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Aerospace

UAV Airframes and Missions Drive Embedded Computing Choices

Every branch of the armed forces has a need for capabilities delivered from unmanned aerial vehicle/ unmanned aerial system (UAV/UAS) platforms. These unmanned vehicles have proved...

Articles

Aerospace

Integrating Formal Methods into Software Toolsets for Avionics Certification

Current practice in certification of avionics systems (e.g. DO-178B¹) is centered on testing. The testing process has been prescribed to incorporate a...

Tech Transfer Reports

Projection System and Nanomaterials Create New Driving Aids

Drivers with poor eyesight may soon have technology in automobiles that will help them see a road’s edges or possible hazards more clearly, and shop owners may be able to display...

Tech Transfer Reports

Cryogenic Technology Improves Infrared Imaging

Night-vision goggles, building security access devices, and law-enforcement reconnaissance systems could become smaller and lighter thanks to a cryogenic technology for infrared imaging. To reduce the size and weight of infrared imaging components, Virtual Aero-Surface Technologies (VAST, Atlanta,...

Articles

RF & Microwave Electronics

Microwave Energy Transmission for Aircraft

Unmanned aerial vehicles, or UAVs, are used in many applications to gather intelligence without risking human lives. These aircraft, however, have limited flight time because of their reconnaissance...

Products

RF & Microwave Electronics

Frequency Synthesizer

Phase Matrix (San Jose, CA) offers the 20 GHz QuickSynTM microwave synthesizer that covers the 0.5- to 20-GHz frequency range (extendable down to 0.2 GHz) with 0.001-Hz resolution. The product provides major modulation...

Products

RF & Microwave Electronics

Optical Wire and Grids

Dontech (Doylestown, PA) offers optical fine wire (OFW) and micro EMI-mesh (MEM100) conductive optical grids that provide EMI/RFI shielding of electronic displays, instrumentation, and enclosures. The OFW mesh is...

Products

RF & Microwave Electronics

RF Module

RF Monolithics (Dallas, TX) has introduced the XDM2510H, an RF module built on the Dust Networks® IA-510(H)™ WirelessHART® system. The module provides a UART serial port for connection to sensors and an RF connector for antenna...

Products

RF & Microwave Electronics

Power Amplifier

The Model KMS2010 solid-state power amplifier module from AR Modular RF (Bothell, WA) covers the 1.75 to 1.85 GHz frequency range with 150 Watts of power, and is suitable for the wireless broadband network. This 52-dBm linear...

Products

RF & Microwave Electronics

Reference Oscillator

Crystek (Fort Myers, FL) has introduced the RF Pocket Reference Oscillator (RFPRO Series), a frequency control product that integrates a complete True SineWave SAW (surface acoustic wave) oscillator in a rugged SMA...

Products

RF & Microwave Electronics

Power Supply Capacitors

Spectrum Advanced Specialty Products (Fairview, PA) offers Switch Mode Power (SMP) Supply capacitors with MIL-PRF-49470

approval for military QPL offerings. Designed to withstand temperatures ranging from -55...

Products

RF & Microwave Electronics

Gain Antennas

The OM series of gain antennas from Antenna Factor (Merlin, OR) is designed to increase the range and reliability of wireless links, while maintaining omnidirectional pattern around the circumference of the antenna. The...

Products

RF & Microwave Electronics

Amplifier Filter Design Software

Texas Instruments (Dallas, TX) has introduced the FilterProTM v3.0 design tool with an improved user interface and a more accurate and robust filter design engine. It can adjust passive element tolerances and...

Products

RF & Microwave Electronics

Wireless RF Remote Controller

Southco® (Concordville, PA) offers the EA-R01 wireless RF remote controller that controls access to multiple locked compartments from distances up to 100 feet. It features a waterproof potted construction and...

Products

RF & Microwave Electronics

Adaptor Bracket

Times Microwave Systems (Wallingford, CT) offers the LP-BFDN-CW bulkhead-to-flange universal mounting and grounding adaptor bracket for its Times-Protect™ line of RF lightning and surge protection products. The adaptor is...

Briefs

Physical Sciences

Outdoor Synthetic Aperture Acoustic Ground Target Measurements

A novel outdoor synthetic aperture acoustic (SAA) system consists of a microphone and loudspeaker traveling along a 6.3-meter rail system. This is an extension of a prior indoor...

Briefs

Physical Sciences

Portable, Rapid-Test Fuel Tank Leak Detection System

In 1988, the EPA issued Underground Storage Tank (UST) regulations for fuel storage in order to implement monthly monitoring and annual tightness testing. Monthly monitoring requires that...

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...

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...

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...

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...

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...

Briefs

Physical Sciences

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...

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...

Products

Key-Locking Studs

Acme Industrial Co., a division of Jergens (Carpentersville, IL), has introduced a line of key-locked fasteners for aerospace, military, and electronics use with a one-piece design to provide high pull-out strength and...

Products

Pressure Transmitters

American Sensor Technologies (Mt. Olive, NJ) offers the AST2000 and AST20HA pressure transmitters for military and aerospace applications such as trucks, unmanned vehicles, transmissions, hydraulic pumps, fuel...

Products

Linear Position Sensors

The HSTAR 750 Series hermetically sealed position sensors from Macro Sensors (Pennsauken, NJ) are high-temperature, rugged LVDT sensors for use in military and defense applications such as fuel/oil level monitoring,...

Products

Retaining Rings

Rotor Clip (Somerset, NJ) provides manufacturing and processing of retaining rings to military specifications under Cage Code 07382. Stainless steel parts for military applications are made from PH15-7 stainless material. MS parts made from high carbon spring steel are also available. Finishes include cadmium, zinc dichromate,...

Products

Rugged Notebook Computer

GammaTech Computer Corp. (Fremont, CA) offers the D14RM rugged notebook tested using the military 810G specification for protection against drop, shock, spill, and dust. It is protected by a magnesium alloy case....

Products

Laser Glass

SCHOTT North America (Arlington, VA) offers LG-910 eye-safe laser glass products for operation at 1.5 μm, including rods, slabs, and discs with high-laser-damage-threshold dielectric coatings. Applications include ranging and targeting on handheld, ground, fixed-wing, and rotary platforms. The glass is an erbium-ytterbium-chromium...

Products

Silicone Adhesive

NuSil Technology (Carpenteria, CA) has introduced SCV-2586 Ultra Low Outgassing™ silicone adhesive for applications requiring thermal stability and a broad operating temperature range in aerospace, aircraft, and...

Products

Radionuclide Detection System

The ORTEC Products Group of AMETEK Advanced Measurement Technology (Oak Ridge, TN) has introduced the ORTEC Detective Mobile, a mobile radionuclide search system that incorporates high-purity germanium detectors...

Products

Surfacing Film

Park Electrochemical Corp. (Melville, NY) offers Aeroglide™ surfacing film for aircraft composite parts fabrication. The film is designed to improve the surface finish of aircraft composite parts, and reduce or eliminate secondary surface finishing operations prior to painting. The film is compatible with most epoxy prepregs,...

Products

Disconnect Switch

The SureStart™ Low-Voltage Disconnect (LVD) Switch 48513 from Cole Hersee (South Boston, MA) electronically senses battery voltage and conserves starting power by disconnecting non-critical loads, prolonging battery life...

Products

Backplane Connector

Tyco Electronics (Harrisburg, PA) offers the FORTIS ZD high-speed backplane connector for military and aerospace applications that require shock and vibration protection. The connector combines a high-speed contact...

Products

AC-to-DC Converter

C Systems (Setauket, NY) offers the BC-751, an 800W AC-to-DC converter with eight outputs to provide power for solid-state RF amplifiers in airborne Identification Friend or Foe (IFF) applications. The converter accepts a...

Products

Absorptive Polarizers

Moxtek (Orem, UT) offers absorptive wire-grid polarizers for the blue, green, and red channels. The polarizers are designed for narrow-band applications and where back reflection is a concern. They are designed to transmit the p-polarization and absorb the s-polarization of incident light, rather than reflecting the...

Products

Rugged Power Converter

Schaefer (Ashland, MA) offers a rugged power converter designed for subsea mineral exploration or other deep-sea application. The design features industrial-grade components and provides up to 110W of power with an...

Products

Toolholders

REGO-FIX® (Indianapolis, IN) has introduced Xtended Length (XL) toolholders for aerospace applications. The toolholders provide an extended reach up to 14" and are available in the ER and powRgrip® lines. The toolholder line...