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Active Filters

An active filter is a type of analog circuit that implements an electronic filter to a signal using active components such as an amplifier. When an amplifier is included in a filter design or application, it can improve the predictability and performance of the filter.


Types of Active Filters


  • Brand Pass Filters

  • Brand Reject Filter

  • High Pass Filter

  • Low pass Filter

  • Quad Filters and Universal Filters are devices that can be programmed to perform one of the other types of active filters

  • Notch Filter

...
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Filters

Viewing 1 - 20 of 112 products
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Description Price Filter Type Maximum Order Architecture Cut-off Frequency Power Supply Type Typical Single Supply Voltage Typical Dual Supply Voltage Number of Circuits Mounting Type Package Type Pin Count Dimensions Height Length
Linear Technology LTC1064-2CN#PBF, Active Filter, Low Pass Filter, 8th Order 140kHz, 14-Pin PDIP
RS Stock No. 545-6054
Mfr. Part No.LTC1064-2CN#PBF
BrandAnalog Devices
HK$178.18
Each
units
 Low Pass Filter 8th - 140kHz Dual, Single 5 V, 9 V, 12 V, 15 V ±3 V, ±5 V 1 Through Hole PDIP 14 19.56 x 6.48 x 3.3mm 3.3mm 19.56mm
Linear Technology LTC1064-2CN#PBF, Active Filter
RS Stock No. 153-3479
Mfr. Part No.LTC1064-2CN#PBF
BrandAnalog Devices
HK$142.544
Each (In a Tube of 50)
units
 Low Pass Filter 8th - 140kHz Dual, Single 5 V, 9 V, 12 V, 15 V ±3 V, ±5 V 1 Through Hole PDIP 14 19.56 x 6.48 x 3.3mm 3.3mm 19.56mm
Texas Instruments UAF42AUE4, Active Filter, Quad, Universal Filter, 2nd Order Switched Capacitor 100kHz, 16-Pin SOIC
RS Stock No. 709-2166
Mfr. Part No.UAF42AU
BrandTexas Instruments
HK$164.12
Each
units
 Universal Filter 2nd Switched Capacitor 100kHz Dual - ±15V 4 Surface Mount SOIC 16 10.28 x 7.52 x 2.35mm 2.35mm 10.28mm
MAX293CPA+, Active Filters
RS Stock No. 192-3348
Mfr. Part No.MAX293CPA+
BrandMaxim Integrated
HK$74.25
Each
units
 Low Pass Filter 8th Switched Capacitor 25kHz Dual, Single 5 V ±5V 1 Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 4.45mm 9.91mm
Linear Technology LTC1564IG#PBF, Active Filter, Low Pass Filter, 8th Order Continuous Time 150kHz, 16-Pin SSOP
RS Stock No. 919-9409
Mfr. Part No.LTC1564IG#PBF
BrandAnalog Devices
HK$138.665
Each (In a Tube of 77)
units
 Low Pass Filter 8th Continuous Time 150kHz Dual, Single 2.7 → 10.5 V ±2.375 → ±5V - Surface Mount SSOP 16 6.5 x 5.6 x 1.95mm 1.95mm 6.5mm
Linear Technology LTC1068CN#PBF, Active Filter, Quad, Universal Filter, 8th Order Switched Capacitor 50kHz, 24-Pin PDIP
RS Stock No. 145-7525
Mfr. Part No.LTC1068CN#PBF
BrandAnalog Devices
HK$126.76
Each (In a Tube of 15)
units
 Universal Filter 8th Switched Capacitor 50kHz Dual, Single 3.3 V, 5 V ±5V 4 Through Hole PDIP 24 32.51 x 6.48 x 3.3mm 3.3mm 32.51mm
8thOrder Butterworth Switched-Cap Filter
RS Stock No. 190-7126
Mfr. Part No.MAX7480ESA+
BrandMaxim Integrated
HK$39.29
Each (In a Pack of 2)
units
 - - - - - - - - - - - - - -
New
UAF42AP, Active Filters
RS Stock No. 197-7615
Mfr. Part No.UAF42AP
BrandTexas Instruments
HK$176.44
Each
units
 - 2nd - - - - - 1 - PDIP 14 - - -
Maxim MAX291CPA+, Active Filter, Low Pass Filter, 8th Order Switched Capacitor 25kHz, 8-Pin PDIP
RS Stock No. 165-4556
Mfr. Part No.MAX291CPA+
BrandMaxim Integrated
HK$85.233
Each (In a Tube of 50)
units
 Low Pass Filter 8th Switched Capacitor 25kHz Dual, Single 5 V ±5V 1 Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 4.45mm 9.91mm
, Active Filter
RS Stock No. 158-0343
Mfr. Part No.LTC1067CS#PBF
BrandAnalog Devices
HK$47.999
Each (In a Tube of 50)
units
 Universal Filter 2nd, 4th Switched Capacitor 20kHz Dual, Single 3 V ±5V 2 Surface Mount SOIC 16 10.008 x 3.988 x 1.5mm 1.5mm 10.01mm
MAX274AENG+,Active Filters
RS Stock No. 191-3500
Mfr. Part No.MAX274AENG+
BrandMaxim Integrated
HK$183.71
Each
units
 Band Pass Filter, Low Pass Filter - Continuous Time 150kHz Dual, Single 5 V ±5V 1 Through Hole PDIP 24 32.13 x 7.87 x 4.45mm 4.45mm 32.13mm
Maxim MAX7490CEE+, Active Filter, Dual, Universal Filter, 2nd Order Switched Capacitor 40kHz, 16-Pin QSOP
RS Stock No. 165-9271
Mfr. Part No.MAX7490CEE+
BrandMaxim Integrated
HK$46.453
Each (In a Tube of 100)
units
 Universal Filter 2nd Switched Capacitor 40kHz Single 4.5 → 5.5 V - 2 Surface Mount QSOP 16 4.98 x 3.99 x 1.651mm 1.651mm 4.98mm
MAXIM,MAX7413EUA+
RS Stock No. 189-7172
Mfr. Part No.MAX7413EUA+
BrandMaxim Integrated
HK$41.42
Each (In a Tube of 50)
units
 Low Pass Filter 5th Switched Capacitor 15kHz Single 3 V - 1 Surface Mount μMAX 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
MAX7420EUA+,Active Filters
RS Stock No. 191-3223
Mfr. Part No.MAX7420EUA+
BrandMaxim Integrated
HK$61.053
Each (In a Tube of 50)
units
 Low Pass Filter 5th Switched Capacitor 45kHz Single 5 V - 1 Surface Mount μMAX 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
Maxim MAX7425EUA+, Active Filter, Low Pass Filter, 5th Order Switched Capacitor 45kHz, 8-Pin μMAX
RS Stock No. 799-8128
Mfr. Part No.MAX7425EUA+
BrandMaxim Integrated
HK$76.93
Each
units
 Low Pass Filter 5th Switched Capacitor 45kHz Single 3 V - 1 Surface Mount μMAX 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
Linear Technology LTC1062CSW#PBF, Active Filter, Low Pass Filter, 5th Order Switched Capacitor 20kHz, 16-Pin SOIC W
RS Stock No. 153-3413
Mfr. Part No.LTC1062CSW#PBF
BrandAnalog Devices
HK$46.559
Each (In a Tube of 47)
units
 Low Pass Filter 5th Switched Capacitor 20kHz Dual, Single 9 V, 12 V, 15 V ±3 V, ±5 V 1 Surface Mount SOIC W 16 10.49 x 7.6 x 2.34mm 2.34mm 10.49mm
Maxim MAX7413EUA+, Active Filter, Low Pass Filter, 5th Order Switched Capacitor 15kHz, 8-Pin μMAX
RS Stock No. 799-3186
Mfr. Part No.MAX7413EUA+
BrandMaxim Integrated
HK$48.18
Each (In a Pack of 2)
units
 Low Pass Filter 5th Switched Capacitor 15kHz Single 3 V - 1 Surface Mount μMAX 8 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm
NF SV-4FL1, Active Filter, Low Pass Filter, 4th Order 10kHz, 15-Pin SIP
RS Stock No. 501-6612
Mfr. Part No.SV-4FL1
BrandNF
HK$426.21
Each
units
 Low Pass Filter 4th - 10kHz Single 5 V - - Through Hole SIP 15 39 x 15 x 5.5mm 5.5mm 39mm
Maxim MAX295CPA+, Active Filter, Low Pass Filter, 8th Order Switched Capacitor 50kHz, 8-Pin PDIP
RS Stock No. 165-4560
Mfr. Part No.MAX295CPA+
BrandMaxim Integrated
HK$56.73
Each (In a Tube of 50)
units
 Low Pass Filter 8th Switched Capacitor 50kHz Dual, Single 5 V ±5V 1 Through Hole PDIP 8 9.91 x 7.87 x 4.45mm 4.45mm 9.91mm
8th-Order Lowpass Switched-CapFilters
RS Stock No. 190-6083
Mfr. Part No.MAX7400ESA+
BrandMaxim Integrated
HK$50.846
Each (In a Tube of 100)
units
 Elliptic, Low Pass Filter 8th Switched Capacitor 1 → 10kHz Single 4.5 → 5.5 V - 1 Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm
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