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Interference Technology

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Arab States Convene to Unify Telecom Policy

 

Delegates from 14 Arab states gathered in Beirut recently to unify ranks over radio communication policy and to create a joint Arab agenda for the World Radiocommunication Conference (WRC) set to take place in 2012. One of the group’s primary goals is to secure radio-communication systems that are free of interference.Visit Zawya.com to learn more. … [Read more...]

ARRL’s Case for Mandatory Broadband over Power Line Notching

 

The ARRL filed on Nov. 30 an ex parte submission with the FCC, providing additional support for its position that the FCC should require mandatory notching of the amateur bands by Broadband over Power Line (BPL). The ARRL’s filing stated such devices can cause harmful interference to Amateur Radio operators, and requested that the FCC “establish rules that are appropriate for … [Read more...]

Technology Could Enable Wireless Underground Communication

 

A professor in Ryerson University's Department of Electrical and Computer Engineering is designing and developing highly reliable underground wireless communication systems that will ensure miners’ safety before and after disasters. To deal with the harsh environment and changing topology of a mine, researcher Xavier Fernando’s solution to bringing signals underground is … [Read more...]

Software Company Aims to Unclog Wireless Jams

 

AirHop, a company that makes software to manage interference among cellular sites for 3G and 4G wireless networks, has proposed the use of miniature cell sites dedicated to individual businesses. These miniature cell sites would offload traffic from the larger cellular network because they’d be plugged into fiber, cable or DSL lines directly, and AirHop’s software would help … [Read more...]

EMI Filter Plates Now Available with 1500 VDC Flash Protection

 

Spectrum Advanced Specialty Products has developed the capability to add 1500 VDC Flash protection to its complete line of EMI Filter plates, ideal for any application where higher voltage surge protection is required. Spectrum’s EMI filter plates come in right angle or straight configurations with Pi, C, and insulated filter circuit options.Visit Spectrum Advanced to learn … [Read more...]

This Simple Program Has Many Potential Benefits

 

Issue 8 December 2010 I want to share something a little different from the usual sales and marketing tips, in this holiday issue of the EMC Business Bulletin. In 2009, ITEM Publications’ employees recycled just over 800 pounds (or 360+ kilos) of unused electronic items. We found everything from monitors, computers and cables to cell phones and chargers hiding in various … [Read more...]

The Effects of the New ESD Standard on ESD Simulators

 

Bruno Straumann, Senior Development Engineer,Haefely Test AG Basel, Switzerland. INTRODUCTION The new IEC 61000-4-2 Edition 2 standard, which replaces IEC 61000-4-2 Edition 1 1995, was initially announced in December 2008. Based on the revised IEC standard, the identical European standard EN 61000-4-2:2009 was also released. The new EN standard can already be applied for ESD … [Read more...]

HEMP Filter Design To Meet MIL -STD-188-125 PCI Test Requirements

 

ABSTRACT Philosophies for the best method of HEMP protection have been around for a long time. MIL-STD-188-125 -1 and -2 are more recent specifications for defining requirements for HEMP protection. They specify PCI (pulse current injection) testing techniques to demonstrate the integrity of the protection system, but require specialist test equipment capable of injecting high … [Read more...]

EMC at IC Level – Part 1: Pulse Immunity of ICs in Different Packages

 

Note: The below article has been translated from German and can be found in its original language in the 2011 EMC Europe Guide. Part 2 of this article can be found here. Sven König, Langer EMV-Technik GmbH, Bannewitz, Germany INTRODUCTION Nowadays, micro-controllers are omnipresent. Whether in MP3 players, mobile phones, washing machines or cars, the small controllers … [Read more...]

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