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Articles Aerospace
Advances in High-Frequency PCB Materials
Traditionally, RF/microwave printed circuit board applications were developed based on the needs that came out of the military market. Applications like radar and guidance systems were operating at...
Articles Aerospace
Specifying Components for Space Applications
Recently, NASA renewed a decades-old request for grant proposals that call for “faster, better, cheaper” projects. The ultimate agenda is to expedite developments in aerospace capabilities...
Tech Transfer Reports
Software Fuses Radar and Sensor Data
Software designed to classify and track multiple targets for active space-borne missile threats also holds the potential to track objects as diverse as ground moving military targets, aircraft, and...
Tech Transfer Reports
Data-Driven Prognostics Software Predicts Deformation and Failure
Air- and space-borne systems require the storage, transport, and dispensing of large amounts of cryogenic fluids. In addition, these systems must be as lightweight as...
Tech Transfer Reports
Microgames for Proactive Preventative Medicine
The Department of Defense is actively looking for unified Force Health Protection and Deployment Health strategies to protect service members and their families from health hazards associated with military service. The Air Force is looking for a technology that will help save lives and promote...
Tech Transfer Reports
Processing System Detects and Monitors Human Behavior in Crowds
A new surveillance technology soon might allow police, transportation officials, and private security firms to quickly and efficiently scan crowds to guard against terrorists or...
Articles Aerospace
Passive Devices Designed to Improve Signal-to-Noise Ratios in Defense Electronics
While power architectures of defense electronics are extremely diverse, all have common operational demands: they must be robust (shock, vibration, temperature...
Articles Test & Measurement
Reliable EMI Shielding Materials and RF Cable Assemblies Ensure High Performance for Handheld Test Instruments
While high-performance test equipment has been used successfully in the laboratory for many years, the trend is moving toward...
Briefs Physical Sciences
Forehead-Mounted Sensor Measures Oxygen Saturation for Hypoxia Early Detection and Warning
Symptoms of hypoxia – a deficiency in the amount of oxygen reaching body tissues - have been documented among rotary-wing pilots and aircrew flying...
Briefs Physical Sciences
Manifold-Based Image Understanding
The rapid growth of sensing and imaging technology, combined with the need for near-real-time action based on the sensed data, has rendered automatic processing, understanding, and decision-making vital to...
Briefs Information Technology
Flexible Computing Architecture for Real-Time Skin Detection
In both the Air Force and search and rescue (SAR) communities, there is a need to detect and characterize persons. Existing methods use red-green-blue (RGB) imagery, but produce high false alarm rates. New technology in multispectral skin detection is better than the existing RGB...
Briefs Physical Sciences
Battery Electrolyte Level Detector Apparatus
An apparatus has been developed for checking the electrolyte level in a battery, providing a safer and more efficient means to do so. The result is a non-intrusive apparatus and method of checking the electrolyte level that reduces the need to open the caps on the battery by checking the level...
Briefs Electronics & Computers
Magnetic Random Access Memory Integrated Passive Components
An embedded magnetic memory technology was developed to be integrated into a Complementary Metal Oxide Semiconductor (CMOS) circuit fabrication process to provide radiation-hard...
Briefs Electronics & Computers
Differential Amplifier Circuits Based on Carbon Nanotube Field Effect Transistors (CNTFETs)
Since their discovery, carbon nanotubes (CNTs) have been extensively studied for their great potential in a variety of applications. Several desirable properties that CNTs possess include a high thermal conductivity, high electrical mobility, high...
Briefs Photonics/Optics
AlInGaN Bandgap and Doping Engineering for Visible Laser Diodes
There is a great need to develop chip-scale visible lasers for many applications, including laser sight, environmental monitoring, and compact pumping sources for ultra-short laser pulse generation, high-luminous full-color displays, new-generation solid-state lighting, etc. The...
Briefs Photonics/Optics
Photorefractive Polymers for Updatable 3D Displays
Photorefractive (PR) polymer composites developed for 3D display applications contain a copolymer as the hole-transporting host matrix. The copolymer approach is followed to reduce the phase...
Briefs Mechanical & Fluid Systems
Membrane Pump for Synthetic Muscle Actuation
A synthetic muscle has been developed that uses inflatable balloons to produce a tensile force from a positive pressurization. Mechanical supply and ducting is used to provide the required pressurization. However, the mechanical supply and ducting that is currently used is limited in several respects....
Briefs Mechanical & Fluid Systems
Nonlinear, High-Fidelity, Aeroelastic Analysis for Novel Configurations
Efforts to develop morphing air vehicles with multiple mission capabilities have recently been undertaken by several research teams, including NASA’s Aircraft Morphing program and the Defense Advanced Research Projects Agency’s (DARPA) Morphing Aircraft Structures...
Briefs Materials
Shape Memory Polymer Process Development
This work introduces a simple technique of separately fabricating electrospun short fibers. This technique employs a paper mesh, which is placed between the needle tip and counter electrode of the...
Briefs Manufacturing & Prototyping
Surface-Plasmon-Enhanced Organic Thin-Film Solar Cells
Fabrication of two-dimensional metal nanoparticle arrays was achieved both by thermal annealing and nanosphere lithography techniques, which are both very fast and economic. The surface plasmon resonance of the fabricated nanostructure was analyzed experimentally by optical absorption...
Products RF & Microwave Electronics
RF Vector Network Analyzer
National Instruments (Austin, TX) has introduced the NI PXIe-5630 6 GHz two-port vector network analyzer (VNA), available in a compact, modular two-slot PXI architecture that allows engineers to perform parallel...
Products RF & Microwave Electronics
Radio Telemetry System
Datapaq (Wilmington, MA) offers the Datapaq®TM21 radio telemetry system that uses radio-frequency technology to monitor and analyze thermal processes and temperature data in industrial-heating applications. Product...
Products RF & Microwave Electronics
Cable Connectors
The Times Advantage™ connector line from Times Microwave Systems (Wallingford, CT) has been extended to include four new type-716 DIN straight and right-angle EZ no-solder connectors for LMR-400 and LMR-600 cables. None of...
Products RF & Microwave Electronics
Microwave Switch Platform
The EX71HD microwave switching platform from VTI Instruments (Irvine, CA) addresses applications that require non-latching relays and an operating range of up to 26.5 GHz. The switch can house up to 12 building...
Products RF & Microwave Electronics
Dual-Band Antenna
Spectrum Advanced Specialty Products (Fairview, PA) introduces the Wi-FI Pro Dual Band Antenna, designed to provide full bandwidth across the ISM band and withstand noisy or electronically sensitive environments. Able to...
Products RF & Microwave Electronics
RF Diagnostic Chamber
The R&S DST200 RF diagnostic chamber from Rohde and Schwarz (Columbia, MD) allows wireless device developers to perform reproducible, radiated RF measurements, including tests for self-interference, radiated...
Products RF & Microwave Electronics
Electric Field Probe
The FL740 electric field probe from AR (Souderton, PA) uses an internal microprocessor to offer linearization, control, and communication functions. The FL7040 communicates through glass fiber optic cables, up to 100...
Products RF & Microwave Electronics
RF Antenna Switches
California Eastern Laboratories (Santa Clara, CA) offers two RF antenna switches based on the same chip die: the uPG2413T6M and the uPG2413T6Z. The small, single pole triple throw, SP3T switches, designed by Renesas...
Products RF & Microwave Electronics
RF/IF Digitizer
ZTEC Instruments (Albuquerque, NM) and Astronics DME Corp. (East Aurora, NY) have developed the ZR8441 RF/IF digitizer. The digitizer comes standard with a full-featured, on-instrument spectrum analyzer. Technical...
Products RF & Microwave Electronics
Dipole Antennas
Antenna Factor (Merlin, OR) has announced 2.4 GHz models of its HW and HWR Series antennas. While the HW has a fixed base, the HWR option features an articulating base that allows the antenna to tilt 90° and rotate 360°....
Products RF & Microwave Electronics
AC-to-DC Converter
BC Systems (Setauket, NY) has launched the BC-751, an eight-output, 800W AC-to-DC converter, designed to power solid-state RF amplifiers in airborne Identification Friend or Foe (IFF) applications. The BC-751 accepts a...
Products RF & Microwave Electronics
ISM Band Transceiver
RF Micro Devices (Greensboro, NC) introduces the ML2730, a single-chip integrated Frequency Shift Keyed (FSK) transceiver with integrated power amplifier (PA) and low noise amplifier (LNA). The ML2730 covers 900 MHz, 2.4...
Products
USB Interface Device
Data Device Corp. (Bohemia, NY) has introduced a portable USB synchro/resolver interface device for military position feedback, and control and test systems. The input unit features two independent synchro/resolver-to-digital conversion channels configurable for 2V to 90V inputs, and operate at carrier frequencies in the...
Products
Tracking Application
MobileRecon from Navagis (Jackson, MS) is a mobile device application that brings video, audio, and other data onto a Google Earth Enterprise (GEE) globe from the field. User-generated maps and live asset tracking can be...
Products
Silicone Tape
Simrit (Plymouth, MI) has introduced self-fusing silicone sinusoidal tape that incorporates fiberglass strands into the tape to control the amount of stretch for consistent thickness and dielectrics, while providing tear and...
Products
Rugged Tablet Computer
The xTablet® T7000 mini tablet computer from MobileDemand (Hiawatha, IA) provides the functionality of a notebook computer, the Windows operating system of a tablet PC, and the portability of a handheld device. The...
Products
High-Voltage Amplifiers
The 2200 series of 40W high-voltage amplifiers from TREK (Medina, NY) is available in three models - the Model 2205, 2210, and 2220. The 2205 controls output voltages from 0 to ±500V DC or peak AC, with an output...
Products
Thin-Film Chip Resistors
TT electronics IRC (Corpus Christi, TX) offers the PFC Series thin-film chip resistors that includes a 0402 package size qualified to MIL-PRF-55342 specifications. The chips are constructed using Tantalum Nitride...
Products
Sight Glass
Precision Hermetic Technology (Redlands, CA) offers Precise-glass™ low-profile sight glass that meets airborne and undersea requirements. The crack-free, stress- and shatter-resistant units are used in airborne oxygen and refrigeration systems, undersea valves and bulkheads, cryogenic containers, flow meters, liquid level gauges,...
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