* SPICE netlist
V1 N001 0 PULSE(0 1 0 0 0 1e-3 1) AC 1
L1 N001 N002 .92222
L2 N002 N003 .8248
L3 N003 PassiveOut .1844
R1 PassiveOut 0 600
C1 N002 0 2.81e-6
C2 N003 0 1.483e-6
R2 N010 N001 19.747k
R3 N011 N010 19.747k
R4 N005 0 1k
R5 N008 N007 11.435k
R6 N009 N008 11.435k
R7 N006 0 1k
R8 ActiveOut N006 1.66k
R9 N007 N005 582
C3 N010 N007 100n
C4 N011 0 100n
C5 N008 ActiveOut 100n
C6 N009 0 100n
V2 0 N012 12
V3 N004 0 12
XU1 N011 N005 N007 N004 N012 LT1457 ;pnba IN+)IN-)OUT)VCC)VEE
XU2 N009 N006 ActiveOut N004 N012 LT1457 ;pnba IN+)IN-)OUT)VCC)VEE
.ac dec 1e2 10 1e3
;tran .05

* LTspice schematic (.asc)
Version 4
SHEET 1 752 512
WIRE -248 -256 -328 -256
WIRE -152 -256 -168 -256
WIRE -136 -256 -152 -256
WIRE -40 -256 -56 -256
WIRE -24 -256 -40 -256
WIRE 88 -256 56 -256
WIRE 376 -256 88 -256
WIRE 88 -240 88 -256
WIRE -328 -176 -328 -256
WIRE -328 -176 -376 -176
WIRE -152 -176 -152 -256
WIRE -40 -176 -40 -256
WIRE -328 -160 -328 -176
WIRE 88 -144 88 -160
WIRE 328 -112 232 -112
WIRE 328 -96 328 -112
WIRE -328 -80 -328 -96
WIRE -328 -64 -328 -80
WIRE -152 -64 -152 -112
WIRE -152 -64 -328 -64
WIRE -40 -64 -40 -112
WIRE -40 -64 -152 -64
WIRE -328 -48 -328 -64
WIRE 232 -48 232 -112
WIRE 232 -48 -40 -48
WIRE -248 0 -264 0
WIRE -152 0 -168 0
WIRE -136 0 -152 0
WIRE 72 0 56 0
WIRE 168 0 152 0
WIRE 200 0 168 0
WIRE 296 0 280 0
WIRE 328 0 328 -16
WIRE -264 16 -264 0
WIRE 56 16 56 0
WIRE 232 16 232 -48
WIRE -40 32 -40 -48
WIRE -40 32 -104 32
WIRE 168 32 168 0
WIRE 200 32 168 32
WIRE -152 48 -152 0
WIRE -136 48 -152 48
WIRE 296 48 296 0
WIRE 296 48 264 48
WIRE 376 48 296 48
WIRE -56 64 -56 0
WIRE -56 64 -72 64
WIRE -40 64 -56 64
WIRE 56 64 40 64
WIRE 72 64 56 64
WIRE 168 64 152 64
WIRE 200 64 168 64
WIRE -376 80 -376 -176
WIRE -360 80 -376 80
WIRE -264 80 -280 80
WIRE -248 80 -264 80
WIRE -152 80 -168 80
WIRE -136 80 -152 80
WIRE 56 96 56 64
WIRE 168 96 168 64
WIRE -264 112 -264 80
WIRE -152 112 -152 80
WIRE -104 128 -104 96
WIRE 8 128 -104 128
WIRE 8 144 8 128
WIRE 232 144 232 80
WIRE 232 144 8 144
WIRE 8 160 8 144
WIRE -264 176 -264 160
WIRE -152 176 -152 160
WIRE 8 176 8 160
WIRE 168 176 168 160
WIRE -264 208 -264 176
WIRE -56 208 -56 64
WIRE -56 208 -264 208
WIRE 56 208 56 160
WIRE 296 208 296 48
WIRE 296 208 56 208
WIRE 8 256 8 240
FLAG -264 16 0
FLAG 56 16 0
FLAG -152 176 0
FLAG 168 176 0
FLAG 328 0 0
FLAG 8 256 0
FLAG 376 -256 PassiveOut
FLAG 376 48 ActiveOut
FLAG -328 -48 0
FLAG 88 -144 0
SYMBOL voltage -328 -176 R0
SYMATTR Value PULSE(0 1 0 0 0 1e-3 1)
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMBOL ind -264 -240 R270
SYMATTR InstName L1
SYMATTR Value .92222
SYMBOL ind -152 -240 R270
SYMATTR InstName L2
SYMATTR Value .8248
SYMBOL ind -40 -240 R270
SYMATTR InstName L3
SYMATTR Value .1844
SYMBOL res 72 -256 R0
SYMATTR InstName R1
SYMATTR Value 600
SYMBOL cap -168 -176 R0
SYMATTR InstName C1
SYMATTR Value 2.81e-6
SYMBOL cap -56 -176 R0
SYMATTR InstName C2
SYMATTR Value 1.483e-6
SYMBOL res -264 64 R90
SYMATTR InstName R2
SYMATTR Value 19.747k
SYMBOL res -152 64 R90
SYMATTR InstName R3
SYMATTR Value 19.747k
SYMBOL res -152 -16 R90
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 56 48 R90
SYMATTR InstName R5
SYMATTR Value 11.435k
SYMBOL res 168 48 R90
SYMATTR InstName R6
SYMATTR Value 11.435k
SYMBOL res 168 -16 R90
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 296 -16 R90
SYMATTR InstName R8
SYMATTR Value 1.66k
SYMBOL res -40 -16 R90
SYMATTR InstName R9
SYMATTR Value 582
SYMBOL cap -280 112 R0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL cap -168 112 R0
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL cap 40 96 R0
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL cap 152 96 R0
SYMATTR InstName C6
SYMATTR Value 100n
SYMBOL voltage 8 256 R180
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL voltage 328 -112 R0
SYMATTR InstName V3
SYMATTR Value 12
SYMBOL Opamps\\LT1457 -104 64 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1457 232 48 R0
SYMATTR InstName U2