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Interference Technology

For EMI / EMC Engineers

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Amplifers

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...]

Why Is There AIR (in MIL-STD-461G)?

 

Ken Javor, EMC Compliance January 2016 (with a tip of the hat to a great performer…) As noted in the compleat MIL-STD-461G review also found in this issue of ITEM, SAE Aerospace Information Report (AIR), AIR 6236, In-House Verification of EMI Test Equipment was written specifically to support MIL-STD-461G.  Specifically, section 4.3.11 Calibration of measuring equipment … [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...]

New Canted Gaskets Certification Tested for High Current Applications

 

Bal Seal Engineering, Inc. has subjected its Bal Spring™ canted coil springs to third-party testing to demonstrate how well the springs withstand KEMA’s rigorous short circuit current exposure and cycling. The results will enable the company to provide customers with verified performance data, including continuous, short-circuit and peak current ratings and electrical … [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...]

Fast Radio Burst "Afterglow" Is Actually Flickering Black Hole

 

Harvard University reported that last February a team of astronomers reported detecting an “afterglow" from a mysterious event called a fast radio burst "which would pinpoint the precise position of the burst's origin." "New research by Harvard astronomers Peter Williams and Edo Berger shows that the radio emission believed to be an afterglow actually originated from a distant … [Read more...]

UK’s Decision to Regulate Interference from Apparatus

 

In the UK, Ofcom has decided to issue new regulations for wireless telegraphy. Wireless Telegraphy (Control of Interference from Apparatus) Regulations 2016 is intended to tackle undue interference from electrical and electronic apparatus. In most cases, electrical and electronic apparatus are capable of emitting electromagnetic energy, but is minimal. However, in some cases … [Read more...]

New Edition of ICES-003 Published by IC

 

Test lab, SIEMIC, reports that in January 2016, Industry Canada (IC) published the new 6th edition of IC Interference-Causing Equipment Standard ICES-003, Issue 3, with the helpful title “Information Technology Equipment (Including Digital Apparatus) – Limits and Methods of Measurement”. This ICES standard is the primary document that defines the test methods and frequency … [Read more...]

High Power Pulse TWT Amplifiers Released

 

Advanced Test Equipment Rentals (ATEC) now offers Instruments For Industry (IFI) PT-KW HP Series Pulse TWT Microwave Power Amplifiers for lease. These models are designed for microwave, high intensity radiated field (HIRF), and radar testing. The amplifiers provide up to 12,000 Watts of pulse power for various frequency ranges from 1.0 to 18.0 Gigahertz. They can assist with … [Read more...]

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