336 904 -368 904
WIRE -672 920 -672 904
WIRE -368 920 -368 904
WIRE -320 936 -320 920
WIRE -944 968 -944 856
WIRE -944 1096 -944 1048
FLAG -672 -744 Vcc
FLAG -320 -728 Vcc
FLAG 64 -712 Vcc
FLAG -320 -632 Vdd
FLAG 64 -616 Vdd
FLAG -672 -648 Vdd
FLAG 336 -504 0
FLAG 480 -504 0
FLAG 336 -680 Vcc
FLAG 480 -680 Vdd
FLAG -672 -328 Vcc
FLAG -672 -232 Vdd
FLAG -320 -312 Vcc
FLAG -320 -216 Vdd
FLAG 608 -504 0
FLAG 608 -680 Vee
FLAG -720 -664 0
FLAG -368 -648 0
FLAG 16 -632 0
FLAG -720 -248 0
FLAG -368 -232 0
FLAG -944 -56 Vee
FLAG 352 -168 Vdd
FLAG 352 56 Vdd
FLAG 768 -120 Vdd
FLAG 352 -264 Vcc
FLAG 352 -40 Vcc
FLAG 768 -216 Vcc
FLAG 704 72 0
FLAG 960 -168 Output
IOPIN 1232 400 Out
FLAG -672 408 Vcc
FLAG -320 424 Vcc
FLAG 64 440 Vcc
FLAG -320 520 Vdd
FLAG 64 536 Vdd
FLAG -672 504 Vdd
FLAG -672 824 Vcc
FLAG -672 920 Vdd
FLAG -320 840 Vcc
FLAG -320 936 Vdd
FLAG -720 488 0
FLAG -368 504 0
FLAG 16 520 0
FLAG -720 904 0
FLAG -368 920 0
FLAG -944 1096 Vee
FLAG 208 -680 x1
FLAG -176 -696 y1
FLAG -160 -280 z1
FLAG 208 472 x2
FLAG -176 456 y2
FLAG -176 872 z2
SYMBOL res -800 -696 M270
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -656 -856 R90
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -416 -712 R90
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res -288 -856 R90
SYMATTR InstName R4
SYMATTR Value 5Meg
SYMBOL res -416 -1048 R90
SYMATTR InstName R5
SYMATTR Value 50k
SYMBOL res -48 -696 R90
SYMATTR InstName R6
SYMATTR Value 200k
SYMBOL cap -320 -952 R90
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap 48 -952 R90
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL cap -272 -536 R90
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL diode -896 -312 M90
SYMATTR InstName D1
SYMATTR Value D1N4001
SYMBOL voltage 336 -632 R0
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL voltage 480 -632 R0
SYMATTR InstName V2
SYMATTR Value -9
SYMBOL Opamps\\LT1351 -656 -696 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1351 -304 -680 R0
SYMATTR InstName U2
SYMBOL Opamps\\LT1351 80 -664 R0
SYMATTR InstName U3
SYMBOL Opamps\\LT1351 -656 -280 R0
SYMATTR InstName U4
SYMBOL Opamps\\LT1351 -304 -264 R0
SYMATTR InstName U5
SYMBOL voltage 608 -632 R0
SYMATTR InstName V3
SYMATTR Value -15
SYMBOL res 80 -856 R90
SYMATTR InstName R7
SYMATTR Value 2Meg
SYMBOL res -624 -504 R90
SYMATTR InstName R8
SYMATTR Value 150k
SYMBOL res -416 -296 R90
SYMATTR InstName R9
SYMATTR Value 100k
SYMBOL res -288 -424 R90
SYMATTR InstName R10
SYMATTR Value 100k
SYMBOL res -48 -280 R90
SYMATTR InstName R11
SYMATTR Value 100k
SYMBOL res -960 -472 M180
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res -960 -88 M180
SYMATTR InstName R13
SYMATTR Value 68k
SYMBOL res 656 -232 R90
SYMATTR InstName R14
SYMATTR Value 1k
SYMBOL res 656 -136 R90
SYMATTR InstName R15
SYMATTR Value 1k
SYMBOL res 688 -72 R0
SYMATTR InstName R16
SYMATTR Value 1k
SYMBOL res 832 -344 R90
SYMATTR InstName R17
SYMATTR Value 1k
SYMBOL Opamps\\LT1351 368 -216 R0
SYMATTR InstName U6
SYMBOL Opamps\\LT1351 368 8 R0
SYMATTR InstName U7
SYMBOL Opamps\\LT1351 784 -168 R0
SYMATTR InstName U8
SYMBOL res -800 456 M270
SYMATTR InstName R18
SYMATTR Value 10k
SYMBOL res -656 296 R90
SYMATTR InstName R19
SYMATTR Value 10k
SYMBOL res -416 440 R90
SYMATTR InstName R20
SYMATTR Value 100k
SYMBOL res -288 296 R90
SYMATTR InstName R21
SYMATTR Value 5Meg
SYMBOL res -416 104 R90
SYMATTR InstName R22
SYMATTR Value 50k
SYMBOL res -48 456 R90
SYMATTR InstName R23
SYMATTR Value 200k
SYMBOL cap -320 200 R90
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL cap 112 200 R90
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL cap -304 632 R90
SYMATTR InstName C6
SYMATTR Value 1n
SYMBOL diode -896 840 M90
SYMATTR InstName D2
SYMATTR Value D1N4001
SYMBOL Opamps\\LT1351 -656 456 R0
SYMATTR InstName U9
SYMBOL Opamps\\LT1351 -304 472 R0
SYMATTR InstName U10
SYMBOL Opamps\\LT1351 80 488 R0
SYMATTR InstName U11
SYMBOL Opamps\\LT1351 -656 872 R0
SYMATTR InstName U12
SYMBOL Opamps\\LT1351 -304 888 R0
SYMATTR InstName U13
SYMBOL res 80 296 R90
SYMATTR InstName R24
SYMATTR Value 2Meg
SYMBOL res -672 664 R90
SYMATTR InstName R25
SYMATTR Value 74.9k
SYMBOL res -416 856 R90
SYMATTR InstName R27
SYMATTR Value 100k
SYMBOL res -288 728 R90
SYMATTR InstName R28
SYMATTR Value 100k
SYMBOL res -48 872 R90
SYMATTR InstName R29
SYMATTR Value 100k
SYMBOL res -960 680 M180
SYMATTR InstName R30
SYMATTR Value 10k
SYMBOL res -960 1064 M180
SYMATTR InstName R31
SYMATTR Value 68k
SYMBOL res -560 664 R90
SYMATTR InstName R26
SYMATTR Value 75.1k