* SPICE netlist
V1 +V 0 5
R1 N002 N001 20K
R2 N001 N004 10K
V2 IN 0 SINE(0 1 1K)
XU1 N006 N001 +V 0 N002 LT1215 ;pnba In+)In-)V+)V-)OUT
XU2 N008 N010 +V 0 N009 LT1215 ;pnba In+)In-)V+)V-)OUT
XU4 N003 N005 +V 0 N004 LT1215 ;pnba In+)In-)V+)V-)OUT
R3 N006 N007 10K
R4 0 N006 20K
R5 N002 N008 10K
R6 N008 N004 10K
C1 N002 N001 22p
R7 N009 N010 10K
R8 N010 N007 10K
C2 N009 N010 22p
R9 N004 N005 11.3K
C3 N004 N005 22p
XU3 N003 N012 +V 0 N007 LT1215 ;pnba In+)In-)V+)V-)OUT
R10 N007 N012 11.3K
C4 N007 N012 22p
R11 0 N003 10K
R12 N003 +V 20K
R13 N003 N011 1K
C5 IN N011 10
R14 OUT N009 100K
C6 OUT 0 1
.tran 1

* LTspice schematic (.asc)
Version 4
SHEET 1 944 832
WIRE -312 -400 -312 -416
WIRE 136 -368 120 -368
WIRE 296 -368 200 -368
WIRE -408 -352 -408 -368
WIRE -136 -320 -136 -336
WIRE -312 -304 -312 -320
WIRE -232 -304 -312 -304
WIRE -168 -304 -232 -304
WIRE -312 -288 -312 -304
WIRE -24 -288 -104 -288
WIRE -8 -288 -24 -288
WIRE 24 -288 -8 -288
WIRE 120 -288 120 -368
WIRE 120 -288 104 -288
WIRE 184 -288 120 -288
WIRE 296 -288 296 -368
WIRE 296 -288 264 -288
WIRE -168 -272 -216 -272
WIRE -408 -256 -408 -272
WIRE -136 -240 -136 -256
WIRE 184 -208 184 -224
WIRE -312 -192 -312 -208
WIRE -216 -192 -216 -272
WIRE -120 -192 -216 -192
WIRE -24 -192 -24 -288
WIRE -24 -192 -40 -192
WIRE 120 -192 120 -288
WIRE 152 -192 120 -192
WIRE 296 -176 296 -288
WIRE 296 -176 216 -176
WIRE 152 -160 120 -160
WIRE 184 -128 184 -144
WIRE -216 -112 -216 -192
WIRE -200 -112 -216 -112
WIRE -24 -112 -24 -192
WIRE -24 -112 -136 -112
WIRE 24 -64 -24 -64
WIRE 120 -64 120 -160
WIRE 120 -64 104 -64
WIRE 168 -64 120 -64
WIRE 264 -64 248 -64
WIRE -8 16 -8 -288
WIRE 8 16 -8 16
WIRE 120 16 88 16
WIRE 136 16 120 16
WIRE 296 16 296 -176
WIRE 296 16 216 16
WIRE 184 96 184 80
WIRE 120 112 120 16
WIRE 152 112 120 112
WIRE 296 128 216 128
WIRE 312 128 296 128
WIRE 408 128 392 128
WIRE 472 128 408 128
WIRE 152 144 120 144
WIRE 408 144 408 128
WIRE 184 176 184 160
WIRE -136 208 -136 192
WIRE -408 224 -472 224
WIRE -328 224 -344 224
WIRE -232 224 -232 -304
WIRE -232 224 -248 224
WIRE -168 224 -232 224
WIRE 408 224 408 208
WIRE -472 240 -472 224
WIRE -24 240 -24 -64
WIRE -24 240 -104 240
WIRE 8 240 -24 240
WIRE 120 240 120 144
WIRE 120 240 88 240
WIRE 184 240 120 240
WIRE 296 240 296 128
WIRE 296 240 264 240
WIRE -168 256 -216 256
WIRE -136 288 -136 272
WIRE 120 320 120 240
WIRE 136 320 120 320
WIRE 296 320 296 240
WIRE 296 320 200 320
WIRE -472 336 -472 320
WIRE -216 336 -216 256
WIRE -120 336 -216 336
WIRE -24 336 -24 240
WIRE -24 336 -40 336
WIRE -216 416 -216 336
WIRE -200 416 -216 416
WIRE -24 416 -24 336
WIRE -24 416 -136 416
FLAG -408 -256 0
FLAG 184 -224 +V
FLAG -408 -368 +V
FLAG -472 336 0
FLAG 184 176 +V
FLAG 184 -128 0
FLAG 184 80 0
FLAG -136 -240 +V
FLAG -136 -336 0
FLAG 264 -64 0
FLAG -136 288 +V
FLAG -136 192 0
FLAG -312 -192 0
FLAG -312 -416 +V
FLAG 408 224 0
FLAG 472 128 OUT
FLAG -472 224 IN
SYMBOL voltage -408 -368 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 280 -304 R90
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL res 120 -304 R90
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL voltage -472 224 R0
SYMATTR InstName V2
SYMATTR Value SINE(0 1 1K)
SYMBOL opamps\\LT1216 184 -240 R0
SYMATTR InstName U1
SYMBOL opamps\\LT1216 184 192 M180
SYMATTR InstName U2
SYMBOL opamps\\LT1216 -136 -224 M180
SYMATTR InstName U4
SYMBOL res 120 -80 R90
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 264 -80 R90
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL res 232 0 R90
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res 104 0 R90
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL cap 200 -384 R90
SYMATTR InstName C1
SYMATTR Value 22p
SYMBOL res 280 224 R90
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res 104 224 R90
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL cap 200 304 R90
SYMATTR InstName C2
SYMATTR Value 22p
SYMBOL res -24 -208 R90
SYMATTR InstName R9
SYMATTR Value 11.3K
SYMBOL cap -136 -128 R90
SYMATTR InstName C3
SYMATTR Value 22p
SYMBOL opamps\\LT1216 -136 304 M180
SYMATTR InstName U3
SYMBOL res -24 320 R90
SYMATTR InstName R10
SYMATTR Value 11.3K
SYMBOL cap -136 400 R90
SYMATTR InstName C4
SYMATTR Value 22p
SYMBOL res -328 -192 M180
SYMATTR InstName R11
SYMATTR Value 10K
SYMBOL res -328 -304 M180
SYMATTR InstName R12
SYMATTR Value 20K
SYMBOL res -232 208 R90
SYMATTR InstName R13
SYMATTR Value 1K
SYMBOL cap -408 240 R270
SYMATTR InstName C5
SYMATTR Value 10
SYMBOL res 408 112 R90
SYMATTR InstName R14
SYMATTR Value 100K
SYMBOL cap 392 144 R0
SYMATTR InstName C6
SYMATTR Value 1