EMI Filters
mitigate high-frequency noise. Also known as: RFI Filters
See Also: Filters, Filter / Amplifiers, Low Pass Filters, Programmable Filters
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Bandpass Filters
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These bandpass filters utilize a suspended stripline design to obtain a very compact configuration. Applications include wideband receiver input preselection and output filtering of frequency multiplied RF power sources.
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Wide Band Filters (multi-octave)
MINI-ERF® Series
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The MINI-POLE® Extended Range Series of tunable filters was developed to address applications needing a small, surface mount package with wide tunability. This tunability is accomplished by the use of multiple internal tunable filters along with high performance PIN diode RF band select switches all contained in one housing. The tunable filters are designed to minimize size and power consumption while maintaining high RF power handling and linearity characteristics. Parallel or serial digital interface can be selected by a mode pin for ease of integration into your design.
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Wide Band Filters (multi-octave)
GEN3-ERF®
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The 3rd Generation Mini-ERF is a Reduced SWaP-C, 30 to 520 MHz tunable bandpass filter that features 50mW (typ.) power consumption, 1 Watt CW continuous power handling (7% BW), +40 dBm IIp3 (typ.), low insertion loss, and 4 dB typ. selectivity @ +/-10%, (7% filter). The GEN3-ERF’s are fully tuned and tested by Pole/Zero® for convenience and ease of use.
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ITA, 9075, 75 Module, Triple Tier, for EMI
410104449
ITA
ITA, 9075, 75 Module, Triple Tier, for EMI
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2-Port Optical Tunable Filter
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Optoplex's Tunable Optical Filter, also known as Optical Tunable Filter or Tunable Bandpass Filter, is an integrated module, consisting of micro optics and electronics. When receiving a stream of optical signals of a plurality of wavelengths from the Input-Port (IN), the 2-port tunable optical filter directs a selected channel to the Output-Port (OUT). The selected channel can be varied (tuned) within the operating wavelength (frequency) range by a remote command sent through the built-in control PCB and firmware.
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Product
EMI EMC test Solutions for Immunity
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Scientific Mes-Technik Private Ltd
EMI EMC test Solutions for Immunity
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9 kHz Highpass Filter
TBHPF1-9KHZ
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9 kHz Highpass Filter for protection of spectrum analyzer or EMI-receiver RF inputs against high amplitude subharmonics and residual 50 Hz voltage in conducted emission measurement set ups
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Broadcast Filters UHF
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RFS Waveguide UHF filters are now 4th generation products designed for global combining and filtering applications associated with DTV and analog television transmissions.
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EMI Test Receiver
KH3938B
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Beijing KeHuan Century EMC Technology Co,.LTD
Is a fully automatic radio disturbance test receiver and is the main tool for EMI testing. KH3938B receivers frequency range 9kHz-1GHz, in accordance with: 2010 and GB / T6113.101-2016 development standards designed to meet the requirements of the standard-compatible, can be used to power emission test, Sao conduction disturbance voltage test, radiated disturbance within 1G test. The receiver has the advantages of fast test speed , strong maneuverability, stable performance, and convenient test data processing.
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LCL Filters
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LCL Type Harmonic Filter Modules are used to filter out the input current harmonics of the Motor Drives having six-pulse diode/thyristor rectifiers, where harmonic current distortion exceeds the limits defined in standards.
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Narrow Band Filters (Single Octave)
MAXI-POLE® Series
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The MAXI-POLE® Series of tunable filters provides improved passband performance (reduced insertion loss for a given bandwidth) in a slightly larger package. The product line includes several standard designs in various frequencies to support almost any application. Approximate performance is summarized in the Maxi-Pole Series Selection Guide.
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Broadcast Filters FM
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RFS bandpass filters are primarily used as part of multi-channel combiner facilities but can also be used to eliminate spurious emissions and increase isolation between co-sited services.
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Mid-Range Gas Filter Correlation Carbon Dioxide Analyzer
Model T360M
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The Model T360M CO2 analyzer measures Carbon Dioxide by comparing infrared energy absorbed by a sample to that absorbed by a reference gas according to the Beer-Lambert law. Using a Gas Filter Correlation Wheel, a high-energy IR light source is alternately passed through a CO2 filled chamber and a chamber with no CO2 present. The light path then travels through the sample cell, which has a folded path of 1.28 meters.The energy loss through the sample cell is compared with the reference signal provided by the filter wheel to produce a signal proportional to concentration, with little effect from interfering gases within the sample. This design produces excellent zero and span stability and high signal to noise ratio, allowing excellent performance over a wide concentration range, making this instrument an ideal choice for CO2 reporting requirements associated with dilution CEMS.All T Series instruments offer an advanced color display, capacitive touch screen, intuitive user interface, flexible I/O, and built-in data acquisition capability. All instrument set up, control and access to stored data and diagnostic information is available through the front panel, or via RS232, Ethernet, or USB com ports, either locally or by remote connection.The Model T360M comes with NumaView™ Software. NumaView™ Remote PC Software allows for a remote connection with virtual interface and data downloading capability to analyzers operating NumaView™ Software.
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Mid-Range Gas Filter Correlation CO2 Analyzer
Model T360M
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Teledyne Advanced Pollution Instrumentation
The Model T360M CO2 analyzer measures Carbon Dioxide by comparing infrared energy absorbed by a sample to that absorbed by a reference gas according to the Beer-Lambert law. Using a Gas Filter Correlation Wheel, a high-energy IR light source is alternately passed through a CO2 filled chamber and a chamber with no CO2 present. The light path then travels through the sample cell, which has a folded path of 1.28 meters.The energy loss through the sample cell is compared with the reference signal provided by the filter wheel to produce a signal proportional to concentration, with little effect from interfering gases within the sample. This design produces excellent zero and span stability and high signal to noise ratio, allowing excellent performance over a wide concentration range, making this instrument an ideal choice for CO2 reporting requirements associated with dilution CEMS.
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RF Filters
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Smiths Interconnect is committed to providing technically advanced, high quality “state-of-the-art” RF Filters, Multiplexers, Switched Filter Banks, and Integrated assemblies, from 100 KHz to 65 GHz. All products are subject to the same rigorous design, manufacturing, and inspection criteria. Regardless of the application, our internal process and procedures help ensure that all products are fully compliant to all specifications. Our R & D activities are constantly evaluating new materials, plating techniques, and manufacturing processes to offer the highest performing components available today.
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Optical Filters
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INPHORA offers calculation, development and production of unique Optical Filters designed to match exactly to the requested parameters or to fit to the given application.
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ITA, G20, 20 Module, EMI, 2"
410120223
ITA
ITA, G20, 20 Module, 6.75" Series Adapter, EMI, 2"
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32-CH/64-CH Isolated Digital I/O PCI Express Card With Digital Filter
AX92351
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The AX92351 is a 64-ch isolated digital I/O PCI Express card with 2,000VDC isolation protection. This high-density digital I/O card with high-speed PCI Express x1 bus is excellent for use in applications requiring digital control or monitoring, such as semiconductor machinery, PC-based industrial machinery, programmable I/O logic control, and process status monitoring. The AX92351 features 32 isolated digital input channels and 32 isolated digital output channels with isolation protection of 2,000V for industrial applications where high-voltage isolation is required. It is equipped with a board ID feature for easy identification of multiple cards in single system. There is a digital filter function to prevent input signals from carrying noise or a chattering. Each isolated input has a sink or source current which supports dry and wet contact for maximum application flexibility. The card has a wide range of input voltage from 10 to 30V to meet most industrial application needs. The AX92351 also provides two interrupt sources on digital input channels. Digital output has open controller and supports maximum 30VDC. The read-back function is another useful function that allows monitoring each output port.
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ITA, G40x, 48 Module, Frame Without Protective Cover, Includes EMI Protection
410120361
ITA
ITA, G40x, 48 Module, Frame Without Protective Cover, Includes EMI Protection.ITA, G40X 410120246 has been obsoleted in favor of 410120361 with EMI shielding.
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Sine Filters
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Sine Wave Output Filter Modules provide satisfactorily smoothed sinusoidal waveform with low residual ripple form square waveform with high voltage spikes, present at the output of motor drives.
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Harmonic Filter Resistors
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The widespread use of nonlinear loads such as power electronics based equipment and electric arc & ladle melt furnaces all around the world hinder the quality of electric power. One of the most important parameters for defining the power quality is harmonic distortion.
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Capacitor for AC Filtering
PECA4 (900V)
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Lifasa - International Capacitors, SA
These capacitors are especially suitable for applications where high levels of AC voltage are required. The design of this series has been optimized for the manufacture of high performance AC filters for compensation equipment with high pollution such as UPS or wind turbines
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RF Filters
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CTS develops and manufactures high-end radio frequency (RF) filters used by various technologies to block out or filter certain signal frequencies. In 1982, CTS invented the ceramic monoblock, and ever since, our ceramic RF filters have been setting the industry standard in terms of lowest insertion loss, attenuation /rejection/isolation, Q-factor, size, power handling, and transition slope. Our portfolio includes band-pass filters, notch filters, low-pass filters, delay line filters, diplexers, duplexers, and triplexers/multiplexers.
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Power Capacitors with Protection Filter
CPFVF / CPMVF
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Lifasa - International Capacitors, SA
The capacitors of the CPFVF and CPMVF series are formed by a power capacitor, an antiarmonic protection reactance and fuse or magnetothermic protection. These capacitors are specially designed for the fixed compensation of transformers in networks with a high level of harmonics.
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DC Filter Inductors
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Osborne DC filter inductors (aka filter chokes) are commonly used in AC to DC conversion circuits to present an inductive voltage drop to the AC component of rectified current. This inductive voltage drop acts as a filter. Osborne designs filter inductors to components to function effectively (without saturation) in the presence of the DC current. Osborne will work with you to mitigate the impact of ripple frequency in conversion circuits. Every Osborne DC filter choke is designed for high performance with special consideration given to your circuit´s power supply frequency and conversion configuration.
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Dual Filter
Trig-TekTM 550D
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Two channels with variable high pass and low pass filters in a module 7" high x 2.6" wide
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EMI Check & Resonance Analysis Software
EMI Stream
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At the placement design stage, EMI Stream software examines optimal locations for parts by using actual .dsn files and verifies the effects of the proposed EMI solution. EMI Stream can analyze resonance which occurs between the power and ground planes by analyzing the resonance which occurs and changing the locations of capacitors.
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Signal Acquisition and Filtering Technology
SNAPTrack®
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Built on a proven design, and with Pathfinder SAF Technology™ at its core, the SnapTRACK® offers RYCOM’s most advanced signal acquisition and filtering technology. The SnapTRACK® cable & pipe locator offers utility locators FrequencyFlex™ allowing users to adapt the system to their specific needs. Multiple active frequencies allow the user to accurately locate with a minimum of interference while maintaining the ability continue locating past faults and around conduit bends. Passive frequencies identify "live" and charged lines by their naturally occurring electromagnetic fields. The SnapTRACK® offers multiple passive frequencies -- 50Hz, 60Hz, Radio Frequency, Cathodic Protection Rectifier & CATV -- allowing line locating without the use of a transmitter.
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Optical Filter Sets
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Our filter sets support a great range of fluorophores for microscopes and imaging systems. Patented design techniques drive some of the most spectrally sophisticated optical filters on the market. High transmission, steep edges, precise spectral edge placement, and optimized blocking combine for more reliable measurements. A wide selection of individual bandpass filters and dichroic beam-splitters support unique applications, and world-class manufacturing and cutting-edge metrology ensure consistent performance that always meets specifications.
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Single-Ended SD Video Filter Amplifier With Output Short-To-Battery Protection
ADA4432-1
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The ADA4432-1 is a single-ended output fully integrated video reconstruction filter that combines overvoltage protection (short-to-battery [STB] protection) and short-to-ground (STG) protection on the outputs, with excellent video specifications and low power consumption. The combination of STB protection and robust ESD tolerance allows the ADA4432-1 to provide superior protection in the hostile automotive environment.
