* SPICE netlist
R5 N010 N009 1
XU1 N001 N010 V1 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R4 V1 N001 1
R6 V2 N010 1
R1 N003 V1 1
XU2 N003 0 V2 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
C1 V2 N003 4.1911
XU3 N004 0 V3 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R2 N004 V2 1
C2 V3 N004 .226646
V1 N009 0 0 AC 1
R3 V3 N001 1
R25 N011 V3 1
XU4 N002 N011 V21 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R24 V21 N002 1
R26 V22 N011 1
R21 N005 V21 1
XU5 N005 0 V22 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
C21 V22 N005 1.600768369
XU6 N006 0 V23 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R22 N006 V22 1
C22 V23 N006 1.263296259
R23 V23 N002 1
R31 N012 V23 1
C31 N012 0 2.59
XU7 N008 N012 N008 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
XU8 N007 0 Vo opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R41 N007 N008 1
R42 Vo N007 1
.inc opamp.sub
.ac dec 10000 0.001 1

* LTspice schematic (.asc)
Version 4
SHEET 1 2320 448
WIRE -712 -208 -904 -208
WIRE -344 -208 -632 -208
WIRE 8 -192 -184 -192
WIRE 376 -192 88 -192
WIRE -904 -32 -904 -208
WIRE -888 -32 -904 -32
WIRE -792 -32 -808 -32
WIRE -616 -32 -648 -32
WIRE -536 -32 -552 -32
WIRE -424 -32 -456 -32
WIRE -344 -32 -344 -208
WIRE -344 -32 -360 -32
WIRE -184 -16 -184 -192
WIRE -168 -16 -184 -16
WIRE -72 -16 -88 -16
WIRE 104 -16 72 -16
WIRE 184 -16 168 -16
WIRE 296 -16 264 -16
WIRE 376 -16 376 -192
WIRE 376 -16 360 -16
WIRE 1048 32 1000 32
WIRE 1160 32 1128 32
WIRE 840 48 712 48
WIRE -904 64 -904 -32
WIRE -888 64 -904 64
WIRE -792 80 -792 -32
WIRE -792 80 -824 80
WIRE -744 80 -792 80
WIRE -648 80 -648 -32
WIRE -648 80 -664 80
WIRE -632 80 -648 80
WIRE -184 80 -184 -16
WIRE -168 80 -184 80
WIRE -1016 96 -1160 96
WIRE -904 96 -936 96
WIRE -888 96 -904 96
WIRE -536 96 -536 -32
WIRE -536 96 -568 96
WIRE -456 96 -456 -32
WIRE -440 96 -456 96
WIRE -72 96 -72 -16
WIRE -72 96 -104 96
WIRE -24 96 -72 96
WIRE 72 96 72 -16
WIRE 72 96 56 96
WIRE 88 96 72 96
WIRE 712 96 712 48
WIRE 744 96 712 96
WIRE -632 112 -664 112
WIRE -344 112 -344 -32
WIRE -344 112 -376 112
WIRE -296 112 -344 112
WIRE -184 112 -216 112
WIRE -168 112 -184 112
WIRE 184 112 184 -16
WIRE 184 112 152 112
WIRE 264 112 264 -16
WIRE 280 112 264 112
WIRE 840 112 840 48
WIRE 840 112 808 112
WIRE 888 112 840 112
WIRE 1000 112 1000 32
WIRE 1000 112 968 112
WIRE 1032 112 1000 112
WIRE -1160 128 -1160 96
WIRE -440 128 -456 128
WIRE 88 128 56 128
WIRE 376 128 376 -16
WIRE 376 128 344 128
WIRE 488 128 376 128
WIRE 664 128 568 128
WIRE 744 128 664 128
WIRE 1160 128 1160 32
WIRE 1160 128 1096 128
WIRE 280 144 264 144
WIRE 1032 144 1000 144
WIRE -664 160 -664 112
WIRE -456 160 -456 128
WIRE 56 176 56 128
WIRE 264 176 264 144
WIRE 1000 192 1000 144
WIRE -904 208 -904 96
WIRE -840 208 -904 208
WIRE -536 208 -536 96
WIRE -536 208 -760 208
WIRE -184 224 -184 112
WIRE -120 224 -184 224
WIRE 184 224 184 112
WIRE 184 224 -40 224
FLAG -536 208 V2
FLAG -792 -32 V1
FLAG -344 112 V3
FLAG -456 160 0
FLAG -664 160 0
FLAG -1160 208 0
FLAG 184 224 V22
FLAG -72 -16 V21
FLAG 376 128 V23
FLAG 264 176 0
FLAG 56 176 0
FLAG 664 192 0
FLAG 1000 192 0
FLAG 1160 128 Vo
SYMBOL res -920 80 R90
SYMATTR InstName R5
SYMATTR Value 1
SYMBOL Opamps\\opamp -856 16 R0
SYMATTR InstName U1
SYMBOL res -792 -48 R90
SYMATTR InstName R4
SYMATTR Value 1
SYMBOL res -744 192 R90
SYMATTR InstName R6
SYMATTR Value 1
SYMBOL res -648 64 R90
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL Opamps\\opamp -600 32 R0
SYMATTR InstName U2
SYMBOL cap -552 -48 R90
SYMATTR InstName C1
SYMATTR Value 4.1911
SYMBOL Opamps\\opamp -408 48 R0
SYMATTR InstName U3
SYMBOL res -440 80 R90
SYMATTR InstName R2
SYMATTR Value 1
SYMBOL cap -360 -48 R90
SYMATTR InstName C2
SYMATTR Value .226646
SYMBOL voltage -1160 112 R0
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value 0
SYMBOL res -616 -224 R90
SYMATTR InstName R3
SYMATTR Value 1
SYMBOL res -200 96 R90
SYMATTR InstName R25
SYMATTR Value 1
SYMBOL Opamps\\opamp -136 32 R0
SYMATTR InstName U4
SYMBOL res -72 -32 R90
SYMATTR InstName R24
SYMATTR Value 1
SYMBOL res -24 208 R90
SYMATTR InstName R26
SYMATTR Value 1
SYMBOL res 72 80 R90
SYMATTR InstName R21
SYMATTR Value 1
SYMBOL Opamps\\opamp 120 48 R0
SYMATTR InstName U5
SYMBOL cap 168 -32 R90
SYMATTR InstName C21
SYMATTR Value 1.600768369
SYMBOL Opamps\\opamp 312 64 R0
SYMATTR InstName U6
SYMBOL res 280 96 R90
SYMATTR InstName R22
SYMATTR Value 1
SYMBOL cap 360 -32 R90
SYMATTR InstName C22
SYMATTR Value 1.263296259
SYMBOL res 104 -208 R90
SYMATTR InstName R23
SYMATTR Value 1
SYMBOL res 584 112 R90
SYMATTR InstName R31
SYMATTR Value 1
SYMBOL cap 648 128 R0
SYMATTR InstName C31
SYMATTR Value 2.59
SYMBOL Opamps\\opamp 776 48 R0
SYMATTR InstName U7
SYMBOL Opamps\\opamp 1064 64 R0
SYMATTR InstName U8
SYMBOL res 984 96 R90
SYMATTR InstName R41
SYMATTR Value 1
SYMBOL res 1144 16 R90
SYMATTR InstName R42
SYMATTR Value 1