* SPICE netlist
XU1 0 N005 N008 N011 N006 LT1001 ;pnba In+)In-)V+)V-)OUT
XU2 0 N009 N010 N012 Va LT1001 ;pnba In+)In-)V+)V-)OUT
XU3 0 N001 N003 N002 N004 LT1001 ;pnba In+)In-)V+)V-)OUT
XU4 0 N013 N014 N015 Vo LT1001 ;pnba In+)In-)V+)V-)OUT
R1 N005 N004 5k
R2 N005 N007 10k
R3 N005 Vo 10k
R4 N006 N005 10k
R5 N009 N006 1k
R6 N001 Va 100
R7 N004 N001 100
R8 N013 Va 10k
C1 Va N009 1m
C2 Vo N013 0.1m
V9 N007 0 SINE(0 -10 0.637 0 0 0)
V2 N011 NC_01 -15
V3 N012 NC_02 -15
V6 N015 NC_03 -15
V8 N002 NC_04 -15
V1 N008 NC_05 15
V4 N010 NC_06 15
V5 N014 NC_07 15
V7 N003 NC_08 15
.tran 20
.ic V(Vo)=-4 V(Va)=-1

* LTspice schematic (.asc)
Version 4
SHEET 1 2272 1344
WIRE 400 -672 48 -672
WIRE 288 -608 144 -608
WIRE 400 -512 400 -592
WIRE 400 -512 320 -512
WIRE 432 -512 400 -512
WIRE 288 -480 288 -608
WIRE 320 -480 320 -512
WIRE 432 -480 432 -512
WIRE 272 -448 160 -448
WIRE 368 -448 336 -448
WIRE 304 -400 304 -416
WIRE 432 -400 304 -400
WIRE 368 -336 368 -448
WIRE 672 -336 368 -336
WIRE 48 -288 48 -672
WIRE 400 -288 48 -288
WIRE -288 -128 -416 -128
WIRE -176 -128 -208 -128
WIRE -880 -96 -960 -96
WIRE -672 -96 -800 -96
WIRE -128 -48 -128 -304
WIRE -128 -48 -256 -48
WIRE -256 0 -256 -48
WIRE -880 16 -1136 16
WIRE -672 16 -672 -96
WIRE -672 16 -800 16
WIRE -416 16 -416 -128
WIRE -416 16 -672 16
WIRE -288 16 -416 16
WIRE -176 32 -176 -128
WIRE -176 32 -224 32
WIRE -128 32 -176 32
WIRE 16 32 -48 32
WIRE 64 32 16 32
WIRE 192 32 128 32
WIRE -288 48 -336 48
WIRE 176 80 176 -144
WIRE 176 80 96 80
WIRE 96 96 96 80
WIRE 16 112 16 32
WIRE 64 112 16 112
WIRE -880 128 -1008 128
WIRE -672 128 -672 16
WIRE -672 128 -800 128
WIRE -256 128 -256 64
WIRE 192 128 192 32
WIRE 192 128 128 128
WIRE 224 128 192 128
WIRE 400 128 400 -288
WIRE 400 128 224 128
WIRE 608 128 400 128
WIRE 64 144 -48 144
WIRE -336 224 -336 48
WIRE 96 224 96 160
WIRE 608 224 608 128
WIRE 720 224 688 224
WIRE 768 224 720 224
WIRE 912 224 832 224
WIRE -48 256 -48 144
WIRE 784 304 784 -16
WIRE 720 320 720 224
WIRE 752 320 720 320
WIRE 912 336 912 224
WIRE 912 336 816 336
WIRE 1136 336 912 336
WIRE 752 352 624 352
WIRE -1136 400 -1136 16
WIRE 304 400 304 -400
WIRE 304 400 -1136 400
WIRE 784 432 784 368
WIRE 624 512 624 352
WIRE -1008 672 -1008 128
WIRE 1136 672 1136 336
WIRE 1136 672 -1008 672
FLAG -1040 -96 0
FLAG -336 224 0
FLAG -48 256 0
FLAG 144 -608 0
FLAG 624 512 0
FLAG 1136 336 Vo
FLAG 224 128 Va
SYMBOL Opamps\\OP07 -256 -32 R0
SYMATTR InstName U1
SYMBOL Opamps\\OP07 96 64 R0
SYMATTR InstName U2
SYMBOL Opamps\\OP07 368 -448 R90
SYMATTR InstName U3
SYMBOL Opamps\\OP07 784 272 R0
SYMATTR InstName U4
SYMBOL res -784 0 R90
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL res -784 -112 R90
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -784 112 R90
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res -192 -144 R90
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res -32 16 R90
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res 416 -576 R180
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL res 448 -384 R180
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL res 704 208 R90
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL cap 128 16 R90
SYMATTR InstName C1
SYMATTR Value 1m
SYMBOL cap 832 208 R90
SYMATTR InstName C2
SYMATTR Value 0.1m
SYMBOL voltage -944 -96 R90
SYMATTR InstName V9
SYMATTR Value SINE(0 -10 0.637 0 0 0)
SYMBOL voltage -256 112 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL voltage 96 208 R0
SYMATTR InstName V3
SYMATTR Value -15
SYMBOL voltage 784 416 R0
SYMATTR InstName V6
SYMATTR Value -15
SYMBOL voltage 160 -464 R0
SYMATTR InstName V8
SYMATTR Value -15
SYMBOL voltage -128 -288 R180
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage 176 -128 R180
SYMATTR InstName V4
SYMATTR Value 15
SYMBOL voltage 784 0 R180
SYMATTR InstName V5
SYMATTR Value 15
SYMBOL voltage 656 -336 R270
SYMATTR InstName V7
SYMATTR Value 15