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Interference Technology

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Inductors: New Magnetic Modules Suppress Noise in LAN Applications

 

New magnetic modules from EPCOS have been crafted especially for LAN applications. The new devices achieve both electrical isolation and suppression of common-mode and differential-mode interference. These modules are available in single, dual, and quad-port versions and are qualified to IPC/JEDEC J-STD-020C and IEEE 802.3. The electrical isolation can withstand a breakdown … [Read more...]

Line of Small Shielded Chambers Targets Pre-Compliance Test Needs

 

A new line of small fully anechoic chambers from Netherlands-based Comtest meets a growing need for pre-compliance testing of small products. The chamber design is based on Comtest’s Pan-Shield shielding panels that provide high shielding effectiveness over a wide frequency range. Additional RF absorbers within the chamber prevent reflections from the metal walls that could … [Read more...]

National Semiconductor's New Amplifier Family have Integrated EMI Filters

 

National Semiconductor's New Amplifier Family have Integrated EMI Filters National Semiconductor Corp. has introduced three new operational amplifiers (op amps) with integrated electromagnetic interference (EMI) filters that maintain the accuracy of analog systems by reducing the effects of radio frequency (RF) interference. The LMV83x op amps deliver the industry's highest EMI … [Read more...]

TDK to Construct and Install New Anechoic Chamber

 

TDK Corporation has announced that it will construct a large-scale, high-performance anechoic chamber at its Technical Center in Ichikawa City, Chiba Prefecture. The new chamber, which is scheduled for completion in about October 2009, will make possible measurement, evaluation, and analysis of electromagnetic waves at the world's highest levels. The facility will consist of a … [Read more...]

FCC Proposes Wireless Microphone Ban in the 700-MHz Spectrum

 

In yet another round in the seemingly endless controversy involving the use of wireless microphones and possible interference with television broadcasting, the Federal Communications Commission has issued a proposal that would ban the use of wireless microphones and other “low power auxiliary stations” in the 700-MHz band after the transition to digital television this coming … [Read more...]

Another Australian Physician Weighs in on Cell Phone Safety Debate

 

Regular readers of the eNews will recall that earlier this year we carried an article on Australian neurosurgeon Vini Khurana and his report Mobile Phones and Brain Tumors—A Public Health Concern. In short, Dr. Khurana warned that exposure to electromagnetic fields could be just as harmful as smoking and that there’s the possibility for dire health consequences for long term … [Read more...]

More Conductive Material Products

 

Nickel Graphite Conductive Fillers Assure Corrosion Resistance in Severe EnvironmentsE-Fill™ nickel graphite powder from Sulzer Metco is a conductive filler used in the formulation of raw material for EMI gaskets and seals. Ni graphite powders are polymer additives that are usually combined with silicone to form electrically conductive elastomers. These nickel graphite … [Read more...]

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