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Interference Technology

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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...]

New Filters for Asynchronous Motor Control

 

TDK recently announced a new line of filters designed expressly to filter the frequency converters for asynchronous motor controllers. High frequency noise emissions from these frequency converters has become more of an issue as older motor technology is replaced with the newer variable speed - variable frequency motor controller systems. The EMI from these can cause … [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...]

White Papers On Automotive EMC Applications Released

 

ON Semiconductor has released several white papers dealing with automotive EMC applications. The list includes EMI/ESD Protection for the CAN Bus, Auto Power Supply Applications and Efficiency, and EMC Tests and PCB Guidelines for Automotive Linear Regulators. The controller area network (CAN) is a popular communications protocol for automotive systems. Power management is … [Read more...]

Drones to Fly Medical Supplies in Rwanda

 

Zipline, a Bay Area startup funded by Yahoo founder Jerry Yang and Microsoft co-founder, Paul Allen, and others, has raised $18 million to develop a fixed-wing drone system to fly medical supplies in Rwanda. Zipline founder, Keller Rinaldo, started Zipline in 2011 and is developing a system for delivering blood and other medical supplies to remote regions in the … [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...]

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...]

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