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Test and Screening

This section is devoted to covering trends in ruggedized test and security screening. Articles here focus on EMI/RFI, shock and vibration testing and mitigation, cooling, HALT/HASS and a host of other hardware and software test-related technologies. This is an Archive section that is currently published under 'System Development'.

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Designing for EMI/RFI

Key Design Techniques Reduce EMI/RFI Effects in Military Applications

The effects of electromagnetic interference (EMI) and radio frequency interference (RFI) are particularly troublesome when designing printed circuit board (PCB) assemblies forRead More...

Past Articles

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Designing for EMI/RFI

Designing EMI/EMC Compliance into Military Systems

Electromagnetic interference compliance, or lack of it, can literally be a life or death matter when it comes to military embedded computing equipment. Ensuring that a military AirRead More...

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Multi-Core Processors

Emerging Tiled Processor Trend Rivals SMP Approaches

There’s a time of transition afoot in the microprocessor world: the road maps of the leading processors show that all roads lead to architectures sporting multiple CPU cores on theRead More...

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Multi-Core Processors

Cell Technology Enables New Defense Applications

It’s rare for technology targeted so specifically for consumer demands to find itself serving the needs of military applications. But the Cell Broadband Engine (BE) processorRead More...

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Multi-Core Processors

Multi-CPU System-on-Chip Advances Solve Obsolescence Woes

Through its exploitation of COTS technology, the DoD has achieved tremendous increase in price performance, reduced development costs and has benefited greatly from broad availabilityRead More...

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Simulation

Model-Based Approach Smooths Vibration Control System Development

To maintain safety in hostile environments, military jet aircraft today must fly at higher altitudes and at longer ranges than in the past decades, creating vibration and stresses thatRead More...

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Simulation

HALT and HASS Testing: Learning to Handle the Big Guns

Since they were first introduced in the early 1980s, Highly Accelerated Life Testing (HALT) and Highly Accelerated Stress Screening (HASS) have been successfully adopted for a host ofRead More...

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Designing for Radiation Tolerance

Rad-Hard Chips Fly High

The Bush Administration’s mandate for a return to space exploration is producing a new demand for high-performance, space-ready electronics. NASA’s space programs aimed at MarsRead More...

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Designing for Radiation Tolerance

The Effects of a Radiation Environment on Power Devices

Selecting power semiconductor devices for use in systems that will be exposed to ionizing radiation, such as those used in military and space applications, is a difficult task becauseRead More...

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Designing for Radiation Tolerance

Space Satellite Designs Need Flexible, Rad-Hard ICs

Systems that are exposed to the harsh environments in space must be able to withstand those extreme conditions and operate correctly without any loss of functionality. Even smallRead More...

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Cooling Update and Trends

Thermal Issues Pose Challenges for Deployed Systems

In today’s harsh military environments, thermal design has become a critical development criterion for rugged tactical systems. Designers of deployed, rugged military embeddedRead More...

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Cooling Update and Trends

New Cooling Schemes Call for Early Design Decisions

When it comes to cooling, the military embedded computing business stands at a crossroads. On the one hand, advances in semiconductor technology are resulting in a demand for moreRead More...

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Cooling Update and Trends

Heat Pipe Architecture Offers Flexible Thermal Control

It has been 40 years since George Grover, a Los Alamos engineer working on space nuclear-power-system cooling, verified his idea of a surface tension-driven heat transport system orRead More...

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Reliability and Latent Defects in ICs

Protecting Military Data in a Flash

It’s a deep attack mission. Fast and low, soldiers in a Black Hawk helicopter are speeding through a hot and humid jungle in an effort to locate and rescue a group of journalists. AtRead More...

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COTS Journal Interviews Chris Marzilli, Senior V.P. and Deputy G.M. General Dynamics C4 Systems

COTS Journal: General Dynamics C4 Systems seems very open-minded about mixing off-the-shelf commercial technology with very leading-edge military products. You do an interesting mix ofRead More...

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Shock and Vibration

Vibration Test Goals: Efficient, Effective and Valid

Commercial industry often uses Design of Experiments (DOE) for development of reliable electronics. DOE applies statistical analysis to develop a product in as few experiments (tests)Read More...

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