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DC/DC converter design principles for wireless sensor node applications

January 15, 2013 4:55 pm | by Yogesh Ramadass, Design Engineer and Tony Antonacci, Systems Engineer, Texas Instruments | Texas Instruments | Articles | Comments

With the advancement of energy harvesting elements, energy can be found and captured in almost any application, allowing for a wide variety of systems to be powered remotely. Applications such as “smart homes” and “mesh sensor networks” take advantage of the harvesting elements in order to power back-end electronics....

Using wireless in industrial automation to improve energy efficiency

January 15, 2013 4:44 pm | by Cory Vanderpool, Business Development Director, EnOcean Alliance | Enocean | Articles | Comments

There is no doubt that considerable energy is utilized when it comes to industrial facilities. According to the Department of Energy, there are about 350,000 industrial facilities in the U.S. with annual energy costs totaling $94.4 billion. It is estimated that 30 percent of this energy is used inefficiently or unnecessarily.

Designing a smart TV remote using a 2.4GHz RF radio

January 15, 2013 10:13 am | by RamaSai Krishna Vakkantula, Cypress | Cypress | Articles | Comments

Today’s television manufacturers are designing televisions that are smart and have the ability to connect to the Internet so that users can browse web content and socialize. Usually these smart TVs are mounted on the wall and all other entertainment equipment islocated behind the closed doors of an entertainment center.

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Why dual-mode Bluetooth makes sense

January 4, 2013 10:23 am | by Dana Myers, channel marketing manager, Wireless Connectivity Solutions, Texas Instruments | Texas Instruments | Articles | Comments

Traditionally, Bluetooth has been associated with hands-free calling and peripheral applications requiring short-range wireless connectivity. After the introduction of the Bluetooth v4.0specification in 2010, which standardized Bluetooth low energy operation, a large amount of the industry buzz has been on Bluetooth low energy applications....

What to look for in relays for space applications

October 11, 2012 9:34 am | by Karl Kitts, Engineering Director, High Performance Relays, TE Connectivity | Articles | Comments

When NASA’s Curiosity rover made a perfect landing in Gale Crater of Mars, it was 150 million miles from the nearest repairman. Every component has to operate reliably to support the vehicle’s expected operation life of 98 weeks—or one Martian year. Specifying a relay for space obviously involves finding a compact, lightweight device that meets electrical needs.

LRDIMM answers the enterprise compute and communications systems call

October 10, 2012 4:39 pm | by Sameer Kuppahalli, Inphi Corporation | Articles | Comments

Among the myriad technology sectors looking to boost performance efficiently, the enterprise segment poses a unique challenge to communications and other system makers. While servers can be deployed in any number of environments – and scaled to meet applications’ specific needs...

What’s the worst that could happen? RF communication disasters

October 8, 2012 11:07 am | by Michael Clonts, Product Manager, RT Logic | Articles | Comments

The morning of December 4, 2011 began normally for the team of Air Force technicians. As they settled into their shift flying unmanned aircraft over Afghanistan, perhaps they chatted casually and swapped stories from the weekend. Very soon, however, their conversations were interrupted by shrill alarm sirens blaring from their control monitors.

Low-voltage ICs in power-hungry data centers benefit from high-voltage DC supply path

October 5, 2012 10:10 am | by Stephen Oliver, VP VI Chip Product Line, Vicor Corp., www.vicorpower.com | Articles | Comments

There's a "back to the future" aspect to power distribution for datacenters in the 21st century. At the beginning of the 20th century, Thomas Edison was a proponent of distributing power to homes and businesses using higher-voltage DC, while Nikola Tesla’s backer George Westinghouse supported distribution via AC.

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Controller area network (CAN): Teaching an old dog new tricks

October 3, 2012 12:06 pm | by Scott Monroe, Texas Instruments | Articles | Comments

There is a saying that you cannot teach an old dog new tricks. While CAN is 25 years old, it continues to grow and gain new capabilities. It has been adapted into widely varying applications starting with its roots in simple automotive multiplexing to the current automotive networks, transportation, and industrial applications.

Impact and mitigation of counterfeit ICs in the aerospace and defense market

October 3, 2012 11:45 am | by Brad Little, Texas Instruments | Articles | Comments

Over the years, the relative stability of the defense and aerospace industry has served as a stable and reliable revenue pool. This market has attracted a variety of manufacturers to help offset the cyclical changes in the commercial and industrial markets. Aerospace and defense (A&D) companies continuously search for the latest and best commercial technologies...

The demanding requirements of harsh environment switch designs

September 19, 2012 1:33 pm | by Owen Camden, Business Development Manager, C&K Components | Articles | Comments

Electromechanical components are not all created equal. A primary concern for design engineers when specifying electromechanical components in industrial applications is ensuring the products are rugged and robust enough to withstand harsh industrial environments.

Electronic locks: Intelligent access enhances datacenter security

September 19, 2012 1:22 pm | by Steve Spatig, General Manager, Electronic Access Solutions, Southco | Articles | Comments

The information stored within datacenters has become the foundation on which many organizations today conduct daily business and operations, and in many cases, is considered to be their most valuable asset. From the facility down to the cabinet level, security is a key concern of datacenter engineers.

Meeting satellite design challenges with both off-the-shelf and customized space-grade DC-to-DC converter solutions

September 11, 2012 9:30 am | by Rob Warren, Vice President and General Manager, Microsemi Corporation | Articles | Comments

Satellite design engineers face many difficult issues. End customers such as the U.S. Air Force are demanding ever higher levels of reliability. Failure in space-related applications is not an option. The products used in satellites must work every time, in a plethora of environmental extremes...

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LEDs: Redefining the basic assumptions of lighting

August 1, 2012 9:57 am | by Doug Bailey, Power Integrations | Articles | Comments

Over the past 150 years or so, the lighting industry has evolved into a mass production industry built around the concept of standardized bulbs, designed with built-in obsolescence.  Consumers find themselves frequently replacing identical, short-lived products with more of the same. This trend is supported by a small number of large manufacturers that meet demand by building billions of identical products at low cost.

Efficient tuning of capacitive-sensing designs

June 14, 2012 3:14 pm | by Robert Jania, Cypress Semiconductor | Articles | Comments

A fundamental aspect of any capacitive sensing design is the calibration of the sensor. Calibration eliminates the sensor providing false actives in the system and as well as the sensor failing when it is supposed to be active. Until recently, individual sensor also had to be accompanied by discrete components comprised of resistors and capacitors in order to adjust the sensitivity of each particular sensor.

Capacitive sensing-based light control user interfaces

June 14, 2012 9:37 am | by Pushek Madaan, Cypress | Articles | Comments

Smart lighting control technology is being used in more and more consumer applications to allow control of light intensity, hue, and saturation. With the number of competing light control systems on the market, the user interface is often the major differiator between systems and determines the success or failure of a consumer product.

Innovations in MCU design enable higher performance and smaller code size

June 8, 2012 9:26 am | by Stevan Dobrasevic, Product Manager, Renesas Electronics America | Articles | Comments

Evolving user expectations are placing increasingly high cost and performance pressures on industrial manufacturers. Real-time performance has always been an important aspect of industrial designs, and increasingly, industrial designs are using sensors to monitor real-world signals such as temperature, pressure, flow, sound, and position.

RF design is easy – Just let someone else do it

June 4, 2012 6:36 pm | by Andy Ross, Director of wireless applications for B&B Electronics, www.bb-elec.com | Articles | Comments

If you’re not designing Wi-Fi (802.11) into your systems already, you’ll be doing so very soon. Wi-Fi is rapidly establishing itself as the standard wireless connection for industrial devices. It’s a big change, but it needn’t be intimidating. There are plenty of vendors out there who have all of the necessary expertise.

Where will your design live?

May 31, 2012 3:14 pm | by Ron Moore, Director, Field Technical Programs, Avnet Electronics Marketing Americas | Articles | Comments

Industrial applications cover a broad range of solution types. Depending on whom you ask, the industrial market segment can include military, scientific and commercial solutions. Though these segments run across a broad spectrum, there are some common themes that a design team must confront regardless of which area their particular application is focused on.

Dawn of neutral white LEDs in street lighting

April 20, 2012 10:29 am | by Andreas Pohl, Field Application Engineer Solid-State Lighting, Avago Technologies Germany | Articles | Comments

LED-based streetlights first appeared on streets about four years ago, mainly as design concepts or test lamps at universities. Yellow phosphor was one of the only available and stable phosphor at that time with the ability to create white light in conjunction with a blue chip.

Renewable energy and smart grids rely on optical electronics technology

April 18, 2012 10:02 am | by Chun Keong Tee, Avago | Articles | Comments

Renewable power generation technologies based on solar and wind are usually discussed in terms of photovoltaic arrays and very large land- and sea-based turbines. Behind these very visible physical structures that can encompass many acres sit the optoelectronic components that provide the galvanic isolation...

Barrier films in e-readers: Their form and function

April 13, 2012 10:27 am | by Eric Barker, Application Development Engineer with FLEXcon’s Flexible Electronics Division | Articles | Comments

There is no question that among the most popular and more affordable hand-held electronic devices to hit the market in recent years are e-readers based on e-paper. They go by various names and several brands (Nook, Kindle, Sony, etc) but they all function in the same manner.

Robust hardware security devices made possible by laser direct structuring

April 12, 2012 9:57 am | by James Liddle, SelectConnect Technologies, Palatine, Illinois | Articles | Comments

A wide range of devices are designed to handle, convey and store sensitive information that require  varying degrees of security from protecting low level administrative to classified and top secret information. In addition, the information and data can reside in an equally wide range of locations and environments...

Does the battery fuel gauge lie?

April 5, 2012 5:53 am | by Isidor Buchmann, CEO & founder of Cadex Electronics Inc. www.BatteryUniversity.com; answers@cadex.com | Articles | Comments

Measuring stored energy in an electrochemical device, such as a battery, is complex and state-of-charge (SoC) readings on a fuel gauge provide only a rough estimate.Users often compare battery SoC with the fuel gauge of a vehicle.

RC analog-to-digital converters simplify design of temperature, humidity, & CO instrumentation

March 22, 2012 8:27 am | by Alec Melnick, Sr. Applications Engineer, Lapis Semiconductor | Articles | Comments

Temperature, humidity and other physical measurements in digital instrumentation typically utilize successive approximation (SA) analog-to-digital conversion (ADC) techniques to acquire data.

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