* SPICE netlist
V1 +V 0 3.3
R1 N001 IN 29.5K
V2 IN 0 1.65 AC 1
C1 N002 N001 10000p
R2 N003 N002 8.6K
C2 N004 N003 10000p
R3 N005 N004 11.8K
C3 N006 N005 10000p
R4 N007 N006 21.5K
C4 OUT N007 10000p
R5 N008 +V 10K
R6 N008 0 10K
R7 OUT N009 11.8K
XU1 N004 N001 +V 0 N002 LT1466 ;pnba In+)In-)V+)V-)OUT
XU2 N008 N003 +V 0 N004 LT1466 ;pnba In+)In-)V+)V-)OUT
XU3 N009 N005 +V 0 N006 LT1466 ;pnba In+)In-)V+)V-)OUT
XU4 N008 N007 +V 0 OUT LT1466 ;pnba In+)In-)V+)V-)OUT
.ac oct 100 10 10K
.options gminsteps=0 srcsteps=0

* LTspice schematic (.asc)
Version 4
SHEET 1 1312 448
WIRE -400 -208 -432 -208
WIRE -304 -208 -336 -208
WIRE -112 -192 -144 -192
WIRE 32 -192 -48 -192
WIRE 208 -176 176 -176
WIRE 304 -176 272 -176
WIRE 496 -160 464 -160
WIRE 640 -160 560 -160
WIRE -368 -96 -368 -112
WIRE -544 -80 -656 -80
WIRE -432 -80 -432 -208
WIRE -432 -80 -464 -80
WIRE -400 -80 -432 -80
WIRE -80 -80 -80 -96
WIRE -656 -64 -656 -80
WIRE -304 -64 -304 -208
WIRE -304 -64 -336 -64
WIRE -256 -64 -304 -64
WIRE -144 -64 -144 -192
WIRE -144 -64 -176 -64
WIRE -112 -64 -144 -64
WIRE 240 -64 240 -80
WIRE -400 -48 -432 -48
WIRE 32 -48 32 -192
WIRE 32 -48 -48 -48
WIRE 80 -48 32 -48
WIRE 176 -48 176 -176
WIRE 176 -48 160 -48
WIRE 208 -48 176 -48
WIRE 528 -48 528 -64
WIRE -112 -32 -144 -32
WIRE 304 -32 304 -176
WIRE 304 -32 272 -32
WIRE 352 -32 304 -32
WIRE 464 -32 464 -160
WIRE 464 -32 432 -32
WIRE 496 -32 464 -32
WIRE -368 -16 -368 -32
WIRE 208 -16 192 -16
WIRE 640 -16 640 -160
WIRE 640 -16 560 -16
WIRE 656 -16 640 -16
WIRE -80 0 -80 -16
WIRE 496 0 464 0
WIRE 240 16 240 0
WIRE -656 32 -656 16
WIRE 528 32 528 16
WIRE -432 48 -432 -48
WIRE 32 48 32 -48
WIRE 32 48 -432 48
WIRE 192 64 192 -16
WIRE 320 64 192 64
WIRE 640 64 640 -16
WIRE 640 64 400 64
WIRE -304 112 -416 112
WIRE -144 112 -144 -32
WIRE -144 112 -224 112
WIRE 464 112 464 0
WIRE 464 112 -144 112
WIRE -416 128 -416 112
WIRE -144 128 -144 112
WIRE -416 224 -416 208
WIRE -144 224 -144 208
FLAG -416 224 0
FLAG -368 -112 +V
FLAG -416 112 +V
FLAG 656 -16 OUT
FLAG -656 -80 IN
FLAG -656 32 0
FLAG -80 -96 +V
FLAG 240 -80 +V
FLAG 528 -64 +V
FLAG -368 -16 0
FLAG -80 0 0
FLAG 240 16 0
FLAG 528 32 0
FLAG -144 224 0
SYMBOL voltage -416 112 R0
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL res -448 -96 R90
SYMATTR InstName R1
SYMATTR Value 29.5K
SYMBOL voltage -656 -80 R0
SYMATTR Value2 AC 1
SYMATTR Value 1.65
SYMATTR InstName V2
SYMBOL cap -336 -224 R90
SYMATTR InstName C1
SYMATTR Value 10000p
SYMBOL res -160 -80 R90
SYMATTR InstName R2
SYMATTR Value 8.6K
SYMBOL cap -48 -208 R90
SYMATTR InstName C2
SYMATTR Value 10000p
SYMBOL res 176 -64 R90
SYMATTR InstName R3
SYMATTR Value 11.8K
SYMBOL cap 272 -192 R90
SYMATTR InstName C3
SYMATTR Value 10000p
SYMBOL res 448 -48 R90
SYMATTR InstName R4
SYMATTR Value 21.5K
SYMBOL cap 560 -176 R90
SYMATTR InstName C4
SYMATTR Value 10000p
SYMBOL res -208 96 R90
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res -160 112 R0
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL res 416 48 R90
SYMATTR InstName R7
SYMATTR Value 11.8K
SYMBOL opamps\\LT1467 -368 -128 R0
SYMATTR InstName U1
SYMBOL opamps\\LT1467 -80 -112 R0
SYMATTR InstName U2
SYMBOL opamps\\LT1467 240 -96 R0
SYMATTR InstName U3
SYMBOL opamps\\LT1467 528 -80 R0
SYMATTR InstName U4