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...]
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...]
EMI/RFI Shielding Silicones Meet MIL-DTL-83528 Specifications
Elasto Proxy, a supplier of specialty seals and custom insulation, has released new EMI/RFI shielding silicones that meet the MIL-DTL-83528 specification for electrically-conductive elastomeric gaskets with shielding. Aerospace, military, electronics, and communications equipment customers who need EMI/RFI conductive silicone compounds can chose ultra-thin sheets and rolls … [Read more...]
Electromagnetic Radiation Powers Smartphone Case
Video: VentureBeat A new smartphone case prototype on display at the Consumer Electronics Show in Las Vegas featured a unique way to signal an incoming call that makes use of the cell phone’s electromagnetic radiation. Concepter’s Lune smartphone case detects when a call is being received based on the wavelength of the phone’s GSM signal and alerts the user by illuminating a … [Read more...]
Graphene Nanoantennas May Enable Tiny Networks
Scientists have released new theoretical research that suggests tiny nanoscale antennas made from graphene could overcome the limits of similar antennas fabricated from traditional metal components to enable highly efficient networks of nanomachines. Graphene, a material comprised of a hexagonal structure of carbon atoms, is capable of generating a type of “electronic surface … [Read more...]
Agilent Technologies Releases Name of Electronic Measurement Spin-Off Company
Keysight Technologies Reflects Ability to Unlock Measurement Insights for Engineers Agilent Technologies Inc. today revealed the name of the electronic measurement company it expects to spin off in early November 2014 as Keysight Technologies. The name Keysight conveys the ability to see what others cannot, offering the critical or key insights to understand and unlock the … [Read more...]
Wireless Molecular Network Uses Alcohol to Send Text Messages
Scientists have successfully transmitted a text message via the world’s first wireless molecular network in a breakthrough that could lead to better methods of sending data in challenging underground or underwater environments where electromagnetic waves cannot be used. To send their message, researchers at the University of Warwick in the UK and the York University in Canada … [Read more...]
New Tools Combat Wireless Interference
A number of new tools created by MIT researchers to solve wireless network transmission interference problems are being recognized by the National Science Foundation. Dina Katabi, a professor in the department of electrical engineering and computer science at the Massachusetts Institute of Technology, and leader of MIT's networks research group has been working to address … [Read more...]
Surface-Mount ESD Protection Diodes for Portable Electronics
Vishay Intertechnology, Inc. has announced a new series of surface-mount ESD protection diodes in a low-profile SMF package that provide high surge capability of 200 W at 10/1000 µs for portable electronics. The SMFxxA series consists of 32 devices with working voltages from 5 V to 58 V. The new devices offer a peak pulse current from 2.1 A to 21.7 A, excellent clamping … [Read more...]
Verizon 700MHz LTE Service Distorts Time Warner Cable Signals
In North Carolina, customers of Time Warner Cable Company have linked the appearance of blurry, pixelated images on their televisions to nearby use of Verizon LTE smartphones. According to local station WRAL-TV in Raleigh, NC, Time Warner Cable recently moved some TV channels, including WRAL-TV, to the same broadband spectrum that serves Verizon’s 4G LTE data service. Verizon … [Read more...]
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