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Active low pass filters pass signals from low frequencies and reject signals from high frequencies. Search by Specification | Learn More about Active Low Pass Filters
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. Search by Specification | Learn More about EMI Filters and RFI Filters
Signal filters block or decrease (attenuate) unwanted frequencies or signal wave characteristics. Search by Specification | Learn More about Signal Filters
RF filters and microwave filters are devices that pass or reject signals by frequency. Basic types include bandpass filters, band reject filters, low pass filters, and high pass filters. Search by Specification | Learn More about RF Filters and Microwave Filters
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. Search by Specification | Learn More about Active Filters
RF band pass filters are active or passive circuits that pass signals from a specific frequency band and reject signals from out-of-band frequencies. Surface acoustic wave (SAW) filters, crystal filters, and cavity filters are types of band pass filters. Search by Specification | Learn More about RF Band Pass Filters
RF low pass filters pass signals from low frequencies and reject signals from high frequencies. Search by Specification | Learn More about RF Low Pass Filters
RF 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. Search by Specification | Learn More about RF Band Reject Filters
RF high pass filters pass signals from high frequencies and reject signals from low frequencies. Search by Specification | Learn More about RF High Pass Filters
Digital filters use digital signal processing (DSP) to perform numerical calculations on sampled values of a signal. Learn More about Digital Filters
Passive filters are implemented using only passive components such as resistors, capacitors and inductors. These filters do not produce any amplification of the input signal. Learn More about Passive Filters
Long pass filters transmit a wide spectral band of long wavelength radiation while blocking short wavelength radiation. Short pass filters transmit a wide spectral band of short wavelength radiation and block long wave radiation. Search by Specification | Learn More about Long Pass Filters and Short Pass Filters
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. Search by Specification | Learn More about Optical Bandpass Filters
Industrial air filters reduce the number of particles in the air that passes through them. Search by Specification | Learn More about Industrial Air Filters
Laboratory filters are used to remove particulates from samples in laboratory-scale applications. They consist of a filter medium and housing or holder that constrains and supports the filter media in the sample’s path. Search by Specification | Learn More about Laboratory Filters
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SAW FILTER-HDQSF45A7Dc SIP5Dc Shoulder Electronics Ltd.
2520 Balanced GPS SAW Filter Tai-Saw Technology Co., Ltd.
SAW FILTER HDF1220A1 Shoulder Electronics Ltd.
SAW FILTER(HDF422A1 F11) Shoulder Electronics Ltd.
SAW FILTER-HDF422A1 F11 Shoulder Electronics Ltd.
SAW FILTER-HDF1220A SMD-7 Shoulder Electronics Ltd.
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The L8812 lowpass filter has a passband of DC to 930 MHz, with insertion loss of less than 0.3 dB, (read more)
Find out what we can do for you. Anatech specializes in providing reliable filters built for Aerospace and Military applications. (read more)
Baldor has extended the versatility of its low-cost brushless AC servo drive, MicroFlex, with the addition of configurable anti-resonance filters. The software upgrade allows machine builders to implement filters to combat mechanical problems using the drive's DSP (digital signal processor) - providing a means of optimising machine productivity without additional expense. (read more)
TriQuint Semiconductor brings a new level of integration to handset and GPS markets with its TQM640002. This high-rejection GPS front-end module incorporates a GaAs LNA along with SAW filters; its overall 3x3mm size makes it ideal for wireless handset applications as well as PND / auto GPS systems. Samples are available; send design questions to info-networks@tqs.com. (read more)
The BHS-Autopress can be used for separating moderate to poor filtering suspensions efficiently. Media that need to be treated in closed machines for reasons of sterility, toxicity and workplace hygiene are separated safely and reliably. (read more)
Parker Hannifin, the global leader in motion and control technologies has introduced a new line of filter regulators, regulators and mini filters which are ideal for OEM applications and critical in-plant applications. (read more)
Syfer Technology's E07 range of high current 3 terminal filter chips has recently been extended. The filters which are designed to block electromagnetic interference (EMI) emanating from high speed circuitry and prevent the propagation of high frequency noise along power lines. (read more)
Spectrum Control, Inc. now offers COTS single line feed-thru EMI filters that are commercial equivalent to M15733-PRF/72, M15733-PRF/73, and M15733-PRF/74. These reliable filters meet all requirements of the QPL, are readily accessible and UL and Semko approved. COTS single line feed-thru filters are offered in both AC and DC models with customizing options available. (read more)
New designs utilizing high speed high performance microprocessors, higher levels of integration and more complex functions demand more stringent rules in design and circuit layout to overcome problems as they relate to EMI/RFI. (read more)
Vari-Pak filters are designed for reliability and long service life under difficult operating conditions including high velocity and turbulence. The rigid media is not affected by changes in air flow or repeated fan shutdown. A wide range of efficiencies and rigid cell construction make it an ideal product for upgrading systems. Choose, where the use of fiberglass is restricted. (read more)
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A Basic Introduction to Filters - Active, Passive and... See National Semiconductor Information |
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OA-21 Component Pre-distortion for Sallen Key Filters FIGURE 2. Lowpass Filter oa -- For voltage-feedback op amps, will be smaller oa The nominal filter specification are: ( K divided by the See National Semiconductor Information |
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NI SCXI-1143 - 8-Channel Lowpass Butterworth Filter Module -... 8 Ch Lowpass Filter (Bessel) 8 Ch Lowpass Filter (Butterworth) Lowpass Filters 8 Ch Lowpass Filter (Elliptical) |
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Characteristics of an Ideal Filter - NI LabVIEW 8.6 Help Characteristics of an Ideal Filter »Table of Contents |
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MATLAB Central - Files Ideal Low Pass Filter Ideal Low Pass Filter using DFT Author: Madhu S. Nair See MathWorks, Inc. (The) Information |
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Digital Filter Design Block :: Filters (Signal Processing... Choosing Between Filter Design Blocks Creating a Lowpass Filter See MathWorks, Inc. (The) Information |
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The Simplest Lowpass Filter of Group Delay Frequency Response Analysis Problems Pole-Zero Analysis Filter Order = Transfer Function Order Graphical Computation of Amplitude |
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Sigma-Delta Modulation into Butterworth Filter versus Ideal... Discussion Groups | Comp.DSP | Sigma-Delta Modulation into Butterworth Filter versus Ideal Lowpass Filter |
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Lowpass Filter Lowpass Filter Circularly symmetric lowpass filters can be designed by assuming an idealized frequency response of the form |
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A BUTTERWORTH-FILTER COOKBOOK A BUTTERWORTH-FILTER COOKBOOK An ideal bandpass filter passes some range of frequencies without distortion and suppresses all other frequencies. |