Latest Stories
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 range...
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...
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 while...
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 Aerospace
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 remote...
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 externally.
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 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 at...
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 our...
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 methods,...
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 logic...
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 electrical...
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. To...
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 program....
Briefs Manufacturing & Prototyping
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
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
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 housing....
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 to 125 °C,...
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 antennas...
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, and...
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