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Laser-Based System for Measuring and Analyzing Vibrations

A system for noncontact measurement and analysis of vibrations of an electronic circuit board or a similar lightweight, nominally flat, rectangular object has been developed. This system, which utilizes laser displacement sensors, offers an important advantage over a traditional vibration- measurement system that utilizes accelerometers mounted on the vibrating object under test: Accelerometers are not suitable for vibration testing of a lightweight object because they contribute mass to the object and thereby alter the dynamic behavior of the object and thereby, further, give rise to errors in vibration-test data. In contrast, the laser displacement sensors in the present noncontact system do not contribute mass and do not significantly alter the dynamics.

Posted in: Briefs, Electronics & Computers
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Effects of High-Power Microwave Pulses on Electronic Systems

A five-year program comprising several coordinated research efforts was devoted to increasing understanding and developing capabilities for computational modeling of the effects of highpower microwave (HPM) radiation upon electronic circuits and upon systems that comprise or include electronic circuits. The HPM radiation of primary interest in this program included both narrow-band and ultra- wide-band (UWB) pulsed radiation. Whether aimed at electronic equipment deliberately or inadvertently, either type of radiation can, potentially, cause damage and/or adversely affect operation. The knowledge gained from this program can help in designing future electronic circuits and systems to be less vulnerable to damage and disruption by incident HPM/UWB radiation.

Posted in: Briefs, Electronics & Computers
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Near-Field Light Lenses for Nano-Focusing of Beams of Atoms

Near-field light lenses for focusing beams of light and beams of atoms to spots having a width of no more than several nanometers are undergoing development. There are numerous potential applications for such lenses:

•A capability to focus beams of light to nanometer-sized spots is essential for development of proposed nanoscale optical devices (e.g., optical switches and logic gates) based on near-field optical interactions.

•A capability to focus beams of atoms to nanometer-sized spots could contribute to the development of nanophotonic devices, including quantum dots, which must be sized and positioned with precision.

Posted in: Briefs, Photonics, Glass, Nanotechnology, Refractory materials
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Developments in Adaptive Filtering and System Identification

Progress has been made on several fronts in a continuing program of research oriented toward the development of real-time algorithms, and computer and control systems that utilize the algorithms, for adaptive filtering, prediction, and system identification with improved efficiency and numerical stability in applications that involve large numbers of channels and high filter orders. Potential applications include adaptive optics, optical communications, target tracking, image processing, blind identification and deconvolution in wireless communications, and active control of noise and vibration.

Posted in: Briefs, Photonics
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Multimedia Host Processor

Renesas Technology America, Inc., (San Jose, CA) has released the SH-MobileR2 application processor for portable multimedia systems. The device enables the design of portable and mobile devices with multimedia capabilities that are suitable for personal navigation devices, portable media players, and video and voice over IP (V2IP) terminals.

Posted in: Products, Products, Electronics & Computers
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FPGA Processing Engine

The FPE650 from VMETRO (Houston, TX) is a FPGA processing engine with support for the new FPGA Mezzanine Card (FMC/VITA 57) standard. The FPE650 integrates four Xilinx Virtex-5 FPGAs with two FMC I/O sites and VPX high-speed serial backplane connectivity, allowing I/O and processing capabilities in a single 6U slot. The FPE650, available in air-cooled and conduction-cooled rugged versions, tackles demanding digital signal processing applications such as electronic counter measures (ECM), signal intelligence (SIGINT), and electro-optics (EO).

Posted in: Products, Products, Board-Level Electronics, Electronics & Computers
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Graphics-Class System Host Board

The TQ9 graphics-class system host board (SHB) from Trenton Technology (Atlanta, GA) is the latest addition to the PICMG® 1.3 product line. The TQ9, coupled with a PICMG 1.3 industry standard backplane, can support multiple system designs that use the latest PCI Express™, PCI-X, and PCI option cards. A TQ9 and a Trenton BPG6544 backplane support PCI Express, PCI-X, PCI, and legacy ISA option cards.

Posted in: Products, Products, Electronics & Computers
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Microcontroller Evaluation Kit

The Stellaris® LM3S3768 Evaluation Board (EVB) from Luminary Micro (Austin, TX) is a compact and versatile evaluation platform for the Stellaris LM3S3768 ARM® Cortex™-M3-based microcontroller. The Stellaris® USB controller provides full On-The-Go (OTG) negotiation and support for connection to non-OTG peripherals or host controllers.

Posted in: Products, Products, Electronics & Computers
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Power Supplies

Xantrex Technology Inc. (Vancouver, Canada) has launched the 222W linear XBT programmable power supply for laboratory and low power automated test equipment (ATE) applications. The new XBT Series provides higher power with two 32V, 3A outputs, plus one 15V/5A/30W output, offering much more flexibility than typically found with most bench top supplies.

Posted in: Products, Products, Electronics & Computers
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Virtual Machine Manager

TenAsys Corp. (Beaverton, OR) has released the eVM™ virtual machine manager for real-time, missioncritical systems. The eVM platform simultaneously hosts embedded and real-time operating systems (RTOS) along with the Microsoft® Windows® general-purpose operating system (GPOS) on a single hardware platform using multi-core Intel® processors. eVM software partitions hardware resources and provides standard communications channels between the embedded RTOS guest and Windows, while isolating the two environments so that real-time de - terminism and the OS desktop experience are fully maintained.

The eVM virtualization system lets multiple operating systems share a single hardware platform without conflict, by partitioning hardware resources, such as CPU cores, I/O, RAM, and interrupts. By combining their existing embedded applications with Windows, on a single Intel processor-based computer, system OEMs can achieve significant manufacturing cost savings and redeploy existing real-time and embedded IA based applications without costly porting expense. eVM technology is based on TenAsys' real-time virtualization expertise, which enables Windows to run with 100% native performance.

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Posted in: Products, Products, Electronics & Computers
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