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...]
Military
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...]
Lightning Induced Transient Tester Available for Rent
Advanced Test Equipment Rentals signed an agreement with EMC Partner to supply the new AVI3000, which is designed to simulate the new MIL-STD-461G CS117 and DO-160 Section 22 recently added requirements for lightning induced transients. The AVI3000 allows full compliance to level 3 for PIN injection and cable bundling tests. All six waveforms reside in the single unit. To … [Read more...]
Spectrum Analyzer Fundamentals – Part II
Spectrum Analyzer Fundamentals - Part II, presented by Bill Kardine, Application Engineer, of Rohde & Schwarz, expands on Part 1 of this recorded webinar. It explains more specific concepts relevant to spectrum analyzers, such as common analyzer measurements. Phase noise, dynamic range, and other frequently misunderstood specifications are explained, in addition to typical … [Read more...]
MIL-STD-461G: The "Compleat" Review
Ken Javor, EMC Compliance January 2016 The deleted old, The brand-spanking new. That which was borrowed, And that, eschewed. MIL-STD-461G was released on 11 December 2015 and will become contractually obligatory on programs initiated after that date. This account is more than a simple laundry list arrived at by performing a side-by-side “F” vs. “G” … [Read more...]
Have Suspect Counterfeit ESD Packaging & Materials Infiltrated the Aerospace & Defense Supply Chain?
Have Suspect Counterfeit ESD Packaging & Materials Infiltrated the Aerospace & Defense Supply Chain? Bob Vermillion, CPP, Fellow Certified ESD & Product Safety Engineer - iNARTE RMV Technology Group, LLC NASA-Ames Research Center Moffett Field, CA 94035 According to the 12 February 2016 edition of the EE Times, President … [Read more...]
How Hedy Lamarr Invented Early Frequency-Hopping Technology
(By Kenneth Wyatt) A recent article by Intel describes how actress, Hedy Lamarr helped invent the first frequency-hopping anti-jamming system for torpedoes. The article describes, "A lonely immigrant from Austria slips out of her stage clothes and kicks off her heels. Carefully removing her movie makeup, she’s dissatisfied that she’s been overlooked for more significant … [Read more...]
U.S. NAVY Developing Wave Energy Conversion Device
The U.S. NAVY is researching a device that will convert wave motion to electricity to power emergency equipment in life rafts. The “Lifesaver", a ring-shaped buoy, is being tested to obtain operational data on this particular ocean renewable energy conversion technology. The buoy converts energy generated by passing waves into electrical energy. The Lifesaver project was … [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...]
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