* SPICE netlist
V1 +V 0 15
V2 -V 0 -15
R1 N006 N005 100K
R2 N003 N001 100K
V3 IN+ 0 SINE(0 1 10)
R3 N005 N003 1K
R4 N002 N001 100K
R5 N004 N006 100K
R6 OUT N002 100K
R7 0 N004 100K
V4 IN- IN+ SINE(0 10m 100)
R8 N007 IN- 10Meg
R9 N007 IN+ 5Meg
R10 N007 N008 10Meg
C1 N008 N007 10p
R11 N007 -V 100K
XU1 IN+ N005 +V -V N006 LT1013 ;pnba In+)In-)V+)V-)OUT
XU2 N004 N002 +V -V OUT LT1013 ;pnba In+)In-)V+)V-)OUT
XU3 IN- N003 +V -V N001 LT1013 ;pnba In+)In-)V+)V-)OUT
XU4 IN+ N008 +V -V N007 LT1013 ;pnba In+)In-)V+)V-)OUT
.tran 300m

* LTspice schematic (.asc)
Version 4
SHEET 1 1008 704
WIRE 40 -336 40 -352
WIRE -328 -320 -504 -320
WIRE -168 -320 -328 -320
WIRE 8 -320 -168 -320
WIRE 184 -304 72 -304
WIRE 248 -304 184 -304
WIRE 344 -304 328 -304
WIRE 360 -304 344 -304
WIRE 456 -304 440 -304
WIRE 8 -288 -8 -288
WIRE 184 -288 184 -304
WIRE 40 -256 40 -272
WIRE -168 -208 -168 -320
WIRE -8 -192 -8 -288
WIRE 184 -192 184 -208
WIRE 184 -192 -8 -192
WIRE 184 -176 184 -192
WIRE -504 -160 -504 -320
WIRE 392 -160 392 -176
WIRE 344 -144 344 -304
WIRE 360 -144 344 -144
WIRE 456 -128 456 -304
WIRE 456 -128 424 -128
WIRE 504 -128 456 -128
WIRE 360 -112 344 -112
WIRE 184 -80 184 -96
WIRE 184 -80 -8 -80
WIRE 392 -80 392 -96
WIRE 184 -64 184 -80
WIRE 40 0 40 -16
WIRE -8 16 -8 -80
WIRE 8 16 -8 16
WIRE 184 32 184 16
WIRE 184 32 72 32
WIRE 248 32 184 32
WIRE 344 32 344 -112
WIRE 344 32 328 32
WIRE 360 32 344 32
WIRE 456 32 440 32
WIRE -504 48 -504 -80
WIRE -328 48 -504 48
WIRE -264 48 -328 48
WIRE -8 48 -264 48
WIRE 8 48 -8 48
WIRE -504 64 -504 48
WIRE 40 80 40 64
WIRE -264 96 -264 48
WIRE 184 112 184 96
WIRE -504 160 -504 144
WIRE 40 176 40 160
WIRE -8 192 -8 48
WIRE 8 192 -8 192
WIRE 184 208 184 192
WIRE 184 208 72 208
WIRE -264 224 -264 176
WIRE -168 224 -168 -128
WIRE -168 224 -264 224
WIRE -152 224 -168 224
WIRE -56 224 -72 224
WIRE 8 224 -56 224
WIRE -56 240 -56 224
WIRE -472 256 -472 240
WIRE -360 256 -360 240
WIRE 40 256 40 240
WIRE -168 320 -168 224
WIRE -56 320 -56 304
WIRE -56 320 -168 320
WIRE 184 320 184 208
WIRE 184 320 -56 320
WIRE -472 352 -472 336
WIRE -360 352 -360 336
FLAG -360 352 0
FLAG 40 -16 +V
FLAG -360 240 +V
FLAG 40 80 -V
FLAG -472 352 0
FLAG -472 240 -V
FLAG -504 160 0
FLAG 40 -256 +V
FLAG 40 -352 -V
FLAG 392 -176 +V
FLAG 392 -80 -V
FLAG 456 32 0
FLAG 40 256 +V
FLAG 40 160 -V
FLAG 184 96 -V
FLAG 504 -128 OUT
FLAG -328 -320 IN-
FLAG -328 48 IN+
SYMBOL voltage -360 240 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -472 240 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL res 168 32 M180
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL res 168 -192 M180
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL voltage -504 48 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 1 10)
SYMBOL res 168 -80 M180
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL res 344 -320 R90
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL res 344 16 R90
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL res 456 -320 R90
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL res 456 16 R90
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL voltage -504 -176 R0
SYMATTR InstName V4
SYMATTR Value SINE(0 10m 100)
SYMBOL res -184 -112 M180
SYMATTR InstName R8
SYMATTR Value 10Meg
SYMBOL res -280 192 M180
SYMATTR InstName R9
SYMATTR Value 5Meg
SYMBOL res -168 208 M90
SYMATTR InstName R10
SYMATTR Value 10Meg
SYMBOL cap -72 240 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL res 168 208 M180
SYMATTR InstName R11
SYMATTR Value 100K
SYMBOL opamps\\LT1014A 40 -32 R0
SYMATTR InstName U1
SYMBOL opamps\\LT1014A 392 -192 R0
SYMATTR InstName U2
SYMBOL opamps\\LT1014A 40 -240 M180
SYMATTR InstName U3
SYMBOL opamps\\LT1014A 40 272 M180
SYMATTR InstName U4