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The Role of Pressure Sensors in Medical Devices

October 5, 2009 5:16 am | by Robert Guziak, Sr. Engineering Manager & Lori Appel-- Manager, Marketing Communications, Kavlico | Comments

The current state of healthcare today in the US is one which focuses upon cost containment, while at the same time, providing the advancements of modern technology to an aging population.  Finding effective treatment methods at affordable levels, while at the same time providing patients with high quality care is certainly a tightrope act many healthcare providers walk.

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Successful PCB Design, Engineering, and Production Considerations for Medical Electronic Assemblies

October 5, 2009 5:04 am | by Pratish Patel, President and CEO, Electronic Interconnect | Comments

Medical electronic assemblies have unique requirements that set them apart from other types of electronic devices, such as consumer electronic products. Often, thermal management issues must be anticipated in the design, and assemblers must conform to certain quality standards such as ISO 13485.

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Low-Energy Wireless: Just what the doctor ordered

October 2, 2009 12:40 pm | by Raman Sharma, Freescale Semiconductor | Comments

The medical market, while on the frontier of human sciences, has always been conservative and cautious when it comes to analyzing the market’s technology adoption rate. While the rest of the industrial and consumer markets were immersed in the potential of wireless connectivity, networking and the Internet, the medical market continued to build devices with tried and tested technology.

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Brainstorm: Medical Electronics

October 2, 2009 10:17 am | Comments

What future technologies will reduce healthcare costs?

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Brainstorm: Optoelectronics

October 2, 2009 9:47 am | Comments

In 10 years, which display technology will dominate the TV marketplace?

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Isolated CAN Transceiver Assures Robust Fieldbus Design

October 2, 2009 8:08 am | by Thomas Kugelstadt, Senior Applications Engineer, Texas Instruments | Comments

The controller area network (CAN) bus has gained popularity in applications such as process control, automation, medical, and manufacturing due to high immunity to EMI and its ability to find and repair data errors. Because a CAN bus often runs over long distance interconnecting multiple systems, isolation between the bus and the systems connected to it becomes crucial.

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Storage in Streaming Media: Advanced Solid State Storage SSDs Meet Performance and Reliability Demands

September 29, 2009 12:24 pm | by Gary Drossel, Western Digital | Comments

The rapid adoption of streaming media in embedded applications has been largely driven by decreasing bandwidth costs. In 2005, it cost approximately $.89 per gigabyte (GB) delivered for up to 49,000 GB (47.8 terabytes) of bandwidth.  Today, a major content provider could pay a meager $.05 per GB delivered for 500 terabytes of bandwidth.

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Software Fault Management for Medical Devices

September 29, 2009 12:01 pm | by John Greenland, LDRA Technology | Comments

From hearing aids to Positron Emission Tomography (PET) imaging equipment, medical devices are increasingly impacting (and hopefully improving) our quality of life. Because we now rely on medical devices so heavily and because the devices’ software is so critical to their operation, software fault management and the ability to reduce faults throughout the development lifecycle have become hot-button issues.

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Designing SSDs for write-intensive Embedded System Applications

September 25, 2009 10:53 am | by Gary Drossel, Director of Product Planning, Solid-State Storage Business Unit, Western Digital Technologies | Comments

Write-intensive applications require a mix of controller, storage media, and solid state storage management algorithms to achieve optimal endurance and lifespan, while read-intensive applications just go for the lowest cost per gigabyte. A key design metric for long product lifespan requires an understanding of the concept of write amplification and its crushing affects resulting in SSD failure when overlooked.

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Practical Considerations for Wireless Sensor Networks and Mesh Networking

September 22, 2009 7:25 am | by Robert Jackson, Wireless and Energy Product Manager, National Instruments | Comments

In Crossing the Chasm, Geoffrey A. Moore introduced the Technology Adoption Lifecycle.  This curve highlights a chasm that exists between visionaries who are early adopters of technology and pragmatists who wait for proven technologies and products.  For technologies to “cross the chasm” one key component are products with defined product specifications and system deployment guidelines.

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Data Acquisition Rules of the Road: Selecting High-Speed Differential ADC Drivers Part 2

September 17, 2009 7:38 am | by John Ardizzoni and Jonathan Pearson, Analog Devices | Comments

The input signal is v1; the first five harmonic-distortion products are v2 through v6; and the ADC electronic noise is vn. The reciprocal of THD + Noise, the signal-to-noise-and-distortion ratio, or SINAD, is usually expressed in dB. If SINAD is substituted for the signal-to-quantizing-noise ratio, we can define an effective number of bits that a converter would have if its signal-to-quantizing-noise ratio were the same as its SINAD.

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Data Acquisition Rules of the Road: Selecting High-Speed Differential ADC Drivers

September 15, 2009 6:14 am | by John Ardizzoni and Jonathan Pearson, Analog Devices | Comments

As applications engineers, we are constantly bombarded with a variety of questions about driving high-speed analog-to-digital converters (ADCs) with differential inputs. Indeed, selecting the right ADC driver and configuration can be challenging. To make the design of robust ADC circuits somewhat easier, we’ve compiled a set of common “road hazards” and solutions.

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The Wireless Power Consortium Releases the 0.95 Specification

September 11, 2009 6:05 am | by Camille Tang, Co-Chair, Wireless Power Consortium | Comments

Wireless power interoperability marked an important milestone with the 31 July 2009 release of 0.95 specifications of Qi, the Wireless Power Consortium’s “WPC” international standard in wireless power. This interoperability means that all Qi power receivers can be powered and charged with all Qi transmitters.

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Brushless DC Motors Roll On

September 10, 2009 12:36 pm | by Jon Titus, Senior Technical Editor | Comments

You can find brushless-DC motors in appliances, medical instruments, and industrial equipment because they offer advantages over their brushed-DC-motor siblings. But before you can use a brushless-DC (BLDC) motor you need to understand how it works.

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Design Talk - Industrial and Harsh Environments

September 10, 2009 10:30 am | Comments

Editor's note No matter how good the tech, if it addresses an industrial or other demanding environment application, it better be able to deal with its surroundings without operational compromise.

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