Latest Stories

Articles
Propulsion

Alternative Energy and Propulsion Power for Today's U.S. Military

The U.S. military has the most sophisticated weapons systems in the world, but they are fueled and mechanically powered by old technologies. Given the mission of the U.S....

Tech Transfer Reports

Miniaturized Rad-Hard System Shrinks Propulsion Electronics

Developed by Space Micro (San Diego, CA), a new technology involves the miniaturization and radiation hardening of electronics through a novel means of stacking...

Tech Transfer Reports
Materials

Polymer Coating Material Limits Computer Damage Caused by Vibrations

Cornerstone Research Group (Dayton, OH) has developed an organic, polymer-based material that can be directly applied to any circuit board — as well as other metal- and...

Tech Transfer Reports

Large-Area Hydride Vapor Phase Epitaxy of Gallium Nitride

The Missile Defense Agency (MDA) has awarded Kyma Technologies (Raliegh, NC) numerous Small Business Innovation Research (SBIR) contracts in the area of bulk growth of gallium nitride...

Briefs
Physical Sciences

Through-the-Wall Small Weapon Detection Based on Polarimetric Radar Techniques

Detecting concealed small weapons carried by people has received significant interest from law enforcement agencies as well as the military, most frequently for...

Briefs
Mechanical & Fluid Systems

Designing a Sensorless Torque Estimator for Direct Torque Control of an Induction Motor

Induction motors often are the preferred choice among industrial motors due to the modern power electronics that improve their speed control. Vitally...

Briefs
Electronics & Computers

A Bistable Microelectronic Circuit for Sensing an Extremely Low Electric Field

Bistable systems are prevalently found in many sensor systems. It is well established that a well-designed coupling scheme, together with an appropriate choice of initial conditions, can induce oscillations (i.e. periodic switching between stable fixed points) in...

Briefs
Physical Sciences

Fiber-Optic Seismic Sensor for Unattended Ground Sensing

Seismic military sensors are required to be robust, reliable, compact, and easy to install and operate to be effective in the battlefield environment. Three types of sensor...

Briefs
Electronics & Computers

Reflected Signal Analysis

Forensic characterization of a wireless device is useful in many applications. An example of this is in the testing of Federal Communications Commission (FCC) Part 15 devices that must adhere to strict guidelines...

Briefs
Photonics/Optics

Threshold Voltage Tuning of Metal-Gate MOSFETs Using an Excimer Laser

This work presents a localized method for tuning the threshold voltages (Vt) of multilayer metal-gate metal-oxide-semiconductor field-effect transistor (MOSFET) devices with a spatial area theoretically limited by the wavelength of the laser beam. This technique...

Briefs
Photonics/Optics

Development of GaN-Based Nanostructure Photon Emitters

Gallium nitride (GaN)-based wide bandgap semiconductors are very important material systems for fabrication of photon emitters in a wide range of wavelengths. In particular, the light emitters in ultraviolet (UV), blue, and green wavelengths have been developed and demonstrated in recent...

Briefs
Manufacturing & Prototyping

Solution Deposition Methods for Carbon Nanotube Field-Effect Transistors

Extensive research has been done on carbon nanotube field-effect transistors (CNTFETs), which may revolutionize electronics. Single-walled carbon nano-tubes (SWNTs) act...

Briefs
Manufacturing & Prototyping

Micro-Propulsion Devices Made of Low-Temperature Co-Fired Ceramics

In the satellite industry, the trend is towards decreasing the size of satellites and clustering of small satellites. Technological advancements in microelectronics have made it more economical to launch a cluster of satellites with a single vehicle rather than the traditional...

Briefs
Electronics & Computers

Analysis of Clustering Tools for Moving Target Indication

Current and future forces operating in urban environments need the capability to detect slow-moving personnel inside buildings. To accomplish this, a time-domain approach was developed that uses a low-frequency, ultra-wideband (UWB) radar with a transmit pulse capable of penetrating...

Articles
Aerospace

Choosing Your RF Design Environment Flow

You can’t build a house without blueprints. So why do so many RF design flows try to build a board without a schematic? Most often, this crude process comes about due to lack of availability of RF...

Articles
RF & Microwave Electronics

Antenna Design Considerations

With the advent of prolific wireless communications applications, system designers are in a position to consider the placement and performance of an antenna system. The first step in establishing antenna...

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...

Products
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...

Products
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...

Products
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...

Products
RF & Microwave Electronics

RF/Microwave Device Tester

The SMART^E™ 5300 general-purpose test environment from Aeroflex (Plainview, NY) is a high-speed system for testing RF and microwave devices. The DC to 40 GHz system can test, monitor, and control any device...

Products

High-Speed Converters

Electro Standards Laboratories (Cranston, RI) offers three configurations of high-speed ruggedized interface converters. Available as encased, board-only, or DIN rail-mounted, the fiber-to-USB interface converters are...

Products

Plastic Circular Connectors

ITT Interconnect Solutions (Santa Ana, CA) offers the APD Series plastic circular connectors for use in wheeled armored vehicles. The connectors are lightweight, easy to assemble, and offer the additional security...

Products

Switches and Isolators

Perfect Switch, LLC (San Diego, CA) has introduced the POWER-GATE line of high-current solid-state DC relays, low-voltage disconnects, and battery isolators. The switches can be configured for various applications to...

Products

Testing String Pot

The MT3A testing string pot for high-acceleration test applications in potentially wet environments is available from Celesco Transducer Products (Chatsworth, CA). The string pot is available in 3, 9, 15, and 30" stroke...

Products

Single-Board Computer

GE Intelligent Platforms (Charlottesville, VA) has announced the IMP3A, a 3U CompactPCI single-board computer featuring dual-core QorIQ™ processor technology from Freescale™. The IMP3A combines the processor with a...

Products

Data Recording and Playback System

PT (Amsterdam, The Netherlands) offers the MPR2000 radar and sensor data recording/playback system that enables integrators to expand their existing air traffic control recording systems and build IP-based...

Products

Coatings and Optics

Precision Glass & Optics (Santa Ana, CA) offers thin-film coatings, commercial optics, and precision optics for military and defense applications, including plano optical components from prisms to windows, beamsplitters,...

Products

Battery and Audio Connectors

Mil-Con (Wood Dale, IL) offers a new series of battery connectors and audio connectors. The battery connectors are available in traditional plug/socket contact styles, as well as in circular contact designs....

Products

Optics Replication

OPCO Laboratory (Fitchburg, MA) provides a proprietary replication process that reproduces complex optics. It transfers the profile of a precision optical surface from a master, creating an exact duplicate on a variety of...

Products

Line-Scan Camera

X-Scan Imaging Corp. (San Jose, CA) has introduced the XH8800 Series line-scan camera for imaging high-energy x-ray and gamma-ray scanning applications. The camera images large, dense objects such as metal casting and steel...