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How to drive LEDs with power factor correction in a single stage

July 16, 2014 1:47 pm | by Brian King, Texas Instruments, www.ti.com | Texas Instruments | Blogs | Comments

A PFC-SEPIC converter can be controlled using a traditional PFC-boost controller. An important characteristic of the SEPIC is the lack of isolation.  This limits the use of this topology to applications that don’t require safety isolation.  Think about applications that are completely sealed with no user-accessible energized parts, like street lights and high-bay lighting.

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India Cuts Import Duty On TV Categories

July 16, 2014 12:18 pm | by DisplaySearch | News | Comments

In a move that has significance for the TV industry in India, the Indian Government announced on July 10th that, effective immediately, import duties on CRT TV picture tubes as well as displays and other components used to manufacture flat panel TVs under 19” are now exempted from import duty.  The...

High-speed, backplane connector system is presented as future-proof

July 16, 2014 9:46 am | Molex Incorporated | Product Releases | Comments

Molex (Lisle, IL) announced today its Impel backplane connector system is available for use with the company’s Backplane Pin Map Configurator. This connector solution provides equipment manufacturers with the ability to have systems operate at today’s data-rates and costs, while providing…

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3M to spend about $885M to buy subsidiary stake

July 16, 2014 8:14 am | by The Associated Press | News | Comments

3M will take full control of its Sumitomo subsidiary by acquiring the 25 percent of the company that it doesn't already own for $885 million. The maker of Post-it notes established the subsidiary in 1961 as a joint venture with Sumitomo Electric Industries and NEC Corp. 3M acquired NEC's stake in...

UN: Nations hide rise in private digital snooping

July 16, 2014 7:14 am | by The Associated Press | News | Comments

The United Nations' top human rights official says her office sees strong evidence that governments on every continent are hiding their increasing reliance on private companies to snoop on citizens' digital lives. U.N. High Commissioner for Human Rights Navi Pillay says the lack of transparency...

Yale helps chart the heavens like never before, via Sloan Digital Sky Survey

July 15, 2014 9:19 pm | by Yale UniversityYale University | News | Comments

The next phase of a global drive to map the night sky will bring the cosmos into greater focus than at any in human history. Yale University scientists are involved all of the major aspects of the Sloan Digital Sky Survey, an initiative that spans four continents and includes 200 astronomers at...

GigE vision: Coming soon to a military screen near you

July 15, 2014 4:46 pm | by John Phillips, Senior Manager, Product Management, Pleora Technologies | Articles | Comments

Vision systems are playing an increasingly important role on the battlefield. Prized for their ability to improve surveillance while keeping troops out of harm’s way, these systems are becoming the vital electronic “eyes” in a growing range of military operations....

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Forty-Watt radiation-hardened 120-V Input DC/DC converters target satellite power systems

July 15, 2014 4:42 pm | International Rectifier | Product Releases | Comments

International Rectifier, IR (El Segundo, CA) announced the introduction of the M3G120 Series of 40-W radiation-hardened (RAD-Hard) 120V input DC/DC converters for a wide range of digital and analog satellite power systems requiring up to 15 years or more of mission life.

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Rice nanophotonics experts create powerful molecular sensor

July 15, 2014 4:37 pm | by EurekAlert! | News | Comments

Nanophotonics experts at Rice University have created a unique sensor that amplifies the optical signature of molecules by about 100 billion times. Newly published tests found the device could accurately identify the composition and structure of individual molecules containing fewer than 20 atoms....

Molecular 'eat now' signal makes cells devour dying neighbors

July 15, 2014 4:35 pm | by EurekAlert! | News | Comments

A team of researchers has devised a Pac-Man-style power pellet that gets normally mild-mannered cells to gobble up their undesirable neighbors. The development may point the way to therapies that enlist patients' own cells to better fend off infection and even cancer, the researchers say....

Automotive convenience and safety systems rely on optical sensors

July 15, 2014 4:33 pm | by Jim Toal is Senior Manager, Product Marketing, Vishay Optoelectronics | Articles | Comments

Twenty years ago, I worked for a flexible circuit manufacturer supplying to automotive instrument panel manufacturers.  At that time, these manufacturers were wary of LED lighting. The tried and true twist-in bulb represented 99.9% of interior and exterior automotive lighting....

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Research alliance for the digital revolution

July 15, 2014 4:21 pm | by EurekAlert! | News | Comments

Partners from industry and science are joining forces in a novel collaborative research alliance to address the future-oriented fields of automation and digitalization. Siemens is the first company to forge a research alliance with universities and research institutes that will utilize a new, fully integrated approach....

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3-D nanostructure could benefit nanoelectronics, gas storage

July 15, 2014 4:18 pm | by EurekAlert! | News | Comments

A three-dimensional porous nanostructure would have a balance of strength, toughness and ability to transfer heat that could benefit nanoelectronics, gas storage and composite materials that perform multiple functions, according to engineers at Rice University....

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Fundamental chemistry findings could help extend Moore's Law

July 15, 2014 4:16 pm | by EurekAlert! | News | Comments

Over the years, computer chips have gotten smaller thanks to advances in materials science and manufacturing technologies. This march of progress, the doubling of transistors on a microprocessor roughly every two years, is called Moore's Law. But there's one component of the chip-making process in need of an overhaul if Moore's law is to continue....

Drones: Next big thing in aviation is small

July 15, 2014 4:12 pm | by DANICA KIRKA, Associated Press | News | Comments

The next big thing in aviation may be really small. With some no bigger than a hummingbird, the hottest things at this week's Farnborough International Airshow are tiny compared with the titans of the sky, such as the Airbus 380 or the Boeing Dreamliner....

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