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Tears Prompt Electromagnetic Inspections on 737s

 

During a flight on April 4, a Southwest Airlines plane had a section of fuselage tear from the plane. Federal aviation officials were preparing to issue an order Tuesday that calls for emergency inspections on 80 U.S.-registered Boeing 737 jetliners with histories similar to that Southwest Airlines jet, which had been pressurized and depressurized 39,000 times before a … [Read more...]

IEC Amends Electrical Fast Transient/Burst Immunity Test Standard

 

IEC 61000-4-4:2004+A1:2010 Establishes a common and reproducible reference for evaluating the immunity of electrical and electronic equipment when subjected to electrical fast transient/bursts on supply, signal, control and earth ports. The test method documented in this part of IEC 61000-4 describes a consistent method to assess the immunity of an equipment or system against a … [Read more...]

Standards for BPL Test, Measurement

 

IEEE Standards Association (IEEE-SA) Standards Board has approved two standards. IEEE 1511.1 is a guide for investigating and analyzing shielded power cable failures on systems rated 5 kV through 46 kV, and provides an introduction to the concepts of failure analysis. Common methods are described and how they can be applied in determining the cause of failure for the components … [Read more...]

Patent Reform Act of 2011 Sparks Concern

 

IEEE-USA is one of a handful of groups opposing a draft patent reform bill moving through Congress, saying the legislation will disadvantage small and startup companies. The Patent Reform Act of 2011 has passed the Senate (S. 23) and is now in the House of Representatives (H.R. 1249). “We fear that both place small companies and individual inventors at a profound disadvantage … [Read more...]

Vancouver Island Technology Firms Can Test Closer to Home

 

Vancouver Island technology companies can now turn to a new lab to test electronic devices, saving costly trips to mainland Canada. Island Labs is the first and only Vancouver Island facility testing for EMC. The lab tests electromagnetic radiation levels from products to determine if they fall within government limits.Learn more from the Times Colonist. … [Read more...]

New EMC Handbook

 

SciTech Publishing has announced the upcoming publication of “Designing Electronic Systems for EMC” by Dr. William G. Duff, President of SEMTAS Corporation and instructor of EMC courses for the Applied Technology Institute. This handbook outlines the factors that must be considered in designing circuits, equipment, and systems for EMC. It teaches circuit and system designers … [Read more...]

Networking Over White Spaces (KNOWS)

 

Microsoft researchers have come up with a way to better utilize "white space" networks, which would tap into unused TV spectrum to deliver broadband services. In the first version of KNOWS, Microsoft introduced the concept of Time Spectrum Blocks (TSB) as the fundamental unit over which two nodes could communicate. They designed a control-channel based medium access control … [Read more...]

EMI Filters Aimed at Solar Cell Installations

 

Grupo Premo has launched a new EMC filter for Photo Voltaic (PV) installations.  The filters allow EMC compliancy for entire PV systems, prevent pre-mature panel aging and reduce installation volume.  These DC filters in PV installations help increase solar panel reliability, increase immunity in the inverter control phase, avoiding electromagnetic interference.Learn more from … [Read more...]

Amp Adds Switches for Test Versatility

 

Rohde & Schwarz adds new functions to its R&S BBA100 broadband amplifier family to create a one-box solution. Integrated RF output switches and sample port switches allow the amplifiers to be used for many applications without the need for external switching matrices. Existing third-party amplifiers can also be integrated into the R&S BBA100 system. The modular … [Read more...]

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