* SPICE netlist
XU1 N004 N002 VSP VSN N003 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
XU2 N016 N014 VSP VSN N015 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R1 N002 P001 470
R2 N003 N002 15k
R3 N015 N014 15k
R4 N006 N003 10k
R5 N007 N006 10k
XU3 N013 N006 VSP VSN N007 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R6 N013 N015 10k
R7 0 N013 10k
R8 N010 N007 1k
R9 N011 N010 1k
C1 N010 Vout 100n
C2 N011 0 100n
XU4 N011 N008 VSP VSN Vout level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R10 N008 0 20k
R11 Vout N008 10k
V1 N004 N016 SINE(0 50m 50) AC 1
R12 N016 0 10k
V2 VSP 0 5V
V3 0 VSN 5V
R13 P001 N014 39
XU5 N012 N005 VSP 0 N009 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=0 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R14 N012 Vout 1k
R15 N009 N012 20k
V4 N001 0 5.4
R16 N001 N005 1k
R17 N005 0 1k
;dc V1 -5 5 1u
;ac dec 10000 1m 10k
.tran 160m

* LTspice schematic (.asc)
Version 4
SHEET 1 2432 784
WIRE 864 -376 688 -376
WIRE -512 -296 -576 -296
WIRE 688 -296 688 -376
WIRE -416 -280 -448 -280
WIRE -512 -264 -752 -264
WIRE 864 -264 864 -296
WIRE 992 -264 864 -264
WIRE 864 -248 864 -264
WIRE -1040 -216 -1136 -216
WIRE -416 -200 -416 -280
WIRE -336 -200 -416 -200
WIRE -240 -200 -256 -200
WIRE -208 -200 -240 -200
WIRE -96 -200 -128 -200
WIRE 240 -184 208 -184
WIRE 352 -184 320 -184
WIRE 400 -184 352 -184
WIRE 528 -184 480 -184
WIRE -1136 -168 -1136 -216
WIRE 208 -152 208 -184
WIRE -576 -88 -576 -296
WIRE -576 -88 -624 -88
WIRE -528 -88 -576 -88
WIRE -416 -88 -416 -200
WIRE -416 -88 -448 -88
WIRE -752 -40 -752 -264
WIRE 352 -24 352 -184
WIRE 400 -24 352 -24
WIRE 992 -24 992 -264
WIRE 1024 -24 992 -24
WIRE -240 -8 -240 -200
WIRE -192 -8 -240 -8
WIRE 528 -8 528 -184
WIRE 528 -8 464 -8
WIRE 576 -8 528 -8
WIRE 816 -8 576 -8
WIRE 1152 -8 1088 -8
WIRE 1216 -8 1152 -8
WIRE -1136 8 -1136 -88
WIRE -1136 8 -1216 8
WIRE -96 8 -96 -200
WIRE -96 8 -128 8
WIRE -16 8 -96 8
WIRE 112 8 64 8
WIRE 144 8 112 8
WIRE 272 8 224 8
WIRE 400 8 272 8
WIRE 816 8 816 -8
WIRE 960 8 896 8
WIRE 1024 8 960 8
WIRE -1216 24 -1216 8
WIRE -192 24 -240 24
WIRE -576 72 -624 72
WIRE -528 72 -576 72
WIRE -416 72 -448 72
WIRE -1136 104 -1136 8
WIRE 112 104 112 8
WIRE 272 104 272 8
WIRE 960 136 960 8
WIRE 1008 136 960 136
WIRE 1152 136 1152 -8
WIRE 1152 136 1088 136
WIRE 272 184 272 168
WIRE -416 200 -416 72
WIRE -352 200 -416 200
WIRE -240 200 -240 24
WIRE -240 200 -272 200
WIRE -176 200 -240 200
WIRE -64 200 -96 200
WIRE -1136 232 -1136 184
WIRE -1040 232 -1136 232
WIRE -64 232 -64 200
WIRE -576 248 -576 72
WIRE -512 248 -576 248
WIRE 112 248 112 168
WIRE 528 248 528 -8
WIRE 528 248 112 248
WIRE -416 264 -416 200
WIRE -416 264 -448 264
WIRE -752 280 -752 40
WIRE -512 280 -752 280
WIRE -752 312 -752 280
FLAG -64 232 0
FLAG 272 184 0
FLAG 208 -152 0
FLAG -752 392 0
FLAG -1216 24 0
FLAG -480 -312 VSP
FLAG -480 232 VSP
FLAG -160 -24 VSP
FLAG 432 -40 VSP
FLAG -1040 -216 VSP
FLAG -480 -248 VSN
FLAG -480 296 VSN
FLAG -160 40 VSN
FLAG 432 24 VSN
FLAG -1040 232 VSN
FLAG 576 -8 Vout
FLAG 1056 -40 VSP
FLAG 688 -216 0
FLAG 1056 24 0
FLAG 864 -168 0
SYMBOL OpAmps\\UniversalOpAmp2 -480 -280 R0
SYMATTR InstName U1
SYMBOL OpAmps\\UniversalOpAmp2 -480 264 R0
SYMATTR InstName U2
SYMBOL res -608 -104 M0
SYMATTR InstName R1
SYMATTR Value 470
SYMBOL res -432 -104 R90
SYMATTR InstName R2
SYMATTR Value 15k
SYMBOL res -432 56 R90
SYMATTR InstName R3
SYMATTR Value 15k
SYMBOL res -240 -216 R90
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res -112 -216 R90
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL OpAmps\\UniversalOpAmp2 -160 8 R0
SYMATTR InstName U3
SYMBOL res -256 184 R90
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res -80 184 R90
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res 80 -8 R90
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL res 240 -8 R90
SYMATTR InstName R9
SYMATTR Value 1k
SYMBOL cap 96 104 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap 256 104 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL OpAmps\\UniversalOpAmp2 432 -8 R0
SYMATTR InstName U4
SYMBOL res 336 -200 R90
SYMATTR InstName R10
SYMATTR Value 20k
SYMBOL res 496 -200 R90
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL voltage -752 -56 R0
SYMATTR Value SINE(0 50m 50)
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMBOL res -768 296 R0
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL voltage -1136 -184 R0
SYMATTR InstName V2
SYMATTR Value 5V
SYMBOL voltage -1136 88 R0
SYMATTR InstName V3
SYMATTR Value 5V
SYMBOL res -640 -24 R0
SYMATTR InstName R13
SYMATTR Value 39
SYMBOL OpAmps\\UniversalOpAmp2 1056 -8 R0
SYMATTR InstName U5
SYMBOL res 912 -8 R90
SYMATTR InstName R14
SYMATTR Value 1k
SYMBOL res 1104 120 R90
SYMATTR InstName R15
SYMATTR Value 20k
SYMBOL voltage 688 -312 R0
SYMATTR InstName V4
SYMATTR Value 5.4
SYMBOL res 848 -392 R0
SYMATTR InstName R16
SYMATTR Value 1k
SYMBOL res 848 -264 R0
SYMATTR InstName R17
SYMATTR Value 1k