The Schaffner Group, a provider of EMC and power quality solutions, has announced its ECOsine passive harmonic filters are now available as open frame modules with extended power rating up to 400 kW/50 Hz and 500 HP/60 Hz. According to the company, the new modular filter concept specifically targets the requirements of integrators and the challenges of fitting a large amount … [Read more...]
‘Superlens’ Could Lift Restrictions on Wireless Charging
Scientists at Duke University have developed a new method of transmitting power wirelessly over much greater distances than previously achieved, bringing us closer to the possibility of a society where mobile electronic devices can be charged virtually anytime, anywhere. While the idea of wirelessly transferring power to an electronic device is not a new concept, experimental … [Read more...]
Signal and Spectrum Analyzer Features 500 MHz Bandwidth
Rohde & Schwarz has announced the availability of the new R&S FSW-B500 hardware option for all analyzers of the R&S FSW family, enabling measurements in a frequency range up to 67 GHz for applications including research and development, radar and satellite and testing of wireless connections such as WLAN or Beyond 4G (5G). According to the company, the large … [Read more...]
IEC 60794-1-20 ed1.0: Optical Fiber Cales – Part 1-20: Generic Specification – Basic Optical Cable Test Procedures – General and Definitions
From the International Electrotechnical Commission webstore: "IEC 60794-1-20:2014 applies to optical fiber cables for use with telecommunication equipment and devices employing similar techniques, and to cables having a combination of both optical fibers and electrical conductors. The object of this standard is to define test procedures to be used in establishing uniform … [Read more...]
RF MEMS Technology May Increase Antenna Efficiency
A technology often used in satellite and defense applications may drastically improve smartphone performance in the near future by increasing antenna efficiency, according to new research from scientists at the University of California San Diego School of Engineering. Antennas in many modern smartphones do not function optimally in 3G and 4G/LTE wireless environments, say the … [Read more...]
RF Testing Laboratory to Open in Louisiana
The Louisiana Technology Park, located in Baton Rouge, La. will soon house a new radio frequency laboratory on its property. Executive committee members of Research Park Corp. voted this month to devote $160,000 to the initiative that would allow local and regional companies to research and test product prototypes in a closer and more convenient location. Currently, though … [Read more...]
RF Shielding Tent Attains -98.9 dB in 800-2,400 MHz Cellular Band
Select Fabricators, Inc, a provider of RF portable fabric shielding solutions, has achieved IEEE 299 -20061 certification for its Select-A-Shield portable tent enclosure via an independent testing laboratory. Test results include -98.9 dB average RF signal shielding at commonly-used cellular and Wi-Fi frequencies of 800 – 2400 MHz and minimum signal attenuation of -85 dB over a … [Read more...]
Audi to Investigate After Woman Becomes Trapped in Vehicle
Audi officials are investigating the locking mechanisms of an Audi Q3 after an Australian woman became trapped inside the vehicle, which is equipped with keyless-entry, last weekend. "I got in, shut the door, went to press the start button and a message came up saying 'key not identified'," Amanda Stevens, from Noosa, Queensland, told The Sidney Morning Herald. "All the doors … [Read more...]
Ferrite Circulators and Isolators for Use in Wireless Infrastructures and DAS
Pasternack Enterprises, Inc., a manufacturer of RF and microwave products, has released new RF isolaters and circulators for use in wireless infrastructures and distributed antenna systems. According to the company, the new ferrite circulators and isolators cover many of the common communications bands including UHF, AMS, Tetra, Cellular, PCS, UMTS and LTE … [Read more...]
Inductor Tuning Method Could Shrink Cell Phones
Scientists at Northeastern University in Massachusetts have devised a new method of tuning radio frequency circuits that could reduce the size and improve the performance of smartphones and other RF devices. “Every radio-frequency resonance circuit has two components: an inductor and a capacitor. [However,] for the many decades that we've been using RF devices, we've only been … [Read more...]
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