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Electrostatic Detection System Prevents Injuries and Damage During Spacecraft Assembly

Remote Voltage Sensor Quasar Federal Systems San Diego, CA 858-228-3386 www.quasarusa.com Electrostatic charges impact the safety of both workers and spacecraft, and have been recognized as one of the main problems at the NASA spacecraft assembly facilities. Prevention currently depends on time-consuming, handheld electric-field devices scanning each individual worker’s clothing. Quasar Federal Systems has developed a new electrostatic detection system with support from NASA and the University of California Berkeley’s Space Science Laboratory.

Posted in: Application Briefs

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CAD Tools: Usability versus Capabilities

CAD software has come a long way in terms of ease of use, interoperability, speed, and capabilities. But there is still a long way to go. We spoke to executives at leading CAD software companies to find out what’s most important to their users, and what the next revolution in CAD software will be.

Posted in: Articles

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Designing Configurable Air Transport Racks

High-powered embedded computing equipment utilizing the Air Transport Rack (ATR) form factor is playing an ever-larger role in extreme, mission-critical applications in air, land, and sea environments. This compact, rugged, and light form factor has been around for nearly 70 years. Its small size meets the tight space constraints of the current generation of military grade equipment, and its flexibility, coupled with the proliferation of commercial off-the-shelf (COTS) components, allows ATR-based systems to meet cost and upgradeability goals for both legacy and emerging systems.

Posted in: Articles

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Z-RAM

The New SOI-Based Memory Technology In the electronics industry today there are two commonly used high-speed memory types: static RAM (SRAM) and dynamic RAM (DRAM). Traditionally, SRAM embedded memory has been the designer’s choice for fast memory, but since a typical SRAM bitcell is comprised of six transistors, that benefit comes at the expense of cost and silicon area. Embedded DRAM (eDRAM), whose smaller bitcell is comprised of a single transistor and single capacitor, offers a much lower cost option, but has higher latency and is typically used further from the processor. While DRAM is fundamental to electronic systems, it does have its limit — namely, its inability to scale to accommodate the migration to smaller, and therefore more advanced, process geometries. This limitation is further complicated by the fact that new application areas for memory are fast appearing, fueled by the popularity of digital home appliances and next-generation mobile devices, the digital convergence of electronic goods and telecommunications, and ever evolving media content.

Posted in: Articles

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Internet Instrumentation



Posted in: Blog

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NASA Briefs

The John H. Glenn Research Center introduces the Portable Unit for Metabolic Analysis (PUMA), an instrument that measures quantities indicative of human metabolic function. The PUMA makes time-resolved measurements of temperature, pressure, flow, and the partial pressures of oxygen and carbon dioxide in breath during inhalation and exhalation. Click here for more info.

Posted in: Blog

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Perilous Paunch



Posted in: Blog

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