Government agencies are scrambling to find a solution for ongoing interference that could prevent a maritime vessel in distress from calling for help. Weather alerts from the National Oceanic and Atmospheric Administration are bleeding into the maritime search-and-rescue channel used by the U.S. Coast Guard, disrupting and possibly blocking distress calls from maritime … [Read more...]
Graphene May Boost RF Absorption
New research from scientists in the UK examines graphene’s ability to absorb electromagnetic radiation with the creation of optically transparent broadband absorbers operating in the millimeter frequency range. Since graphene's isolation by University of Manchester scientists in 2004, research efforts worldwide have focused on harnessing its unique electrical, optical, … [Read more...]
IEC 60601-1-2:2014: Medical Electrical Equipment – Part 1-2: General Requirements for Basic Safety and Essential Performance – Collateral Standard: Electromagnetic Disturbances – Requirements and Tests
The International Electrotechnical Commission (IEC) has published IEC 60601-1-2:2014, "Medical Electrical Equipment - Part 1-2: General Requirements for Basic Safety and Essential Performance - Collateral Standard: Electromagnetic Disturbances - Requirements and Tests." The new standard is available in the IEC's webstore here. "IEC 60601-1-2:2014 applies to the basic safety … [Read more...]
Armored Coaxial Test Cables Withstand Harsh Environments
Microwave and RF component supplier Fairview Microwave has introduced a new line of armored coaxial test cables designed to withstand punishing environments such as production line testing and continual in-the-field use. The new armored cables from Fairview are available in several standard lengths from 24 to 60 inches with either SMA or N-Type connectors, which are … [Read more...]
Advanced Filters Solve Complex LTE Interference Challenges
RF solutions developer TriQuint Semiconductor, Inc. has announced several new filters that utilize the company's advanced acoustic wave filtering technologies to address LTE interference problems in next-generation smartphones and other mobile devices. "TriQuint's expanding line of advanced filters solves challenging LTE interference issues for mobile device manufacturers and … [Read more...]
Base Station RF Tester for RF Design Verification and Production Testing
Aeroflex Ltd. has announced the introduction of a base station (BS) RF tester for all popular cellular and non-cellular wireless standards, including LTE/LTE-A and Wi-Fi. Designed for production test of BS and associated RF components, the tester can be used for both RF design verification and production test on small cells, as well as replacing conventional rack-and-stack … [Read more...]
Earth Ground Testers Verify Reliable Grounding of Electrical Equipment
Test and measurement equipment provider Fluke Corporation has released the 1623-2 and 1625-2 earth ground testers for verification of a reliable connection to earth for grounded electrical systems. The new 1623-2 and 1625-2 earth ground testers are designed to assist engineers and electricians in meeting electrical codes, engineering standards, and local regulations to ensure … [Read more...]
Tiny Millimeter Antenna Array Could Boost Mobile Networks
A new prototype chip-based antenna array that can be installed into a cellular base station smaller than a shoebox could use ultrahigh frequencies to supercharge future wireless networks, reports the MIT Technology Review. Developed by Intel, the technology builds upon research completed last year by Samsung and scientists from New York University. Reportedly capable of … [Read more...]
EV ‘Charge-Packet’ Method May Prevent Electric Grid Crash
Researchers at the University of Vermont have created a new method to handle the strain new electric vehicles will place on the nation’s electric grid. Plug-in electric vehicles, while still a small portion of the automotive market, continue to grow rapidly in popularity in part due to decreasing manufacturing costs and wider availability. In 2013, sales of full electric and … [Read more...]
Flexible Ferrites Offer EMI Shielding and Noise Suppression
Fair-Rite Products Corporation has announced the availability of new flexible ferrites. Available in four thicknesses and six material grades, the RoHS-compliant flexible sheets block noise at lower frequencies and absorb it at higher frequencies. The NiZn ferrite is placed between a 0.01 mm layer of PET film and 0.02 mm adhesive tape. Each sheet can be cut to size enabling it … [Read more...]
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