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Interference Technology

For EMI / EMC Engineers

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South Korea Revives GPS Backup After Cyber Attack

 

(May 1, 2016) After it was determined earlier this year North Korea had jammed the GPS satellite navigation system affecting the receivers of several hundred fishing boats, South Korea has revived a project to build a backup ship navigation system that would be difficult to hack, reported the Maritime Executive. "South Korea, which says it has faced repeated attempts by the … [Read more...]

Task Force Created To Assess the Risk of Collision Between Drones and Aircraft

 

(May 4, 2016) The European Aviation Safety Agency (EASA) recently announced the creation of a task force to assess the risk of collision between drones and aircraft. The task force will review all relevant occurrences, analyze any existing studies on the subject, study the vulnerabilities of aircraft (windshields, engines, and airframe), and consider the possibility to do … [Read more...]

Army’s Need for More Spectrum

 

(May 1, 2016) The electromagnetic spectrum is a valuable, but crowded, asset and the Army’s demand for spectrum has increased dramatically. To complicate matters, today’s operating environment is the most challenging and diverse the Army has ever known. Though primarily based in the continental United States, the Army is expected to respond rapidly to threats and to … [Read more...]

The IEMI Threat and a Practical Response

 

William Turner Senior Design Engineer MPE Ltd Email: wturner@mpe.co.uk   IEMI Threat With the increasing use of electronics to control so many aspects of modern life, from smart grids to driverless cars, Intentional Electromagnetic Interference (IEMI) is a threat gaining concern. Various initiatives have been set up to address the needs of specific market areas, and new … [Read more...]

How to Select the Right EMC Standard for Your Product

 

Many companies developing products find it difficult to determine the appropriate EMC standard to comply with. The IEC (International Electrotechnical Commission) has developed a web page that explains EMC and offers a tabbed selection method for determining the right standard that applies to your product family. You can then go to their web store and purchase downloadable … [Read more...]

How the IEC is Organized for EMC

 

International EMC standards can be confusing to the newcomer. The IEC has posted a chart as to how the various standards organizations are organized. The first level of organization is the committees, such as TC77, CISPR, and various product committees. These committees have liaisons with associated standards organizations, such as ISO, ITU, CENELEC, and many others. Many of … [Read more...]

New 1GHz Optically Isolated Differential Measurement System

 

Tektronix recently announced the highest bandwidth optically-isolated differential probing system at APEC 2016. The system offers complete galvanic isolation between the measured system and oscilloscope. The system will accurately measure high bandwidth differential signals in the presence of large common-mode voltages. It will also offer immunity to external interference and … [Read more...]

Blue Guide for EU Product Rules Available

 

The European Union’s (EU) “Blue Guide” describes general rules for placing electronic products on the market within the EU. It describes how the EU regulates the free movement of goods, when the harmonization rules apply, the product supply chain and their obligations, product requirements, conformity assessment, and accreditation. The document goes on to describe how market … [Read more...]

North Korea Interferes with GPS Navigation Systems

 

Newsweek reported South Korean officials have accused North Korea of using radio waves to interfere with GPS navigation systems near the border between the two countries. This apparently occurred just after North Korea fired a short-range missile into the East Sea. South Korea’s Yonhap News Agency referred to this as an act of “defiance against mounting pressure to give up its … [Read more...]

CISPR Provides Standards for SmartGrid

 

CISPR’s (International Special Committee on Radio Interference) primary role is standardization in the field of control of emissions above 9 kHz from devices, and as such has published various standards that cover or can be applied to SmartGrid system emission measurements and control. To ensure protection of the radio frequency spectrum, emissions must be addressed … [Read more...]

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