A research collaboration between European scientists has yielded a breakthrough in wideband amplifier circuit design. Researchers from University College London (UCL), UK and Chalmers University of Technology, Sweden have successfully designed and tested an amplifier that operates from low GHz frequencies to frequencies exceeding 235 GHz. The new amplifier also features a gain … [Read more...]
RF Capacitor Array for Tunable Filters in Consumer Wireless Applications
Tunable RF technology developer WiSpry has announced the WS1042 tunable RF quad capacitor array optimized for tunable filter applications. According to the company, this passive, non-fixed device enables RF designers to build adaptive frequency wireless networks, leveraging the highest possible Q that is required for widely tunable filter applications. Able to change filter … [Read more...]
National Weather Alerts Block Maritime Distress Calls
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...]
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...]
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...]
‘Personal Cell’ Technology Could End Network Congestion
Steve Perlman, founder & CEO at Rearden, and John Sculley, former CEO at Apple, discuss the development of pCell technology that ends cell phone dead zones and opens up high-speed wireless communication to all on Bloomberg Television’s “Bloomberg Surveillance.” (Video: Bloomberg) A San Francisco-based start-up has announced plans to commercialize a new wireless … [Read more...]
Dutch Cable Companies Blame 4G for TV Interference
Cable companies in the Netherlands are claiming 4G wireless networks may be affecting their television broadcast signals. Certain frequencies used by the fourth generation mobile network technology are also employed by television broadcasters to deliver content over cable, the Netherlands Broadcasting Foundation (NOS) said this week. There have been complaints in some cities … [Read more...]
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