* Z:\tmp\asc_dec_bjh7r6w2\066e35a517a0_Idea_Filtrado_dec2.asc
* Generated by LTspice 26.0.1 for Windows.
XU24 N028 N023 a b N023 LT1057 ;pnba In+)In-)V+)V-)OUT
R44 N027 N021 10k
R12 0 N011 1k
R14 N001 N005 22k
XU21 N030 N017 a b N018 LT1057 ;pnba In+)In-)V+)V-)OUT
R41 N018 N028 11k
V12 N025 0 SINE(0 2m 10k)
R31 0 N024 50
R39 N029 N017 500
V8 N008 0 SINE(0 2m 11k)
V7 0 b 9
C6 N001 N005 100p
C19 N022 N029 1.8n
R43 N019 N031 4k
D1 N015 NC_01 D
XU20 0 N016 a b N022 LT1057 ;pnba In+)In-)V+)V-)OUT
R18 N006 N003 1k
R15 N013 N002 500
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
* Library below included based on ModelFile attribute of instance XU24, XU21, XU20 (C:\users\khalils\AppData\Local\LTspice\lib\sym\OpAmps\LT1057.asy)
.lib LTC.lib
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1448 2024
WIRE 288 688 272 688
WIRE 608 736 576 736
WIRE 1136 736 1104 736
WIRE -240 752 -416 752
WIRE 272 752 272 688
WIRE 288 752 272 752
WIRE 368 752 368 688
WIRE 368 752 352 752
WIRE 1008 784 880 784
WIRE -416 816 -416 752
WIRE -352 816 -416 816
WIRE -144 832 -144 752
WIRE -144 832 -160 832
WIRE -48 832 -144 832
WIRE 272 832 272 752
WIRE 272 832 256 832
WIRE 288 832 272 832
WIRE 576 832 576 736
WIRE 576 832 560 832
WIRE 624 832 576 832
WIRE 880 832 880 784
WIRE 928 832 880 832
WIRE -528 848 -608 848
WIRE -352 848 -480 848
WIRE 32 848 32 752
WIRE 32 848 16 848
WIRE 48 848 32 848
WIRE 144 848 112 848
WIRE 176 848 144 848
WIRE 256 848 256 832
WIRE 368 848 368 752
WIRE 368 848 352 848
WIRE 848 848 832 848
WIRE 880 848 848 848
WIRE 1008 848 1008 784
WIRE 1008 848 992 848
WIRE 1024 848 1008 848
WIRE 1104 848 1104 736
WIRE 1120 848 1104 848
WIRE -48 864 -80 864
WIRE 288 864 272 864
WIRE 368 864 368 848
WIRE 400 864 368 864
WIRE 480 864 464 864
WIRE 560 864 560 832
WIRE 624 864 608 864
WIRE 880 864 880 848
WIRE 928 864 880 864
WIRE 1216 864 1216 736
WIRE 1216 864 1184 864
WIRE -80 880 -80 864
WIRE 608 880 608 864
WIRE 1120 880 1104 880
WIRE 848 896 848 848
WIRE 144 912 144 848
WIRE 272 912 272 864
WIRE 1104 912 1104 880
WIRE -528 960 -528 848
WIRE -480 960 -480 928
WIRE -480 960 -528 960
WIRE -608 976 -608 928
WIRE -480 992 -480 960
WIRE 304 1152 288 1152
WIRE 624 1200 592 1200
WIRE 736 1200 704 1200
WIRE 1152 1200 1120 1200
WIRE -256 1216 -400 1216
WIRE 32 1216 -64 1216
WIRE 288 1216 288 1152
WIRE 304 1216 288 1216
WIRE 384 1216 384 1152
WIRE 384 1216 368 1216
WIRE 1024 1248 896 1248
WIRE -400 1280 -400 1216
WIRE -336 1280 -400 1280
WIRE -256 1296 -256 1216
WIRE -256 1296 -272 1296
WIRE -160 1296 -192 1296
WIRE -64 1296 -64 1216
WIRE -64 1296 -80 1296
WIRE 32 1296 -64 1296
WIRE 288 1296 288 1216
WIRE 288 1296 272 1296
WIRE 304 1296 288 1296
WIRE 592 1296 592 1200
WIRE 592 1296 576 1296
WIRE 640 1296 592 1296
WIRE 896 1296 896 1248
WIRE 944 1296 896 1296
WIRE -512 1312 -592 1312
WIRE -336 1312 -464 1312
WIRE 112 1312 112 1216
WIRE 112 1312 96 1312
WIRE 192 1312 112 1312
WIRE 272 1312 272 1296
WIRE 384 1312 384 1216
WIRE 384 1312 368 1312
WIRE 736 1312 736 1200
WIRE 736 1312 704 1312
WIRE 768 1312 736 1312
WIRE 864 1312 848 1312
WIRE 896 1312 864 1312
WIRE 1024 1312 1024 1248
WIRE 1024 1312 1008 1312
WIRE 1040 1312 1024 1312
WIRE 1120 1312 1120 1200
WIRE 1136 1312 1120 1312
WIRE 32 1328 0 1328
WIRE 304 1328 288 1328
WIRE 384 1328 384 1312
WIRE 416 1328 384 1328
WIRE 496 1328 480 1328
WIRE 576 1328 576 1296
WIRE 640 1328 624 1328
WIRE 896 1328 896 1312
WIRE 944 1328 896 1328
WIRE 1232 1328 1232 1200
WIRE 1232 1328 1200 1328
WIRE 1280 1328 1232 1328
WIRE 0 1344 0 1328
WIRE 624 1344 624 1328
WIRE 1136 1344 1120 1344
WIRE -192 1360 -192 1296
WIRE 864 1360 864 1312
WIRE 288 1376 288 1328
WIRE 1120 1376 1120 1344
WIRE -512 1424 -512 1312
WIRE -464 1424 -464 1392
WIRE -464 1424 -512 1424
WIRE -592 1440 -592 1392
WIRE -464 1456 -464 1424
SYMBOL OpAmps/LT1057 976 1248 R0
SYMATTR InstName U24
SYMBOL Res 128 1200 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R44
SYMATTR Value 10k
SYMBOL Res 160 1008 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R12
SYMATTR Value 1k
SYMBOL Res 272 704 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R14
SYMATTR Value 22k
SYMBOL OpAmps/LT1057 672 1248 R0
SYMATTR InstName U21
SYMBOL Res 752 1328 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R41
SYMATTR Value 11k
SYMBOL Voltage -592 1296 R0
WINDOW 3 -146 -43 Left 2
SYMATTR Value SINE(0 2m 10k)
SYMATTR InstName V12
SYMBOL Res -176 1456 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R31
SYMATTR Value 50
SYMBOL Res 480 1344 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R39
SYMATTR Value 500
SYMBOL Voltage -608 832 R0
WINDOW 3 -146 -43 Left 2
SYMATTR Value SINE(0 2m 11k)
SYMATTR InstName V8
SYMBOL Voltage 48 1008 R0
SYMATTR InstName V7
SYMATTR Value 9
SYMBOL Cap 288 768 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL Cap 416 1344 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C19
SYMATTR Value 1.8n
SYMBOL Res 1136 1216 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R43
SYMATTR Value 4k
SYMBOL schottky 1216 880 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL OpAmps/LT1057 336 1248 R0
SYMATTR InstName U20
SYMBOL Res 1008 864 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R18
SYMATTR Value 1k
SYMBOL Res 464 880 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R15
SYMATTR Value 500
FLAG 144 992 0
FLAG 1104 912 0
FLAG 848 960 0
FLAG 272 912 0
FLAG -112 1072 0
FLAG 48 1024 0
FLAG -112 992 a
FLAG 320 816 a
FLAG -16 816 a
FLAG 656 816 a
FLAG 1152 832 a
FLAG 48 1104 b
FLAG -16 880 b
FLAG 320 880 b
FLAG 656 880 b
FLAG 1152 896 b
FLAG -80 880 0
FLAG 960 816 a
FLAG 960 880 b
FLAG -608 976 0
FLAG 608 960 0
FLAG 1120 1376 0
FLAG 864 1424 0
FLAG 288 1376 0
FLAG 336 1280 a
FLAG 64 1280 a
FLAG 672 1280 a
FLAG 1168 1296 a
FLAG 64 1344 b
FLAG 336 1344 b
FLAG 672 1344 b
FLAG 1168 1360 b
FLAG 0 1344 0
FLAG -304 1264 a
FLAG -304 1328 b
FLAG 976 1280 a
FLAG 976 1344 b
FLAG -592 1440 0
FLAG 624 1424 0
FLAG -192 1440 0
FLAG 1280 928 0