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Electro Magnetic Interference sources on a power supply

April 14, 2011 11:14 am | by Shane Callanan, Excelsys Technologies | Articles | Comments

EMI is everywhere. Even mother mature provides many sources of electromagnetic interference, and our own sun is a source of much radiation on a daily basis. However for electrical equipment we usually only have to deal with man made sources of radiation.

Determining the practical limit for boost factor in DC-DC voltage conversion

April 13, 2011 6:36 am | by Emir Serdarevic, austriamicrosystems | Articles | Comments

Today almost all portable devices are powered by low-voltage batteries. However, these same devices must power some circuits -- like LEDs -- that require higher supply voltages. There is therefore a clear need for boost voltage conversion.

Delivering the Industry’s Best 60A Current Rating

April 13, 2011 5:23 am | by Carl Smith & Wenkang Huang, International Rectifier | Articles | Comments

Next generation high performance server, storage and communication system CPU’s, GPU’s and DDR memory have increasingly challenging power management requirements of up to 300A load currents at very low voltages of around 1V.

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Variable Speed Technology Improves Power Factor, Boosts Grid Reliability

April 7, 2011 11:21 am | by Dan Schillinger, Business Development – Variable Speed, Danfoss VLT Drives | Articles | Comments

Air conditioning is responsible for approximately 20 percent of the total U.S. annual electricity consumption*. The introduction of variable speed drive (VSD) technology to residential air-conditioning and heat pump systems presents an opportunity for significant energy savings...

Energy saving under new management

April 6, 2011 12:12 pm | by Andreas Koller, VP Marketing and Sales, Energy Micro, www.energymicro.com | Articles | Comments

When a battery needs to support a product during many years or even decades of operation, incremental improvements in MCU integration and minor tweaks to basic processor architecture are insufficient to achieve the dramatic hikes in energy efficiency that are required.

A Practical Lithium Ion Battery Charger for use with Solar Panels

April 4, 2011 12:12 pm | by John Carpenter & Karthik Kadirvel, Texas Instruments | Articles | Comments

Increasingly, the number of battery operated devices use rechargeable lithium ion batteries as the power source. Common charging solutions for these batteries include wall adapter based chargers and universal serial bus (USB) based chargers.

Battery Testing at Garages Simplified

April 4, 2011 11:13 am | by Isidor Buchmann, CEO & founder of Cadex Electronics, www.BatteryUniversity.com | Articles | Comments

Ever since Cadillac invented the starter motor in 1912, vehicles used lead acid batteries to crank the engine. Not much has changed in 100 years except that the starter battery must now also feed power-hungry accessories. Starting is easy...

Think Outside the Chip…MEMS-Based Systems Solutions

March 21, 2011 5:25 am | by Roger Grace, President, Roger Grace Associates, rgrace@rgrace.com | Articles | Comments

MEMS is an acronym for Microelectromechanical Systems however most “MEMS” implementations to date have not been systems at all but rather devices. This article addresses the creation of solutions that are enabled by MEMS...

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Flexible Integrated RF Devices For Digital Wireless Markets

March 21, 2011 4:53 am | by C.N. Wilson, CML Microcircuits | Articles | Comments

Today we see a huge number of wireless systems in use, with two categories, in terms of numbers of RF devices, tending to dominate; both are high volume consumer markets. The first category is cellular technology...

Gulliver’s Miniature Power Supply Designs

March 14, 2011 5:41 am | by Thomas Hoffman, Texas Instruments | Articles | Comments

Developers are faced with a systems landscape that is in constant change. As complexity increases, so do power management requirements. New features like camera flash light drivers, built-in projectors, communications and application-specific processors...

Managed Switch Technology Primed for Military Applications

March 8, 2011 4:27 am | by Mike Southworth, Director of Marketing, Parvus Corporation | Articles | Comments

The success of net-centric warfare is dependent on fast, secure communications technology – specifically Ethernet. To meet the military's demands for Ethernet-enabled vehicles, there is an increased focus on developing a variety of Ethernet switches and routers...

Online CAD Solutions Improve Engineering Productivity, Reduce Errors

February 15, 2011 4:37 am | by Peter Mooney, Product Director, Thomas Industrial Network | Articles | Comments

As engineers and their supplier partners are challenged to work faster and to reduce mistakes, it’s no wonder that the market for CAD software is booming, topping $5 billion*. Manufacturers of electronic components, and the engineers who work with them...

Acceleration mechanisms in graphics frameworks for User Interface design

February 14, 2011 5:24 am | by Jithu Niruthambath and Prabindh Sundareson, Texas Instruments | Articles | Comments

User Interfaces (UIs) have transformed from plainly encapsulating the functionality of a device to capturing the intent of user operations and optimizing the overall control flow. Depending on the end application, the appearance of UIs can range from...

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Integrated Product Management: New approach to software tools and processes for the systems engineer

February 8, 2011 7:43 am | by Steve Shoaf, IBM Rational | Articles | Comments

The demand for smarter products is driving manufacturers and service providers to look for new, innovative ways to differentiate their products and enable them to be easily configurable for highly individualized usages. However, because most manufacturers now rely on a global network of design partners and suppliers to create highly sophisticated products...

New Graphical Tools Significantly Simplify Servo Drive Setup and Optimization

February 7, 2011 4:48 am | by Josh Inman, Product Manager, Kollmorgen, www.kollmorgen.com | Articles | Comments

Original equipment manufacturers (OEMs) face continual demands to bring new products to market with higher levels of performance in time to meet shrinking market windows. In many cases, motion is the key to differentiating the machine...

GPUs Go Mainstream

January 20, 2011 9:10 am | by Jos Martin, Principal Architect for parallel computing tools at MathWorks | Articles | Comments

At the NVIDIA GPU Technology Conference (GTC) in September this year several ISVs announced extensive support for GPU based functionality. A reasonable question that arises from these announcements is ‘why now’?  GPUs have already found favour in a number of computational disciplines...

Shrinking Design Cycles

January 18, 2011 10:21 am | by Shrikrishna Mehetre, Open-Silicon | Articles | Comments

Semiconductor industry sales started with $1B in 1962 and have now reached over $225B. The initial ASIC products were mainly processors, but today the ASIC design industry has evolved to cater to every market segment, from things such as networking and imaging, to tiny biomedical devices.

The Changing Nature of Development Cycles for Portable Devices

January 18, 2011 6:07 am | by Anders Holmberg, Product Manager, IAR Systems | Articles | Comments

Not so long ago I worked for a mobile handset company as a software developer. A team of 40 worked across several different sites and countries on a major 2 year project to design a new handset. It was not uncommon for us to work on a subset of code and never see the whole application.

Tools to Shrink Your Design Cycle Times

January 10, 2011 5:01 am | by Bonnie C. Baker, Texas Instruments | Articles | Comments

Designers continue to face pressure from customers and competitors to produce products in a timely manner. Product planning and implementation is critical in this rapid pace environment.

How Semiconductors Are Enabling Consumer Medical Devices

December 15, 2010 10:28 am | by Paul Errico, Analog Devices, Strategic Marketing Manager, Healthcare Segment Team | Articles | Comments

Semiconductor research and development in the late 20th century was driven by the computing and communications applications such as PCs, handsets and consumer applications. Today, it is increasingly influenced by the demand for ICs that make possible the next generation of medical devices...

Medical Displays Respond to the Touch

December 3, 2010 6:51 am | by Ralph Polshak, Optrex America, Inc., www.optrex.com | Articles | Comments

Medical devices present a special and challenging set of requirements for LCD displays. They need to provide high quality images with high contrast, high resolution images and data...

Semiconductor Technologies Accelerate Development of Ultrasound Specific Integrated Circuits

November 29, 2010 10:47 am | by Xiaochen Xu and Harish Venkataraman, Medical Business Unit, Texas Instruments | Articles | Comments

Ultrasound imaging is one of the most important medical imaging methods due to its safety, cost effectiveness, and real-time capability. Conventional ultrasonic imaging systems use frequencies from 2–20 MHz with a resolution of millimeter level.

Turn to Embedded Passive Layers for Smaller, Lighter and More Efficient Devices

November 11, 2010 4:27 am | by John Geissinger, Applications Engineer Senior Specialist, 3M Electronic Solutions Division | Articles | Comments

Nearly every electronic device – be it for a consumer, medical or military application – can benefit from a reduction in weight or form-factor size and increased efficiency, performance and functionality. Sounds too good to be true, but in fact, many applications could realize those benefits...

Maximizing the 3D Experience: Don’t Overlook the Batteries

November 5, 2010 10:39 am | by Eric Lind, VP Business Development at Contour Energy Systems | Articles | Comments

Imagine your disappointment when your 3D glasses fail just as the action peaks in a movie or during a game. With rechargeable batteries you’re stuck waiting for the glasses to recharge (having a spare pair is just too difficult to justify given the current high price).

Accurate Compassing in Harsh Environments

November 2, 2010 6:57 am | by Andrew Leuzinger, PNI Sensor Corporation, www.pnicorp.com | Articles | Comments

Today’s electronic compasses are built to withstand harsh environments – mechanical shocks, extreme temperatures and battlefield conditions. Yet the most challenging environment for electronic compasses is transitory magnetic field distortion encountered in everyday situations.

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