Products : Electronics & Computers
TVS Diode Arrays

Littelfuse, Inc. (Chicago, IL) has introduced the SPxx-01WTG-C-HV Series (SPxx Series) of general purpose ESD Protection TVS Diode Arrays (SPA® Diodes). These new “high-voltage” 0201-size components are suited for safeguarding the data lines on larger touchscreen modules that are used in large-format tablets and notebooks....

Products : Electronics & Computers
35A POL Converter

TDK Corporation (San Diego, CA) announced the introduction of the 35 Ampere TDK-Lambda iJA series of POL (Point of Load) non-isolated DC-DC converters. Being PMBus™ compliant and featuring digital control, these converters operate from an 8 to 14 VDC input and can provide output voltages from 0.6 to 3.3V, with a precision set...

Products : Electronics & Computers
Harmonics Calculation Software

Teledyne LeCroy (Chestnut Ridge, NY) has introduced a new Harmonics Calculation option for the Motor Drive Analyzer (MDA800) series. This optional software adds advanced harmonic filtering for AC Input and Drive Output Numeric table measurements; Total Harmonic Distortion (THD) measurement parameters for voltage,...

Products : Electronics & Computers
1U All-Flash Array

AccelStor (Taipei, Taiwan) has announced its latest flash appliance, NeoSapphire 3505, a 1U rack-mount storage appliance featuring 500K sustained IOPS performance with 5TB usable storage capacity and high-speed InfiniBand connectivity. Utilizing AccelStor’s FlexiRemap flash-management software technology, the compact 1U...

Articles : Electronics & Computers
Self-Healing Sensor Brings ‘Electronic Skin’ Closer to Reality

Flexible sensors have been developed for use in consumer electronics, robotics, health care, and space flight. Future possible applications could include the creation of “electronic skin” and prosthetic limbs that allow wearers to “feel” changes in their environments. One...

Articles : Electronics & Computers
New System Streamlines Mobile Image Processing

As smartphones become people’s primary computers and their primary cameras, there is growing demand for mobile versions of image-processing applications. Image processing, however, can be computationally intensive and could quickly drain a cellphone’s battery. Some mobile applications try to...

Articles : Electronics & Computers
Ultrasensitive Sensors Made from Boron-Doped Graphene

An international team of researchers, led by Penn State, has developed ultrasensitive gas sensors based on the infusion of boron atoms into the tightly bound matrix of carbon atoms known as graphene. The group is composed of researchers from six countries and includes the 2010 Noble laureate...

Question of the Week
Will the growing number of drones cause too many headaches for aviation officials?

This week's Question: Hundreds of thousands of the unmanned aircraft are expected to be sold between Black Friday and the end of the year, providing both a boon for the emerging industry and a potential headache for aviation safety officials. Parrot's Bebop...

Articles : Imaging
Thermal Imaging Cameras See Through the Smoke

Scientists, researchers, automation specialists, electrical and building professionals, and security specialists use thermal imaging cameras (TICs) to discover hidden heat patterns and gain new insights in their fields of expertise. Thermal imaging technology, however, can also save lives....

News : Materials
Making Conductors by Spreading Them Like Butter on Toast

Scientists from Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory have made flexible, transparent electrical conductors with record-high performance for use in solar cells, displays, and other devices by spreading polymers on a clear surface with a...

News : Materials
New Technique Can Weld “Un-weldable” Metals

Engineers at The Ohio State University have developed a new welding technique that consumes 80 percent less energy than a common welding technique, yet creates bonds that are 50 percent stronger. The new technique could have a huge impact on the auto industry. Despite recent advances in materials...

News : Nanotechnology
Graphene-Based Inks Enable High-Speed Manufacturing of Printed Electronics

A low-cost, high-speed method for printing graphene inks using a conventional roll-to-roll printing process, like that used to print newspapers, could open up a wide range of practical applications, including inexpensive printed electronics, intelligent packaging, and...

News : Nanotechnology
Sponge-Like Material Soaks Up Oil Spills

In hopes of limiting the disastrous environmental effects of massive oil spills, scientists from Drexel University and Deakin University, in Australia, have teamed up to manufacture and test a new material. The boron nitride nanosheet absorbs up to 33 times its weight in oils and organic solvents — a...

Briefs : Electronics & Computers
EADIN Lite Communication Network

The distributed engine controls (DEC) task seeks to investigate the capabilities of a distributed network for aircraft engine controls. Traditional aircraft engine control systems use analog systems to communicate with sensors and actuators. The ability to upgrade an engine after manufacture, by swapping out...

Briefs : Electronics & Computers
Iris DSN-Compatible, CubeSat-Compatible Transponder

No CubeSat-compatible, Deep Space Network (DSN)-compatible communications and navigation transponder exists at the time of this reporting. In order for CubeSats and other small spacecraft to go into deep space, a DSN-compatible capability is needed.

Briefs : Electronics & Computers
Cockpit Avionics Upgrade Display Atlas, Generic Display Software, and Electronic Procedure System

Modern avionics permit user interfaces on spacecraft to be performed on computer screens instead of with physical controls. This saves a great deal of weight; however, it presents challenges with representing all the various controls and gauges as...

Briefs : Electronics & Computers
Multi-Frequency, THz Quantum Cascade Laser Source

Interest in the use of THz detectors outside the laboratory for space, atmospheric, and terrestrial applications has grown immensely in the past half-century. Of particular interest in recent years is the development of the quantum cascade laser (QCL) as a THz frequency source.

Briefs : Electronics & Computers
Avionics/Electronics Box Rail Mount System

There is limited space available to install numerous avionics boxes with the caveat that each box is a line replacement unit (LRU). Access to enable the removal of the boxes is limited, and it is critical that no tools and/or loose parts exist to ensure that no damage is done to aft-located components....

Briefs : Electronics & Computers
Semiconductor Nanomembrane-Based Flight Sensors and Arrays

There are two broad classes of methods for measuring skin friction (or wall shear): indirect and direct. The direct methods generally employ a movable element of the actual surface surrounded by a very small gap and connected to some type of flexure. One then measures the displacement of...

Briefs : Electronics & Computers
Dual I²C and SPI Slave Core for FPGA and ASIC Implementations

The I2C/SPI Verilog core consists of a combined register transfer logic (RTL) Verilog code for a general-purpose I2C and serial-to-parallel interface (SPI) slave for implementations targeting field programmable gate arrays (FPGAs) and application specific...

Briefs : Electronics & Computers
Automated Break-Out Box for Use with Low-Cost Spacecraft Integration and Test

Electrical checkout and testing is a critical part of the overall space integration and test flow. Verifying proper harness and connector signal interfaces is key to ensuring component health and overall system functionality. Break-out boxes (BOBs) are used to give...

Briefs : Electronics & Computers
Radiation-Hardened 10BASE-T Ethernet Physical Interface (PHY)

The EXPRESS Logistics Carrier (ELC) system was built by NASA Goddard for installation on the International Space Station (ISS). Four ELC systems are on ISS. Each ELC site includes two data nodes. The ELC requirements call for a radiation-hardened 10BASE-T Ethernet interface at each...

Briefs : Electronics & Computers
Radiation-Hardened, Quad 12-Bit Digital-to-Analog Converter ASIC

This radiation-hardened, compact, low-power, quad 12-bit digital-to-analog converter (DAC) application specific integrated circuit (ASIC) incorporates science-driven features based on applications in a realistic space environment such as threshold setting, current bias circuits,...

Briefs : Mechanical & Fluid Systems
Use of Eccentric Bushings to Precision-Locate Multiple Parts on a Large Mating Structure

Cups/cones are being used to provide a shear load transfer capability on a large separation interface that uses multiple discreet retention and release (R&R) devices (such as frangible nuts, separation nuts, separation bolts, etc.). To both provide good...

Briefs : Mechanical & Fluid Systems
Effective Packing of Large Panels via Scrolling and Origami Folding

There is a need for large mirrors that can be launched to various bodies in the solar system in a packed form and unfolded to provide the required dimensions. The solution to the need for foldable panels that can be made as mirrors or other structures including antennas, etc....

Briefs : Mechanical & Fluid Systems
Six-Degree-of-Freedom Control With Only Eight Thrusters

Typical spacecraft thruster configurations are often unable to provide full six-degree-of-freedom control and may have unwanted interaction between their attitude control and trajectory control functions, have undesirably high instantaneous electrical power demands, and use more thrusters...

Briefs : Mechanical & Fluid Systems
Precise Direct Control of Pressure or Vacuum Using a Digitally Controlled Actuator

A closed/semi-open pressure or vacuum system uses an electric screw mechanical actuator that can be digitally controlled and monitored, and which receives feedback directly from an external or internal source. This innovation can adjust for media temperature...

Briefs : Mechanical & Fluid Systems
Irreversible Entropy Production Rate in High-Pressure Turbulent Reactive Flows

To model high-pressure reactive flows, the most promising methodology is large eddy simulation (LES) in which one solves the large scales of the problem and models the small scales. There is currently no guidance as to the relative importance of small scales...

Briefs : Mechanical & Fluid Systems
Piezoelectric Actuator for a 2-inch Isolation Cryogenic Valve

This project is focused on the development of a high-force, high-speed piezoelectric actuator for control of a 2-inch (≈5-cm) isolation valve application in a cryogenic vacuum environment. The piezo motor actuators on the two cryogenic isolation valves were successfully tested at...

Briefs : Mechanical & Fluid Systems
Torque Plug Actuator Design for Sample Return Sample Tubes

During the transportation of any sample material, it is important to ensure that no damage or contamination of the sample occurs while in transit. This concept is extremely important within the sample caching rover sample return architecture. Adequately sealing the sample tubes is...


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