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Product Categories for active emi filter
EMI Filters and RFI Filters -
(246 companies)
Electromagnetic (EMI) filters and radio frequency interference (RFI) filters purify signals by attenuating the high-frequency RFI (typically 150kHz and up) and passing the low frequency EMI
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Industrial Air Filters -
(627 companies)
Industrial air filters reduce the number of particles in the air that passes through them. 
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Filtration Media and Elements -
(1074 companies)
Filtration media and elements are designed to remove suspended particles from a process stream. This product area includes bulk filter media, cartridges, housing-only products, and housing and filter assemblies. 
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Active Band Pass Filters -
(11 companies)
Active band pass filters are used to attenuate frequencies below and above a range of frequencies (i.e., the bandwidth or passband of the filter
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Active Low Pass Filters -
(18 companies)
Active low pass filters pass signals from low frequencies and reject signals from high frequencies
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Active Filters -
(35 companies)
Active filters are electronic filers that use active components such as voltage amplifiers or operational amplifiers. The amplifier shapes and stabilizes the behavior of the filter, and serves as a buffer interface to the driven component
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Industrial Filtration Equipment -
(866 companies)
Industrial filtration equipment is used to filter, thicken or clarify a mixture of different elements
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Liquid Filtration Elements -
(137 companies)
Liquid filtration elements are used to remove impurities from liquids. They are used in water treatment systems and fluid processing applications.
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Active Band Reject Filters -
(8 companies)
Active band reject filters are tuned circuits that prevent the passage of signals within a specified band of frequencies. These devices are also known as bandstop or notch filters
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Active High Pass Filters -
(10 companies)
Active high pass filters pass signals from high frequencies and reject signals from low frequencies
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Gas Filtration Elements -
(100 companies)
Gas filtration elements are designed to remove particulates from a gaseous process stream. They are used in natural gas processing systems and gas extraction applications.
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Specialty Filtration and Separation Equipment -
(252 companies)
Specialty filtration and separation equipment includes specialized or proprietary products and accessories for filtration and separation.
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IC Electronic Filters -
(83 companies)
IC electronic filters are frequency-selective circuits that consist of devices such resistors, capacitors, inductors, transistors, or operational amplifiers coupled with reactive components
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Filtration Media -
(92 companies)
Filtration media is material that actively separates solids from a solution and/or binds select materials in a solution.
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Optical Bandpass Filters -
(73 companies)
Optical bandpass filters are designed to transmit a specific waveband. They are composed of many thin layers of dielectric materials, which have differing refractive indices to produce constructive and destructive interference in the transmitted light
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Product Announcements for active emi filter
Product Announcements: 1 - 10 of 3887
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Feng-Jui Technology Co., Ltd.
SB Series ( EMI filter-RoHS compliance )
EMI filter-RoHS compliance FEATURE :1.Cost effective EMI filtering Applications :1.Filtering of power input pins of oscillators or logic devices using high speed clocks
2.Preventing oscillations in high frequency amplifiers Specification :1.4.00mm*3.00mm*2.55mm-SB302540
2.8.50mm*3.00mm*2.55mm-SB302585
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Coilmaster Electronics Co., Ltd.
EMI Filter : SMM1410B series
- Height 9.70mm typ. ( 10.5 mm Max. )
- Footprint : 17mm x 13mm Max.
- Current Rating up to 2.0A
- Approx. 0.8% stray inductance for differential-mode interference suppression .
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Martek Power
CBF300 EMI Filter
MIL-STD-461D Compliance CE101 and CE102 for CB225T or up to 4 of CB75 DC/DC converters. Does not require external components. Meets Environmental Requirements of MIL-STD-810E and MIL-S-901C.
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Filter Concepts, Inc.
LF Series High Performance Low Leakage EMI Filter
LF Series section filters offer enhanced differential mode (L/L) and common mode (L/G) insertion loss for applications subject to the conducted limits of FCC or CISPR/EN specifications while maintaining low ground leakage current.
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Filter Concepts, Inc.
3X Series Enhanced Performance 3-Phase EMI Filter
The 3X Series of "T" section 3 Phase EMI filters feature additional line inductors, providing up to 15db of enhanced performance, for severe EMI requirements such as CISPR/EN Class A while maintaining moderate leakage current.
3X Series filters are available in Wye or Delta configurations and with the "A" circuit configuration option.
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Filter Concepts, Inc.
LM Series Medical and Dental Equipment EMI Filter
The LM Series of EMI filters provides high insertion loss at low frequencies for medical applications subject to stringent conducted emissions standards.
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Filter Concepts, Inc.
SE Series Switch Mode Power Supply EMI Filter
Our most compact and economical "T" section filter for applications using switch mode conversions & regulation technology and subject to FCC conducted EMI specifications.
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Martek Power
CBF150 EMI Filter
Martek Power introduces the CBF150 EMI Filter.
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Filter Concepts, Inc.
SX Series Enhanced Performance EMI Filter
With additional line inductors, the SX Series "T" section filters provide up to 15 db of enhanced performance to solve severe conducted EMI problems in the FCC or CISPR/EN spectrums.
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Filter Concepts, Inc.
3F Series High Performance 3-Phase EMI Filter
With extended low frequency performance, 3F Series EMI filters provide enhanced differential (L/N) and common mode (L/G) insertion loss for switch mode power circuits and supplies subject to FCC Class B or CISPR/EN Class A spectrums.
The 3F Series is available in Wye or Delta configurations and are reliable performers with either balanced or unbalanced 3-phase load currents.
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Other Topics You Might Be Interested In
This reference design is a high efficiency, high power factor and digital dimming electronic ballast designed to drive rapid start fluorescent lamp types. The design contains an active power factor...
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Tools & Useful Links for active emi filter
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Engineering Web: active emi filter
1 - 10 of 1,321,642
12A Active EMI Filter
12A Active EMI Filter. for use in DC/DC converters. 01/04/2004. Reference: 7696. The QPI-1, part of Vicor's QuietPower family of filter modules, provides conducted common-mode and differential-mode ...
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Active EMI filter targets 48V DC/DC converter applications
mode and more than 70 dB of differential-mode noise attenuation at 500 kHz. The QPI-4 is the latest member of Picor's active EMI filter family for the telecom bus market, and its compact 1.0 x 1.0 x 0.2 ...
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Electronic Products - Active EMI filters liberate pc-board space
The QPI-3, QPI-5, and QPI-6 active EMI filters measure 25.4 x 25.4 x 5.1 mm�a space savings of 50% to 80% over passive EMI filter solutions. Pin- and footprint-compatible with previous versions, the ...
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Active EMI filter for 48-V systems saves space on telecom boards.(Analog & Mixed...
... electromagnetic-interference (EMI) filter for 48-V dc-dc converter applications, provides over 40 dB of common-mode noise attenuation and over 80 dB of differential-mode attenuation. Active filtering ...
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EMI
The EMI is measured with and without the passive filter components, as is the ground/leakage current.�. Design active EMI filter:�. Design and simulate an active filter to eliminate common mode ...
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QPI-6 Active EMI Filter (Power supply) from Picor Corporation | Military ...
RSC#: 20212. Power supply QPI-6 Active EMI Filter. 14 A rating • 80 VDC (maximum input) • 100 VDC surge 100 ms • >40 dB CM attenuation at 250 kHz • >80 dB DM attenuation at 250 kHz • -40 ºC to +100 ºC ...
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Active EMI Filter for Telecom Bus Market
Picor, a subsidiary of Vicor Corp., has introduced the QPI-4 active EMI filter for 48 V dc-dc converter applications. Providing attenuation from 150 kHz to 30 MHz, the QPI-4 delivers over 40 dB of ...
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QPI-3 Active EMI Filter (Power supply) from Picor Corporation
Power supply QPI-3 Active EMI Filter. 7 A rating • 40 VDC (maximum input) • >60 dB CM attenuation at 250 kHz • >80 dB DM attenuation at 250 kHz • Efficiency >99 percent at full load • -40 ºC to +100 ...
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QPI-8L 7A Active EMI Filter with Hot-Swap (Hot swap/Live insertion) from Picor ...
QPI-8L 7A Active EMI Filter with Hot-Swap. System-in-a-Package (l.0 x 1.0 x 0.2 inch) that integrates hot swap function with an active EMI filter • >40 dB CM attenuation at 250 kHz • >70 dB DM ...
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Design and evaluation of an input active EMI filter for integrated power ...
... of active power filter and active EMI filter, the possibility of using active filter technique in the integrated power electronics modules (IPEM) has been analyzed in detail. An active EMI filter for ...
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