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Interference Technology

For EMI / EMC Engineers

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Antennas

Mexico’s Drug Cartels Use Encrypted DIY Radio Network

 

To avoid discovery, Mexican drug cartels have been using encrypted DIY radio networks, in nearly all 31 Mexican states, since 2006. Their communication devices are “‘professional-grade’ radio antennas, signal relays and simple handheld radios that ‘cost millions of dollars.’” Mexican authorities have not been successful in stopping their wireless communication. The Zetas, one … [Read more...]

Electromagnetic Waves Illuminated with Coffee Cans and LEDs

 

To show how EM is all around us, Dr. Gregory Chavat came up with a presentation using “a coffee can radar system, a couple of LEDs, and long-exposure photography.” His set up included a “radar emitter made out of one coffee can and a second can with a couple of LEDs attached to serve as a tethered receiver antenna.” He moved the receiver around the emitter while taking a long … [Read more...]

iPad Case Diverts Radiation and Improves 3G

 

Pong Research has launched the Pong iPad and iPad 2 case, to provide the same antenna technology to tablet users. The Pong case diverts radiation away from the user, reducing the SAR by up to 82 percent of FCC limits. The case also provides enhanced 3G connection performance.Some cases will activate the iPad proximity sensor, which reduces 3G transmission power by 75 percent to … [Read more...]

Winners of Publication Award Announced

 

The CST University Publication Award is an annual grant to university institutes and researchers for their work in the application of 3D EM field simulation. The winners are awarded with extensions to their CST STUDIO SUITE installations.The following papers have been selected to receive the CST University Publication Award 2011:•"A Compact UWB Antenna for On-Body … [Read more...]

New Laboratory for Antenna Research and Testing

 

CellMax Technologies has begun construction of a new indoor antenna laboratory in Sweden. The lab will be used to research and test 'next generation' base station antennas as a key ingredient in mobile network performance.Known as a near-field antenna measuring range, CellMax's facility is currently being built inside CellMax brand new corporate headquarters in Kista, … [Read more...]

EMC at IC Level – Part 2: Determination of IC EM Emission Characteristics

 

Note: The below article has been translated from German and can be found in its original language in the 2012 EMC Europe Guide. Part 1 of this article can be found here. INTRODUCTION  The successful development of electronics with good EMC characteristics today largely depends on the EMC behavior of the ICs used. Part 1 of this paper, titled “Pulse Immunity of ICs in … [Read more...]

Automotive RF Immunity Test Set-up Analysis: Why Test Results Can’t Compare

 

Mart Coenen, EMCMCC bv, Eindhoven, the Netherlands Hugo Pues, Melexis NV, Tessenderlo, Belgium Thierry Bousquet, Continental, Toulouse, France ABSTRACT Though the automotive RF emission and RF immunity requirements are highly justifiable, the application of those requirements in an non-intended manner leads to false conclusions and unnecessary redesigns for the electronics … [Read more...]

Company to Develop Model for U.S. Navy's Integrated Topside Program Support

 

Northrop Grumman Corporation has been awarded follow-on and additional task order contracts totaling $69 million from the U.S. Navy's Office of Naval Research (ONR) for the Navy's Integrated Topside (InTop) program.InTop is an innovative, scalable suite of electronic warfare, information operations and line-of-sight communications hardware and software for use on naval surface … [Read more...]

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