* SPICE netlist
R1 N001 Vi 1
R2 N007 N001 0.707
R3 N008 N007 1
C1 N007 N001 1
XU1 N001 0 N007 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
XU2 0 N008 Vo opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
XU3 N004 0 N003 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
C1b N003 N008 1
R4 N004 N003 1
R4b Vo N004 1
R3b Vo N001 1
V1 Vi 0 0 AC 1
R7 N002 Vo 1
R8 N009 N002 1.3065
R9 N010 N009 1
C3 N009 N002 1
XU4 N002 0 N009 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
XU5 N010 0 Vo2 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
XU6 N006 0 N005 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
C4 N005 N010 1
R10 N006 N005 1
R11 Vo2 N006 1
R12 Vo2 N002 1
.ac dec 1000 0.01 0.4
.inc opamp.sub
.inc opamp.sub

* LTspice schematic (.asc)
Version 4
SHEET 1 2080 432
WIRE -464 -200 -768 -200
WIRE 0 -200 -384 -200
WIRE 576 -184 272 -184
WIRE 1040 -184 656 -184
WIRE -768 -88 -768 -200
WIRE -688 -88 -768 -88
WIRE -288 -88 -320 -88
WIRE -176 -88 -208 -88
WIRE -128 -88 -176 -88
WIRE 0 -88 0 -200
WIRE 0 -88 -48 -88
WIRE 272 -72 272 -184
WIRE 352 -72 272 -72
WIRE 752 -72 720 -72
WIRE 864 -72 832 -72
WIRE 912 -72 864 -72
WIRE 1040 -72 1040 -184
WIRE 1040 -72 992 -72
WIRE -176 8 -176 -88
WIRE -176 8 -224 8
WIRE -768 24 -768 -88
WIRE -704 24 -768 24
WIRE -608 24 -608 -88
WIRE -608 24 -640 24
WIRE -400 24 -448 24
WIRE -320 24 -320 -88
WIRE -320 24 -336 24
WIRE -288 24 -320 24
WIRE 864 24 864 -72
WIRE 864 24 816 24
WIRE -208 40 -224 40
WIRE 272 40 272 -72
WIRE 336 40 272 40
WIRE 432 40 432 -72
WIRE 432 40 400 40
WIRE 640 40 592 40
WIRE 720 40 720 -72
WIRE 720 40 704 40
WIRE 752 40 720 40
WIRE 832 56 816 56
WIRE -208 72 -208 40
WIRE 832 88 832 56
WIRE -768 120 -768 24
WIRE -768 120 -832 120
WIRE -704 120 -768 120
WIRE -608 136 -608 24
WIRE -608 136 -640 136
WIRE -592 136 -608 136
WIRE -448 136 -448 24
WIRE -448 136 -512 136
WIRE -400 136 -448 136
WIRE 272 136 272 40
WIRE 272 136 208 136
WIRE 336 136 272 136
WIRE -704 152 -736 152
WIRE 0 152 0 -88
WIRE 0 152 -336 152
WIRE 432 152 432 40
WIRE 432 152 400 152
WIRE 448 152 432 152
WIRE 592 152 592 40
WIRE 592 152 528 152
WIRE 624 152 592 152
WIRE -400 168 -448 168
WIRE 336 168 304 168
WIRE 1040 168 1040 -72
WIRE 1040 168 688 168
WIRE -736 184 -736 152
WIRE -448 184 -448 168
WIRE 624 184 592 184
WIRE 304 200 304 168
WIRE 592 200 592 184
FLAG -208 72 0
FLAG -448 184 0
FLAG -736 184 0
FLAG -912 120 Vi
FLAG 0 152 Vo
FLAG -1040 216 0
FLAG -1040 136 Vi
FLAG 832 88 0
FLAG 592 200 0
FLAG 304 200 0
FLAG 128 136 Vo
FLAG 1040 168 Vo2
SYMBOL res -816 104 R90
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL res -592 -104 R90
SYMATTR InstName R2
SYMATTR Value 0.707
SYMBOL res -496 120 R90
SYMATTR InstName R3
SYMATTR Value 1
SYMBOL cap -640 8 R90
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL Opamps\\opamp -672 72 R0
SYMATTR InstName U1
SYMBOL Opamps\\opamp -368 216 M180
SYMATTR InstName U2
SYMBOL Opamps\\opamp -256 -40 M0
SYMATTR InstName U3
SYMBOL cap -336 8 R90
SYMATTR InstName C1b
SYMATTR Value 1
SYMBOL res -192 -104 R90
SYMATTR InstName R4
SYMATTR Value 1
SYMBOL res -32 -104 R90
SYMATTR InstName R4b
SYMATTR Value 1
SYMBOL res -368 -216 R90
SYMATTR InstName R3b
SYMATTR Value 1
SYMBOL voltage -1040 120 R0
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value 0
SYMBOL res 224 120 R90
SYMATTR InstName R7
SYMATTR Value 1
SYMBOL res 448 -88 R90
SYMATTR InstName R8
SYMATTR Value 1.3065
SYMBOL res 544 136 R90
SYMATTR InstName R9
SYMATTR Value 1
SYMBOL cap 400 24 R90
SYMATTR InstName C3
SYMATTR Value 1
SYMBOL Opamps\\opamp 368 88 R0
SYMATTR InstName U4
SYMBOL Opamps\\opamp 656 104 R0
SYMATTR InstName U5
SYMBOL Opamps\\opamp 784 -24 M0
SYMATTR InstName U6
SYMBOL cap 704 24 R90
SYMATTR InstName C4
SYMATTR Value 1
SYMBOL res 848 -88 R90
SYMATTR InstName R10
SYMATTR Value 1
SYMBOL res 1008 -88 R90
SYMATTR InstName R11
SYMATTR Value 1
SYMBOL res 672 -200 R90
SYMATTR InstName R12
SYMATTR Value 1