High-Pass Filters
Refine signal, allowing the transmission of signal above a specific corner frequency, while strongly attenuating the frequencies below.
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Product
Filters
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In order to minimize filter roll-off, we start with a quality, highly polished substrate and apply layers of metallization within tight tolerances. Our highly anisotropic ion beam etching process enables us to produce features down to 10 microns. Furthermore, the milling process yields a high consistency from circuit to circuit meaning that whether we produce 1 or 100,000 filters, each one will have consistent filter roll-off characteristics.
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Band Pass Filters
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VDI offers up-converter modules for communication applications. The double sideband nature of the up-converter modules makes filtering necessary. VDI has designed filters to filter one sideband and preserve signal modulation. These filters offer low passband insertion loss and high out-of-band rejection. Custom filters may be available upon request. NRE (non-recurring engineering) fee may be required.
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Product
Capacitor for AC Filtering
PECA4 (440V)
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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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Product
Automated Filter Tester
3140-1
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The model 3140 filter tester uses the same aerosol generation technology as the model 8130A respiratory filter tester. It works with Emery oil, DOP, DEHS, paraffin and other oils. Two new generation CPCs simultaneously count upstream and downstream particles. This enables accurate, repeatable and fast measurements, for example a HEPA filter can be tested in less than 15 seconds.
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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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Electronically Tunable Filters
ETF
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Radar. Communications. EW/SIGINT. Frequency agile channelization. Frequency agile noise rejection filter. Local oscillator tracking filter. Controlled bandwidth and center frequency noise source.
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Mini MEMS Tunable Filter With VOA
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The Optoplex mini tunable filter described is specifically designed for 100G tunable transceiver analog coherent optics (CFP2-ACO) application. The main purpose of this tunable filter is to suppress the noise to improve the sensitivity and OSNR performance.
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Individual Optical Filters
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Our comprehensive line of Semrock optical filters helps your design attain the best signal-to-noise ratios. Steep spectral edges maximize useable bandwidth, and high transmission or reflection captures the brightest images with best-in-class Flatness. Deep and extended blocking are optimized for your application, minimizing background and crosstalk while reducing cost. Select from the extensive catalog or go with a custom filter to your exact specifications, and remain confident of uncompromising quality, reliability, and reproducible results.
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LV Iron Core Harmonic Filters
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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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Product
Analog Filter
SIM965
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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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Product
RF Filters
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RF Filters block unwanted frequencies when testing electronic devices for emissions during EMC testing. They attenuate unwanted frequencies and allow the desired signals through. The RF filters isolate the device under test from external RF noise, this increases the reliability and accuracy of the EMC testing by preventing out-of-band noise and harmonics.
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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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Filters & Switch Filter Banks
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PMI offers the highest quality filters, switch filter banks, filter assemblies, diplexers, multiplexers for industrial and military applications in the frequency range of DC to 40 GHz. All PMI’s Switch Filter Banks use PMI’s proprietary Solid-state Switch designs, which offer high speed and improved performance. While there are many standard models, PMI can design and build to meet your specifications.
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Product
Filtered Analog Input Expansion Board
MSXB 048
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The MSXB 048 Filtered Analog Input Expansion Board has a four-pole low-pass Butterworth filter on each of its 16 single-ended channels. For DAP applications that require analog filters to take out all above-Nyquist frequencies before signal conversion, it simply replaces the MSXB 037 Analog Input Expansion board. Signal inputs normally connect to the MSXB 048 through a panel-mount DB-37 connector.
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Product
Automatic Battery with Filters with Standard Contactors
BATLVF1200
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Lifasa - International Capacitors, SA
LIFASA automatic capacitor banks are used for centralizedcompensation of power factor in low voltage instalations
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Low-Pass Filters
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Is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. The exact frequency response of the filter depends on the filter design.
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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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Product
3U Louvered Plastic Grille with Filter
GP-319
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3U high louvered plastic grille with filter is made of polycarbonate resin.
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Product
Tunable Filters
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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 or BCD.
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Product
Gas Filter Correlation CO Analyzer
Model T300U
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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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Product
Capacitor for DC Filtering
FIL2
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Lifasa - International Capacitors, SA
FIL condensers are specially designed for use in direct current sources and their functions are to filter the alternating output ripple as well as protect the line from momentary spikes and sudden power surges.
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Broadcast Filters VHF TV
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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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Automatic Batteries with Filters with Thyristors
BATLVFS600
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Lifasa - International Capacitors, SA
LIFASA automatic capacitor banks are used for centralized compensation of power factor in low voltage instalations.
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Product
Air Core Harmonic Filter Reactors
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Use of nonlinear loads such as power electronics based equipment and electric furnaces have been on the rise for the last decades. Such loads decrease the power quality of the network that they are connected to. One of the most important parameters for defining the power quality is harmonic distortion.
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Product
Tunable Edge Filters
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Tunable edge filter is a customized product. It usually belongs to 2-port optical tunable filter product platform. Instead of using narrow bandpass filter in the 2-port tunable optical filter, the tunable edge filter utilizes a low-pass or long-pass interference filter. By changing the incident angle of the light beam, the cut-off wavelength will be tuned. Standard Tunable edge filters support C-band or L-band wavelength range.
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EMC Filter Synthesis Tool
EFsyn
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EMC Filter Synthesis is a software tool for simulation and design of EMC filters. The new approach of this filter synthesis tool is based on simulating with the real values of the EMC filter components. Due to this, the EMC simulation considers the parasitics of the components.
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Low Noise Filter Adapter
PX0107A
Adapter Module
The PX0107A converts Dsub25 outputs to five SMB outputs with the low noise filtering capability down to 25 μVrms (20 MHz). It supports the Keysight M9614/15A.
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Filters
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Filters are components with a function that only extracts the required electrical signals, and removes the unnecessary electrical signals in electrical circuits. Murata offers a lineup of filters for various devices and functions.
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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.
