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Design Talk: Year in Review

December 8, 2009 9:31 am | Articles | Comments

When designing displays for mobile applications it’s often a balancing act between increasing ruggedization and keeping the product’s weight down.  These two seemingly opposite ideas can be solved by optically bonding substrates to the LCD front surface thereby eliminating the air gap which increases ruggedization without adding weight.

Designing a Buck Converter

December 8, 2009 9:20 am | by Tamara Schmitz | Articles | Comments

Designing a buck converter isn’t easy. Most users want a box that works—taking in one DC voltage and delivering another. This box can take various forms. It can be a step-down to generate a lower voltage or step-up to generate a higher voltage. There are also plenty of special options...

"I'd Like to Check Out Two Books, One DVD, and One Electrical Meter, Please."

December 8, 2009 7:52 am | by Energy Savers Blog | Blogs | Comments

Yesterday I wrote about my experience using a digital electrical meter at home. Today I'll discuss what I'm doing with promoting their use in my home town. According to one popular environmental Web site, there are a number of libraries providing fre

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Coming Soon...

December 7, 2009 5:53 pm | by An Engineering Mind | News | Comments

I just wanted to let everyone know that follows this blog that the new website will be launching march 1st. Yes, that is right, an ACTUAL site. I did have to employ Carl's help slightly, so if there is any part you don't like, you can email me! So, if you are new to this blog, or have...

You Can't Manage Energy Use That You Don't Measure

December 7, 2009 5:52 am | by Energy Savers Blog | Blogs | Comments

"You can't manage what you don't measure" is a common management adage. It applies well to energy as well. I think I do a decent job at restricting my energy usage at home. After all, I'm supposed to be an energy expert. But who would have thought th

Brainstorm: Optoelectronics

December 7, 2009 5:09 am | Articles | Comments

What is your opinion on the incandescent ban?

Energy Metering ICs Deliver Highest Accuracy for Billing and Power Quality Monitoring Applications

December 7, 2009 4:03 am | Analog Devices, Inc. | Product Releases | Comments

Analog Devices, Inc. (NYSE: ADI), a global leader in high-performance semiconductors for signal processing applications, today introduced four energy metering ICs (integrated circuits) designed to improve the accuracy and performance of commercial, industrial, and residential smart meters.

High-Performance Chip and R & D Package Combine for Record-Setting Efficacy

December 7, 2009 4:00 am | Product Releases | Comments

Cree, Inc. (Nasdaq: CREE), a market leader in LED lighting, announces it has achieved industry-best reported R&D results of 186 lumens per watt for a white power LED. This result demonstrates Cree's continued focus on pushing the performance of its LEDs. Cree's tests confirmed that the LED produced 197 lumens of light output and achieved 186 lumens per watt efficacy at a correlated color temperature of 4577K.

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Program Launched to Boost Clean Energy Job Growth

December 7, 2009 3:48 am | News | Comments

The Apollo Alliance released a clean energy investment plan today that will create up to 1.2 million domestic jobs while increasing U.S. energy security and climate stability. The release of Apollo’s 5-point plan coincides with today’s urgent White House jobs summit and amid intensified talk by Congressional leaders of an emergency jobs bill.

Augmented-Reality iPhone App Locates Twitter Pals

December 4, 2009 5:10 am | by Stuart Fox | News | Comments

Like most Internet applications, Twitter connects you with people who seem to exist in a vast, abstract, cyberspace. Now, a new iPhone app from the French company Presselite uses augmented reality to show you exactly where your friends are tweeting from.

About the new site...

December 4, 2009 3:53 am | by An Engineering Mind | News | Comments

So...remember how I was all "look for a new site March 1st" even though everyone, including Carl, said I shouldn't promise anything? You know, the whole "under-promise, over-deliver" thing? Well, crap got serious in the last month and a half or so, and putting up a new website full of...

Have You Used LED Light Strings?

December 3, 2009 9:53 am | by Energy Savers Blog | Blogs | Comments

This week, you read about LED holiday light strings, which can use 90% less energy than regular incandescent light s

Zubbles – Get Your Colored Bubbles

December 3, 2009 6:53 am | by Curious Cat Science and Engineering Blog | News | Comments

photo of blue colored bubble. I first posted on this in 2005: Colored Bubbles. Now you can order your own via Zubbles. Colored Bubbles Have Landed (and Popped and Vanished) Having solved the colored bubble dilemma, we spent most of 2006 trying to refine our dyes and the manufacturing...

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Circuit Protection Considerations for USB 3.0

December 2, 2009 10:44 am | by Kedar Bhatawadekar, Technical Marketing and Product Application Engineer, Tyco Electronics’ Raychem Circuit Protection Products, www.tycoelectronics.com | Articles | Comments

The new USB 3.0 – or “SuperSpeed USB” – protocol was developed to provide higher transfer rates, increased maximum bus power and device current draw, and new power management features, as well as new cables and connectors that are backward-compatible with USB 2.0 devices.

Power Management Design for Portable and Battery Powered Systems

December 2, 2009 9:26 am | by Jacques Lavernhe, System Engineering Manager, ON Semiconductor, www.onsemi.com | Articles | Comments

Integrating the maximum number of functions plus power management into the main chipset for portable, battery powered devices such as mobile phones with capability such as MP3, Mpeg4, and TV, would seem to be critical if an acceptable length of battery life is to be achieved.

Power MOSFET Design Considerations

December 2, 2009 5:50 am | Articles | Comments

The power MOSFET transistor, along with the decades of continuing device design optimization, has enabled new circuit topologies and improvements in power supply efficiency. The conversion from current-driven to voltage-driven power devices resulted in a rapid market adoption of these devices.

Collin's Lab: Infrared heart sensor

December 2, 2009 4:34 am | Videos | Comments

The beating of the heart is often recorded via sound or simply with touch - but there's also another interesting and somewhat lesser known option - light. An infrared emitter/detector pair can be used along with a programmable microcontroller, to effectively visualize the effects of the human body's hardest-working muscle

Optimizing Touch Panels for the Industrial Environment

December 2, 2009 4:33 am | by Bruce DeVisser, Fujitsu Components America, http://us.fujitsu.com/touchpanels/ | Articles | Comments

In the industrial environment, touch panels, or touchscreens, facilitate operator input in a very simple, yet reliable, way. As touch input-based handheld and mobile devices enter more industrial applications – such as portable flow controls and handheld terminals for field testing – companies need to protect and extend their investment.

Industrial-Strength Features Make a Difference in Embedded Processing

December 2, 2009 4:20 am | by David Katz and Rick Gentile, Analog Devices, Inc. | Articles | Comments

Many general-purpose signal processors are acceptable for industrial applications based on their computing performance and baseline connectivity features. However, there are important peripheral enhancements that can significantly upgrade the processor’s capabilities for more demanding industrial systems.

Save Money with LED Holiday Light Strings

December 1, 2009 8:55 am | by Energy Savers Blog | Blogs | Comments

It's hard to believe, but the holidays are in full swing and many of you are starting to decorate your homes. Those of you who started around Halloween are probably feeling pretty smart because you got your decorating done while the weather was nice.

20 mV Step-Up Converter for Energy Harvesting Applications

December 1, 2009 6:05 am | Product Releases | Comments

Linear Technology announces the LTC3108, a highly integrated step-up DC/DC converter designed to start-up and run from extremely low input voltage sources such as thermoelectric generators (TEGs), thermopiles and small solar cells. Its self-resonant topology steps up from input voltages as low as 20mV.

Cool stuff for Christmas

December 1, 2009 4:54 am | Articles | Comments

Holidays in New York City are beautiful. The lights, the people, the excitement. However, Christmastime in the city is also a constant reminder that you have gifts to buy for people, regardless of your particular secular rationale. For the style-conscious, the E Ink Digital Calendar Watch from Phosphor is both attractive and cutting-edge...

Magnalight.com Adds 20 Watt LED Spreader Light for Boats

December 1, 2009 4:31 am | Larson Electronics Llc | Product Releases | Comments

Larson Electronics’ magnalight.com announced the addition of the LED10W-4RT-F http://www.magnalight.com/pc-46771-274-40-watt-led-light--3600-lumen--9-32vdc--adjustable-surface-mount--flood-beam.aspx [40 watt led spreader light] for boats, vehicles and equipment.

Cree and Liaoyuan Lighting Demonstrate 98.3 Lumen per Watt LED Streetlight

December 1, 2009 4:10 am | News | Comments

Cree, Inc (Nasdaq: CREE), a market leader in LED lighting, and Ningbo Liaoyuan Lighting Co., hosted the 2009 LED Lighting Fixture Promotion Conference last week in Guangzhou, China. The conference featured government officials and leaders from city street lamp management offices.

Leaders say momentum building on climate change

December 1, 2009 3:56 am | News | Comments

Leaders of the Commonwealth countries called Saturday for a legally binding international agreement on climate change and a global fund with billions of dollars to help poor countries meet its mandates. The 53-nation meeting was the largest gathering of international leaders before next month's global climate summit in Copenhagen.

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