Briefs: Information Technology
Ballistic Filter for GPS and Accelerometer Measurements

Ballistic filtering describes the dynamic equations that can be used to form Extended Kalman Filters (EKF) for the estimation of a projectile’s trajectory. The steps associated with initialization and implementing an EKF are demonstrated through a specific task. The performance of an EKF...

Briefs: Electronics & Computers
Procedure to Determine and Correct for Transmission Line Resistances for Direct-Current, On-Wafer Measurements

Resistances of tenths of ohms to several ohms in transmission lines have been measured in laboratory systems from the power supply to the device under test (DUT). High-current semiconductor devices may draw currents of several amps. In...

Briefs: Electronics & Computers
Channel Field Effect Transistors

Narrow bandgap semiconductors offer high carrier mobilities and low contact resistances, while wide bandgap semiconductors offer high breakdown voltages. A series of heterojunction transistors has been investigated and proved to be effective for improving both speed and power output. These devices include double...

Briefs: Electronics & Computers
Self-Aware Computing

This project performed an initial exploration of a new concept for computer system design called Self-Aware Computing. A self-aware computer leverages a variety of hardware and software techniques to automatically adapt and optimize its behavior according to a set of high-level goals and its current environment. The heart of...

Briefs: Photonics/Optics
Computational Photonics in Laser Communications Through Clouds

This work explored the concept of creating a partially coherent laser beam consisting of an array of spatially overlapping or separated Gaussian beams with possible individual control of each individual emitter’s wavelength. The idea was to test whether such a transmitter array...

Briefs: Materials
Fire Resistance of Geopolymer Concretes

Geopolymer concrete has been proposed as an alternative to Portland cement concrete in applications requiring high degrees of fire resistance, because the intrinsic chemistry of the geopolymer binder does not require the retention of water or hydration within gel phases to maintain structural integrity of...

Briefs: Materials
Tomographic Electrical Resistance-Based Damage Sensing in Nano-Engineered Composite Structures

Advanced composite materials are increasingly replacing metals in the aerospace industry as they offer weight-saving improvements such as high specific strength and stiffness, while providing resistance to fatigue and corrosion. Traditional advanced...

Briefs: Photonics/Optics
Uncooled Tunable LWIR Microbolometers

Uncooled infrared detectors have significant potential capabilities that have been little explored. Micro-machined uncooled detectors with tunable spectral characteristics across the long-wave infrared (LWIR, λ~8-12 μm) have been developed. In the middle wavelength infrared (MWIR) and LWIR regions, the...

Briefs: Physical Sciences
Fluid Helmet Liner for Protection Against Blast-Induced Traumatic Brain Injury

An Advanced Combat Helmet liner design uses the novel idea of including filler materials inside channels in the liner. An energy-absorbing foam was selected for the main liner structure, and several filler material candidates of widely varying properties are being...

Briefs: Physical Sciences
Performance of Steel Stud Walls Subjected to Blast Loads

Construction trends have brought about an increase in the use of cold-formed steel studs in Air Force facilities. These steel stud walls have significant potential for mitigating large blast events. The current state of steel stud research, however, has not addressed all the variables that...

Products: Electronics & Computers
12-Volt System with Mini-ITX Motherboard

ITOX (East Brunswick, NJ) has partnered with Systium® Technologies to introduce the Model 132 “mini” series 12-volt system utilizing the ITOX NP101-D16C Mini-ITX motherboard. The Systium Model...

Products: Electronics & Computers
DB9 Adapter

Sealevel (Liberty, SC) has developed a compact, rugged DB9F-to-5 screw terminal block adapter that allows users to connect their field wiring to DB9 connectors on USB Serial adapters, Ethernet Serial servers, and other Sealevel...

Products: Electronics & Computers
Embedded Virtualization Manager

TenAsys® Corporation (Beaverton, OR) is now shipping eVMTM for Windows®, an embedded virtualization manager software product that enables different real-time operating systems (RTOSes) to run alongside...

Products: Electronics & Computers
Rugged Waterproof Computer

SmallPC.com (Burlington, Ontario, Canada) has released its latest waterproof computer. The SC240ML is designed and tested for reliable operation in the most extreme wet, dirty, and dusty environments, hot or cold....

Products: Electronics & Computers
Ternary Content Addressable Memory

Renesas Technology America (San Jose, CA) now offers the TCAM (Ternary Content Addressable Memory) Series of memory products to enable high-speed packet processing for networking equipment such as routers...

Products: Electronics & Computers
LPDDR2 Compliance and Protocol Test Tools

Agilent Technologies Inc. (Santa Clara, CA) has introduced a new comprehensive low-power double data rate 2 (LPDDR2) compliance and protocol test application package and industry-first LPDDR2...

Products: Electronics & Computers
Single-Chip OTN Platform

Zarlink Semiconductor (Ottawa, Canada) has introduced ClockCenter, a platform for high-speed optical transport network (OTN) and communications equipment. ClockCenter synchronous products synchronize “any rate, any...

Articles: Electronics & Computers
Programming Network Processors Made Simple

The telecommunications industry’s continuous strive for higher performance has spurred innovations in processor architectures. The general trend has been to go parallel; adding more cores to a single processor device and then dividing tasks between them. This has resulted in a more complex environment...

Articles: Electronics & Computers
Designing Solid State Drives Into ATCA-based Platforms

Due to the growth of video on demand (VoD), IPTV media content, and embedded database applications, AdvancedTCA (ATCA)-based storage capacity requirements continue to increase exponentially. In addition, storage requirements have become more complex and varied for ATCA designs that have...

Articles: Electronics & Computers
Achieving Embedded Software Safety with Agility

Safety-critical development standards, such as DO-1781, have been very successful in guiding the production of reliable software. These standards assist developers in applying good software practices during development, ensuring, as much as possible, the absence of errors. Compliance...

Application Briefs: Electronics & Computers
Optimizing the Interoperability of Military Satellite Communications

Satellite communications offer mobility and communications for military operations in remote locations where terrestrial-based connectivity is not available, or is too expensive. Unfortunately, satellite connectivity brings many challenges that can impair network performance in...

Products: RF & Microwave Electronics
Vehicle-Mounted Amplifier

AR Modular RF (Bothell, WA) has released the AR-75 75W auto-tuning, multi-band, vehicle-mounted tactical booster amplifier that enables troops to maintain constant communications in harsh environments. It boosts...

RFM Catchall: RF & Microwave Electronics
Power Amplifier Module

Mimix Broadband (Houston, TX) offers the XP1044-QL 3W power amplifier module housed in a 7 × 7 mm package. The linear 2-stage amplifier delivers 18.5 dB of gain and 34 dBm of power at 1 dB compression point. The input and output of the device are internally pre-matched. The device is designed for WiMAX applications...

Products: RF & Microwave Electronics
Monopole Antenna

Pulse, a Technitrol Co. (San Diego, CA) has announced a set of monopole antennas that deliver Zigbee 2.4 GHz and ISM bands 868 MHz, 915 MHz, and 2.4 GHz. The antennas are alternatives to using trace antennas since they...

RFM Catchall: RF & Microwave Electronics
RF Front-End Modules

RF Micro Devices (Greensboro, NC) offers the RF7177 and RF7178 RF front-end modules. The RF7178 module integrates a quad-band, class 12-compliant GSM/GPRS power amplifier; a pHEMT antenna switch; and receive SAW filters....

Products: RF & Microwave Electronics
RFID Controller

Pepperl+Fuchs (Twinsburg, OH) has introduced IDENTControl Compact one- and two-head RFID Ethernet controllers that feature two onboard Ethernet connectors with a built-in switch. This allows for multiple Ethernet topologies...

RFM Catchall: RF & Microwave Electronics
Vector Signal Generators and Analyzers

National Instruments (Austin, TX) offers the NI PXIe-5663E 6.6-GHz, 2-, 3-, and 4-channel RF vector signal analyzers (VSA) and NI PXIe-5673E 6.6-GHz, 2-, 3-, and 4-channel RF vector signal generators...

Products: RF & Microwave Electronics
RF Power Amplifier

BC Systems (Setauket, NY) has introduced the DA Module, an RF power amplifier for defense applications. The amplifier combines power supply/RF power amplifier integration, a frequency range of 25 to 1,000 MHz, and RF...

Products: RF & Microwave Electronics
Power Amplifier

Hittite Microwave Corp. (Chelmsford, MA) offers the HMC-C074 and HMC-C075 connectorized power amplifiers for military and test instrumentation applications from 10 MHz to 6 GHz. The modules are specified for operation between...

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