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Two Current Sense Amps Solve Single Amp Limitations

July 23, 2009 7:51 am | by Greg Zimmer, Linear Technology Corporation | Articles | Comments

Each new generation of automotive and industrial designs have been faced with an increasing demand for precision control and diagnostic capabilities, as well as for reliability and safety features. Achieving these new features often requires precision current sensing, and as result, the demand for precision high-side current sense amplifiers has steadily increased in recent years. The applications for high-side current sense amplifiers


Ford Posts Profit After Restructuring, Shares Jump

July 23, 2009 7:20 am | by David Bailey and Soyoung Kim | News | Comments

Ford Motor Co posted a $2.3 billion quarterly net profit, mainly due to debt restructuring, and said it was on track to at least break even in 2011, sending its shares up more than 9 percent. Ford posted an operating loss for the quarter that was better than analysts expected, excluding a net gain of $2.8 billion from one-time items that included the debt reduction actions, despite reeling global markets that helped push U.S. rivals General Motors and Chrysler into bankruptcy.

Data Acquisition Bridges the Analog and Digital Worlds

July 23, 2009 7:19 am | by Doug Trujillo, BSEE Colorado State University | Articles | Comments

In our solid state society today, daily advances in technology have set the standard in many applications to that of excellence when compared to only a few years ago. This new standard of living has benefited today’s consumer in many ways that were only dreamt of years ago. Whether it is driver assistance controls that provide increased safety and convenience for your drive to work


Maximizing Eight-Channel Data-Acquisition System Performance Using a Single ADC Driver

July 23, 2009 6:59 am | by Jakub Szymczak [], Analog Devices, Inc. | Articles | Comments

The principal factors that affect data acquisition systems are: speed, accuracy, power dissipation, package size, and component cost, with varying factors becoming critical depending upon the application. This article shows how a single op amp can be used to drive the analog-to-digital converter (ADC) in an 8-channel data-acquisition system, reducing the cost and size of the overall system.


Where do we go from here?

July 23, 2009 6:46 am | by Alix Paultre, Editor-in-Chief | Articles | Comments

America finds itself at a juncture of many roads, with no clear map on which way to turn. The role of government, health care, energy, race, and disruptive technology have presented us with a myriad of choice on which road to take to the future. The important thing to remember is that we are all in the same boat together.


Video game group files lawsuit over CTA ad rule

July 23, 2009 5:09 am | by MIKE ROBINSON, AP Legal Affairs Writer | News | Comments

A trade group that represents software and video game publishers sued the Chicago Transit Authority on Wednesday, saying a rule barring ads on trains and buses for "mature" and "adults only" games violates the right to freedom of speech. "The CTA's ordinance constitutes a clear violation of the constitutional rights of the entertainment software industry," said Michael D. Gallagher, chief executive officer of the Washington-based Entertainment Software Association.

Microsoft says Windows 7 is ready for PC companies

July 23, 2009 5:05 am | by JESSICA MINTZ, AP Technology Writer | News | Comments

Microsoft Corp. says Windows 7 is complete. The software maker sent the final code for its next computer operating system to manufacturers Wednesday, and said it's still on track for an Oct. 22 launch. Mike Angiulo, a general manager in the Windows group, said in an interview that getting up and running on a Windows computer will be "a lot smoother" than it was when Windows Vista launched in 2007.

Astronauts cut spacewalk short due to suit trouble

July 23, 2009 5:00 am | News | Comments

Two astronauts cut short their spacewalk and hurried back to the safety of the international space station on Wednesday after a suit problem resulted in rising carbon dioxide levels for one of the men. NASA officials stressed that spacewalker Christopher Cassidy was never in any danger and experienced no symptoms of carbon dioxide buildup. The trouble cropped up late in Wednesday's spacewalk, the third for shuttle Endeavour's crew.


Micro ATX Motherboard Includes PCI, PCIe and ISA Slots

July 23, 2009 4:51 am | Product Releases | Comments

Well-suited as a platform for high-performance systems, the 244mm2 P4ELA Micro ATX quad-core industrial motherboard from BVM offers 1 x ISA, 2 x PCI Slots, 1 x mini-PCI socket, 1 x PCI-e 16X and 1 x PCI-e 4X. In addition, 8 x USB2.0 ports, 5 x RS232, 1 x RS232/422/485 port and 2 x GigaLAN ports are provided, as are 6 x SATA interfaces supporting RAID and Intel MST.

QCW Arrays Include Stack Divergence as Low as 6 mrad

July 22, 2009 11:01 am | Product Releases | Comments

Available in wavelengths ranging from 808 nm to 9xx nm, QCW vertical diode laser stacked arrays from Dilas offer fast-axis stack divergence as low as 6mrad. Power ranges up to 300 W QCW per bar with optional fast-axis collimation. The conduction-cooled vertical stacks are available in one-bar, seven-bar, or eight-bar configurations with up to 4 percent duty cycle at 200 W per bar.

Boost Converter Delivers 42 V from a 0.9-V Input

July 22, 2009 10:39 am | Product Releases | Comments

Operating from a single 0.9 V to 3.6 V supply, the AS1344 high voltage DC-DC boost converter from austriamicrosystems provides adjustable output voltages in the range of 5.5 V to 42 V. The boost converter features a 1 MHz fixed switching frequency and supply current of 22 µA. The AS1344 offers 2% output voltage

Brushless DC Motors Offer up to 1700 W

July 22, 2009 10:33 am | Product Releases | Comments

Designed for commercial and light-industrial OEM applications, the Pittman ‘I Series’ brushless DC servo motors from Ametek offer performance capability from 40 W to 1700 W continuous. The winding system allows for operation on machine bus voltages from 12 VDC to 325 VDC.

Interface Modules Accept Hands-On or Remote Programming

July 22, 2009 9:32 am | Product Releases | Comments

Simplifying device set-up and installation time, TURCK’s interface module family takes programming input via a PC or on-board push buttons using FDT/DTM software, along with PACTware. The devices can monitor motor speed, shaft speed and conveyors, as well as the temperature of RTDs and thermocouples.


PXI Digital I/O Modules Accept Dual-Threshold Voltage Inputs

July 22, 2009 8:11 am | Product Releases | Comments

Addressing military, aerospace and automotive function test, has dual-threshold voltage inputs from 0.3 V to 50.0 V with nominally 12.5-mV resolution. The 40-413-001 has 32 high-side 2-A output drivers, the 40-413-002 has 32 low-side 2-A drivers, and the 40-413-003 includes both high- and low-side drivers.

Report: Shortage of cyber experts may hinder govt

July 22, 2009 7:25 am | by LOLITA C. BALDOR, AP writer | News | Comments

Federal agencies are facing a severe shortage of computer specialists, even as a growing wave of coordinated cyberattacks against the government poses potential national security risks, a private study found. The study describes a fragmented federal cyber force, where no one is in charge of overall planning and government agencies are "on their own and sometimes working at cross purposes or in competition with one another."


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