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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Gas Filter Correlation Carbon Monoxide Analyzer
Model T300
The Model T300 measures low ranges of carbon monoxide 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 CO filled chamber and a chamber with no CO present. The light path then travels through the sample cell, which has a folded path of 14 meters. The energy loss through the sample cell is compared with the span 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 extreme sensitivity. 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 T300 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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LV Iron Core Harmonic Filters
Nonlinear loads such as power electronics based equipment and electric furnaces are sources of harmonic currents leading to harmonic distortion, which is one of the most important parameters for defining the power quality. Most of the commercial loads such as personal computers, photocopy machines, power supplies, and compact fluorescent lamps; and industrial loads such as AC and DC motor drives inject harmonic currents into the network that they are connected to.
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Automatic Batteries with Filters with Thyristors
BATLVFS1200
Lifasa - International Capacitors, SA
LIFASA automatic capacitor banks are used for centralized compensation of power factor in low voltage instalations
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Harmonic Filters
ENTES Harmonic Filter Reactors are used in serial connection with capacitor banks in power factor correction units. By using these types of detuned reactors it is possible to increase the capacitor impedance against harmonic currents and to keep the resonance frequency under the frequencies in which main harmonic currents occur by shifting the resonance frequency.
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Band Pass Filter
CA0094
Filter, Passband 7~9GHz, VSWR 1.7 Max., Rejection DC-5.3GHz≥40dBc, 10.7-13GHz≥40dBc, SMD
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Narrow Band Filters (Single Octave)
MAXI-POLE® Series
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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EMI Receiver
KH3931
Beijing KeHuan Century EMC Technology Co,.LTD
* Detection frequency range: 9KHz-30MHz * Frequency stability: 1X10-6 * Frequency resolution: (9kHz ~ 150kHz): 30Hz; (150kHz ~ 30MHz): 1kHz * Test error: ±2dB * Corresponding characteristics of pulse: in line with national standard GB/T6113.1-1995 * Detection time constant: in line with national standard GB/T6113.1-1995
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Fully Filtered and Stabilized Battery Eliminators
Series TBC
Kepco's TBC are designed as battery chargers, for float-equalize service to maintain battery arrays such as are found in many telecommunication installations. The TBC are fully filtered and stabilized battery eliminators that also find application as burn-in power supplies. Nine models are available.
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Single Channel USB Programmable Band-Pass Filter
USBPBP-S1
The USBPBP-S1 stand alone USB controllable module provides a single channel of high and low-pass filtering and high-quality instrumentation amplifier for front-end signal conditioning compatible with all popular A/D converter devices. The USBPBP-S1 is powered with 9 to 12VDC so it can be connected to a battery voltage source or the supplied 115-220VAC adapter may be used for operation with wall power anywhere in the world. When programmed from the USB port, the USBPBP-S1 will remember all of the programmed properties between power cycles. Program once and operate as a stand- alone signal conditioner without having to reprogram for every use. This is perfect for turn-key applications. It's easy to connect the USBPBP-S1 into the data collection system. Input and output signals can be routed through BNC connection or using the detachable screw terminal connectors. Optional SMA type adapters are also available.
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EMI Tester
The EMI tester automatically measures the noise distribution of the electric field and the magnetic field radiated from electronic equipment with high accuracy.・ Even if PCB and IC parts have complicated bumpy shape and surface. The movable assembly can automatically trace them.・ EMI noise distribution is expressed as a variety of maps, such as 4D/3D/2D graphics and cross section view.
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Narrow Band Filters (Single Octave)
MINI-SMT® Series
The new MINI-SMT™ tunable filter advances our popular MINI-POLE® Series by providing Surface Mount (SMT) capability along with the field proven RF power handling, low distortion and exceptional selectivity performance of our MINI-POLE® filters. MINI-SMT™ bandpass options are available from 700 MHz to 3 GHz.
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Tunable Filters - Digitally Controlled
K&L Microwave offers a variety of Tunable Filter Products to satisfy a broad range of filtering applications. Tunable Bandpass and Bandreject filters provide the best solution for pre-tuning the desired signals while rejecting the interfering signals. The method of tuning can be either mechanical via a tuning knob mounted on the front of the filter, or electro-mechanical via an optional remote digital interface such as GPIB, RS-232, RS-422, BCD, ARC171, ARC234, Ethernet, USB or "Thumbwheel" panel mount.
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8-Channel Amplifier and Low-Pass Filter Module
SCS-814
The SCS-814 and SCS-815 amplifier/filter module provides eight 8-pole low-pass filters that can be individually configured for a cutoff-frequency from 0.5Hz to 70kHz(SCS-814) and 0.5Hz to 60kHz(SCS-815). Each of the SCS-814/SCS-815's eight channels features an instrumentation amplifier with software-selectable gains of 1 to 1000 in 1-2-5 steps.
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Co-Siting Filters and Combiners
*Multiplexers, Duplexers, Diplexers and Antenna Sharing Combiners*Enables multiple base stations to share a single antenna*Many of the units offer both High and Low band support*Ideal solutions for either ground based and tower based antenna sharing*Compact lightweight rugged construction
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2 to 8 Channel Anti-Alias Low-Pass Filter Card
AAF-1
The AAF-1 is a multi-channel anti-alias low-pass filter board designed for front-end signal conditioning in PC-based or stand-alone 12-bit A/D conversion systems.
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EMI Test Receivers
EMI test receivers; extremely accurate instruments designed to detect electromagnetic emissions rigorously, to ensure all emissions conform to the Standard being tested to. Configured to set up running the required tests for parameters defined by the Standards as simply as possible, including automated test routines. R&S EMI test receivers can be much more too, with a full signal and spectrum analyzer in the same instrument.
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EMI Test Receiver
ESL
The R&S®ESL EMI test receiver combines two instruments in one, measuring EMC disturbances in accordance with the relevant standards and also serving as a full-featured spectrum analyzer for diverse lab applications. The combination of very good RF characteristics and all of the important functions needed for fast, precise measurement and evaluation of the EMC of a device under test in accordance with commercial standards is unmatched in this instrument class.
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Gas Filter Correlation CO Analyzer
Model T300U
Teledyne Advanced Pollution Instrumentation
The Model T300U Trace-level CO analyzer has been developed specifically to address the challenges of low level monitoring as required, for example, in the US NCore network. Using IR absorption with a Gas Filter Correlation Wheel, the T300U is designed to allow ultra-sensitive CO measurements while still meeting the requirements for use as a US EPA compliance analyzer.The optical bench is enclosed in a temperature controlled oven, dramatically decreasing instrument noise and drift. The objective and field mirrors in the sample cell are gold plated to maximize signal to noise performance, while a temperature-controlled Nafion dryer on the inlet minimizes water interference caused by ambient humidity changes. Periodically, the T300U seamlessly corrects its baseline by routing the sample through a heated catalytic CO scrubber. This Auto Reference function corrects zero drift and reduces the effect of interferences.
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Fiber Bragg Grating And Optical Filters
Exail is committed to develop and manufacture optical components with excellent performances to support the most diverse industrial applications such as Telecom, sensing, defense, space, fiber laser and harsh environment.
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5U Grille & Filter Assembly
GF-819
5U (8.75") Grille & Filter Assembly Features easily removable, washable media filter.
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Analog Filter
SIM965
Stanford Research Systems, Inc.
The SIM965 Analog Filter is ideal for signal conditioning applications where Bessel or Butterworth filters are needed. Bessel filters offer clean step response (negligible overshoot) and linear phase response, while Butterworth filters provide excellent pass-band flatness with some overshoot
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ITA, i2 MX, 2 QP Modules, Crimp, EMI Backshell (includes front protective cover)
410130202
ITA, i2 MX, 2 QP Modules, Crimp, EMI Backshell (includes front protective cover).
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Narrow Band Filters (Single Octave)
POWER-POLE® Series
The POWER-POLE® Series of tunable filters provides improved RF performance with increased power handling capability and the lowest insertion loss for a given bandwidth. The product line includes several standard designs in various frequencies to support almost any application. Approximate performance is summarized in the POWER-POLE Series Selection Guide.
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EMI EMC test Solutions for Emission
Scientific Mes-Technik Private Ltd
EMI EMC test Solutions for Emission
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LabVIEW Tools for Digital Filter Design and Implementation
LabVIEW Digital Filter Design Toolkit
The LabVIEW Digital Filter Design Toolkit extends LabVIEW with functions and interactive tools for the design, analysis, and implementation of digital filters. New digital filter users can explore classical designs with the built-in interactive design tools, while experienced users can find a breadth of algorithms, filter topologies, and analysis tools for both fixed- and floating-point digital filters. For fixed-point filters, you can model quantization effects, optimize numeric representation/topology, and deploy the design on a digital signal processor or FPGA using automatically generated ANSI C or LabVIEW FPGA code.
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Tunable Notch Filters
The Ranatec Tunable Notch Filters are critical tools for adaptation to stringent new ETSI/3GPP conformance test specifications for mobile device radio properties, that covers all sub-6 mobile bands and channel bandwidths for 2G/3G/4G/5G. Designed for formal conformance testing performed by accredited test houses, as well internal verification by mobile device vendors. A flexible and easy to use test automation platform to support almost any ambition level, tailored to your demands.
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Programmable, 2-Channel Low-Pass Filter Module
AAF-3F
Programmable, 2-Channel Low-Pass Filter Module. The AAF-3F is designed for use with the AAF-3M and AAF-3PCI filter boards.
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15 Amp 120 VAC Filter and Surge Arrestor
AS-AC15
- 15 amp 120VAC quad outlet for high power devices- Resettable circuit breaker protection, easy to use and reset- I EA standard input plug and #14 GA AC line cord for USA - standard interface- MOV surge arrestors included - for even more protection- High level of common mode and differential mode filtering digital noise and RF filtering eliminates- digital artifacts and RF interference - See chart- Front Panel Neon Blue AC ON indicator - just plain cool to look at, not too bright!- Double shielded box inside - for optimum filtering operation- Size 6W X 4H X 4 3/4 D in inches approx 3 lbs
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Wide Band Filters (multi-octave)
NANO-ERF® Series
The NANO-POLE® Extended Range Series of tunable filters was developed to address applications needing an extremely small surface-mount package with low power consumption. Wide tuning range is accomplished with careful design to minimize size and power consumption.
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Automatic Batteries with Filters with Thyristors
BATLVFS1000
Lifasa - International Capacitors, SA
LIFASA automatic capacitor banks are used for centralized compensation of power factor in low voltage instalations.
