Germany launches national OLED research project
News & Analysis 12/29/2009 1 comment
Germany's BMBF (Federal Ministry of Education and Research) is providing support for a 14.7 million euro (about $21 million) project called So-Light, intended to accelerate the application of organic light emitting diodes (OLEDs) for lighting and signage.
The 10 most popular stories of 2009
News & Analysis 12/29/2009 Post a comment
Here are the top ten stories for 2009 as ranked by EE Times readers, up to and including Tuesday, Dec. 29. The ranking is based on the number of reader "views" or "hits" on a particular article.
Nano vacuum tubes could make better batteries, or memories
News & Analysis 12/23/2009 2 comments
Researchers at the University of Illinois at Urbana-Champaign, reckon the vacuum tube could be basis of a high energy density battery, or a non-volatile memory. In theory arrays of nanometer-scale vacuum tubes should be able to achieve three times the energy density of lithium-ion batteries.
Universities gear up for smart grid training
News & Analysis 12/22/2009 Post a comment
The U.S. Department of Energy is evaluating dozens of proposals from universities and others seeking $100 million in grants to train tomorrow's engineers and technicians for as many as 30,000 new jobs that could be needed over the next few years as today's electric grid transitions to a digital network.
IEEE to revise standard for rechargeable cellular batteries
News & Analysis 12/18/2009 Post a comment
The IEEE has approved work to begin on a revision to IEEE Std 1725, "Standard for Rechargeable Batteries for Cellular Telephones" which addresses the quality and reliability of rechargeable lithium ion and lithium ion polymer batteries for cellular telephone applications.
Solar Energy and the micro-inverters
Product News 12/16/2009 1 comment
New micro-inverter technology can pinpoint when a specific solar module is failing in an entire system so they can be identified and replaced on a regular service call.
Efficient power systems for portables
Design How-To 12/16/2009 Post a comment
The performance of power supplies for portable systems need to be improved on a constant basis. This how-to from Ittiam presents a generic power supply design for an embedded system and examines the function of each module in the design. It provides guidelines for selection of topologies and components, thermal and packaging aspects and even battery management.
Engineer tapped to head smart grid standards work
News & Analysis 12/16/2009 Post a comment
The U.S. government fueled significant work on smart electric grid this year, but the hard work of making the transition to a digital power network is just beginning, according to Steve Widergren, a principal engineer at Pacific Northwest National Laboratory recently named to head a broad new smart grid standards effort.
True power and current monitor offers power measurement accuracy benefits
Product News 12/14/2009 Post a comment
Linear Technology Corporation has introduced a power and current monitor for 4 V to 80 V systems that provides the necessary circuits to accurately measure, monitor and control power in situations where both the current and voltage may vary due to supply voltage uncertainty, component parametric changes, transient conditions or time-varying signals.