* Z:\home\khalils\Downloads\files\data\raw_asc\08ae211791c2_LowMidrangeFilterSK.asc
* Generated by LTspice 26.0.1 for Windows.
* [250Hz to 500Hz]
;tran 0.05
R5 0 N004 19.2k
R7 F2 N002 139k
XU1 N003 0 F1 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
XU3 N006 0 F3 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R2 N001 0 45.1k
C2 N003 N001 4.7n
XU2 N005 0 F2 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R4 N004 F1 142k
R3 F1 N003 271k
C3 F2 N004 3.3n
C5 F3 N002 6.2n
C1 F1 N001 4.7n
V1 Vi 0 SINE(0 1 260) AC 1
R6 F2 N005 595k
R8 N002 0 18.9k
C6 N006 N002 6.2n
R9 F3 N006 583k
R1 N001 Vi 135k
C4 N005 N004 3.3n
.lib opamp.sub
.ac dec 100 100 1000
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1296 680
WIRE -208 16 -256 16
WIRE -80 16 -144 16
WIRE 192 16 -80 16
WIRE 480 16 416 16
WIRE 736 16 480 16
WIRE 896 16 880 16
WIRE 1024 16 960 16
WIRE 1264 16 1024 16
WIRE -400 144 -480 144
WIRE -256 144 -256 16
WIRE -256 144 -320 144
WIRE -208 144 -256 144
WIRE -80 144 -80 96
WIRE -80 144 -144 144
WIRE 64 144 -80 144
WIRE 352 144 352 16
WIRE 352 144 320 144
WIRE 480 144 480 96
WIRE 480 144 416 144
WIRE 624 144 480 144
WIRE 880 144 880 16
WIRE 880 144 848 144
WIRE 896 144 880 144
WIRE 1024 144 1024 96
WIRE 1024 144 960 144
WIRE 1136 144 1024 144
WIRE 192 160 192 16
WIRE 192 160 128 160
WIRE 240 160 240 144
WIRE 240 160 192 160
WIRE 736 160 736 16
WIRE 736 160 688 160
WIRE 768 160 768 144
WIRE 768 160 736 160
WIRE 1264 160 1264 16
WIRE 1264 160 1200 160
WIRE -480 176 -480 144
WIRE 64 176 -32 176
WIRE 624 176 528 176
WIRE 1136 176 1040 176
WIRE -256 192 -256 144
WIRE 352 192 352 144
WIRE 880 192 880 144
WIRE -480 288 -480 256
WIRE -256 288 -256 272
WIRE -32 288 -32 176
WIRE 352 288 352 272
WIRE 528 288 528 176
WIRE 880 288 880 272
WIRE 1040 288 1040 176
SYMBOL res 1008 0 R0
SYMATTR InstName R9
SYMATTR Value 583k
SYMBOL res 864 176 R0
SYMATTR InstName R8
SYMATTR Value 18.9k
SYMBOL OpAmps\\opamp 96 96 R0
SYMATTR InstName U1
SYMBOL cap 960 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 6.2n
SYMBOL cap 960 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 6.2n
SYMBOL OpAmps\\opamp 656 96 R0
SYMATTR InstName U2
SYMBOL cap 416 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 3.3n
SYMBOL res 368 288 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 19.2k
SYMBOL res -96 0 R0
SYMATTR InstName R3
SYMATTR Value 271k
SYMBOL cap 416 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 3.3n
SYMBOL res 336 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 142k
SYMBOL res -272 176 R0
SYMATTR InstName R2
SYMATTR Value 45.1k
SYMBOL res -304 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 135k
SYMBOL cap -144 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 4.7n
SYMBOL cap -144 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 4.7n
SYMBOL voltage -480 160 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value SINE(0 1 260)
SYMBOL res 464 0 R0
SYMATTR InstName R6
SYMATTR Value 595k
SYMBOL OpAmps\\opamp 1168 96 R0
SYMATTR InstName U3
SYMBOL res 752 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 139k
FLAG 528 288 0
FLAG -480 288 0
FLAG 192 16 F1
FLAG 736 16 F2
FLAG -480 144 Vi
FLAG 1040 288 0
FLAG 1264 16 F3
FLAG 880 288 0
FLAG 352 288 0
FLAG -32 288 0
FLAG -256 288 0
TEXT 496 -96 Left 2 !;tran 0.05
TEXT 184 -48 Left 2 !.lib opamp.sub
TEXT 496 -56 Left 2 !.ac dec 100 100 1000
TEXT -80 -48 Left 2 ;[250Hz to 500Hz]