Products: Energy
Linear Technology Corporation (Milpitas, CA) introduces the LTC4227, a compact, dual ideal diode with Hot Swap™ controller that provides PowerPath™ and inrush current control for redundant supplies operating from 2.9V to...
Briefs: Green Design & Manufacturing
Grid-Tied Photovoltaic Power System
A grid-tied photovoltaic (PV) power system is connected directly to the utility distribution grid. Facility power can be obtained from the utility system as normal. The PV system is synchronized with the utility system to provide power for the facility, and excess power is provided to the utility.
Products: Lighting
International Rectifier (El Segundo, CA) has introduced the IR115x family of µPFC™ power factor correction (PFC) ICs for a wide variety of AC-DC applications including lighting, LCD/PDP TV and game console...
Podcasts: Physical Sciences
Dr. Dale P. Cruikshank, Astronomer and Planetary Scientist, NASA Ames Research Center, Moffett Field, CA
Dale P. Cruikshank is an astronomer and planetary scientist in the Astrophysics Branch at Ames Research Center. His research specialties are spectroscopy and radiometry of planets, asteroids, satellites, and other bodies in the solar system....
Who's Who: Aerospace
Dale P. Cruikshank is an astronomer and planetary scientist in the Astrophysics Branch at Ames Research Center. His research specialties...
Articles: Photonics/Optics
Adhesives deliver excellent performance on a range of materials used to manufacture optical components, including glass, metal, ceramic and most plastics. By their very nature, adhesives allow devices to be...
Articles: Motion Control
Medical equipment motion control runs the gamut from electric wheelchair motion to heart assist pumps. This article will focus on the segment consisting of medical laboratory instruments....
Application Briefs: Photonics/Optics
The European Space Agency is funding e2v’s development of an image sensor for the visible instrument in the Euclid space telescope. Euclid is a candidate mission for one of two...
Products: Photonics/Optics
Optimax (Ontario, NY) is a manufacturing company that provides rapid prototyping of precision optical components in sizes up to 300mm. Optimax specializes in asphere, cylinder, sphere, and plano/flat optics. All parts...
Products: Photonics/Optics
EMCO’s (Sutter Creek, CA) A Series is a new line of ultra-miniature, DC to HV DC converters that occupy less than one tenth of a cubic inch of volume, and have an extremely low profile of only 0.250 inches (6.35mm)....
Briefs: Semiconductors & ICs
Small Microprocessor for ASIC or FPGA Implementation
A small microprocessor, suitable for use in applications in which high reliability is required, was designed to be implemented in either an application-specific integrated circuit (ASIC) or a field-programmable gate array (FPGA). The design is based on commercial microprocessor architecture,...
Articles: Software
Engineers have one very keen sense in life, and that is to ferret out usefulness from perceived buzz. Trained as such, unless we are reading the weather report, the word “cloud” sends...
Application Briefs: Green Design & Manufacturing
Autodesk
San Rafael, CA
415-507-5000
www.autodesk.com...
Briefs: Physical Sciences
This miniature or micro-sized semi-conductor sensor design provides direct, nonintrusive measurement of skin friction or wall shear stress in fluid flow situations in a...
Briefs: Semiconductors & ICs
Source-Coupled, N-Channel, JFET-Based Digital Logic Gate Structure Using Resistive Level Shifters
A circuit topography is used to create usable, digital logic gates using N (negatively doped) channel junction field effect transistors (JFETs), load resistors, level shifting resistors, and supply rails whose values are based on the DC parametric...
Briefs: Electronics & Computers
Amperometric Solid Electrolyte Oxygen Microsensors With Easy Batch Fabrication
There is a great need for oxygen microsensors for aerospace and commercial applications. Current bulk or thick-film solid electrolyte oxygen sensors have the disadvantages of being large in size, high in power consumption, difficult to batch-fabricate, and high in...
Briefs: Semiconductors & ICs
Monitoring Digital Closed-Loop Feedback Systems
A technique of monitoring digital closed-loop feedback systems has been conceived. The basic idea is to obtain information on the performances of closed-loop feedback circuits in such systems to aid in the determination of the functionality and integrity of the circuits and of performance...
Briefs: Physical Sciences
A compact and portable target assembly (Fig. 1) has been developed to measure the boresite alignment of LRO’s Lunar Orbiter Laser Altimeter (LOLA) instrument at the spacecraft...
Briefs: Electronics & Computers
Evaluation of the Reflection Coefficient of Microstrip Elements for Reflectarray Antennas
Basis functions were studied and identified that provide efficient and accurate solutions for the induced patch currents and the reflection phase in microstrip reflectarrays. The integral equation of an infinite array of microstrip elements in the form of...
Briefs: Electronics & Computers
Virtual Sensor Test Instrumentation
Virtual Sensor Test Instrumentation is based on the concept of smart sensor technology for testing with intelligence needed to perform sell-diagnosis of health, and to participate in a hierarchy of health determination at sensor, process, and system levels. A virtual sensor test instrumentation consists of...
Briefs: Software
MASCOT — MATLAB Stability and Control Toolbox
MASCOT software was created to provide the conceptual aircraft designer accurate predictions of air vehicle stability and control characteristics. The code takes as input mass property data in the form of an inertia tensor, aerodynamic loading data, and propulsion (i.e. thrust) loading data. Using...
Briefs: Semiconductors & ICs
A proposed integrated circuit would translate (1) a pair of input signals having a low differential potential and a possibly high common-mode potential into (2) a pair of output signals...
Briefs: Software
MIRO Continuum Calibration for Asteroid Mode
MIRO (Microwave Instrument for the Rosetta Orbiter) is a lightweight, uncooled, dual-frequency heterodyne radiometer. The MIRO encountered asteroid Steins in 2008, and during the flyby, MIRO used the Asteroid Mode to measure the emission spectrum of Steins. The Asteroid Mode is one of the seven modes...
Briefs: Electronics & Computers
Smaller (volume, mass, power) electronics for a Ka-band (36 GHz) radar interferometer were required. To reduce size and achieve better control over RF-phase versus temperature, fully hybrid electronics...
Briefs: Software
Coded Modulation in C and MATLAB
This software, written separately in C and MATLAB as stand-alone packages with equivalent functionality, implements encoders and decoders for a set of nine error-correcting codes and modulators and demodulators for five modulation types. The software can be used as a single program to simulate the performance of...
Briefs: Electronics & Computers
Radiation-Tolerant, SpaceWire-Compatible Switching Fabric
Current and future near-Earth and deep space exploration programs and space defense programs require the development of robust intra-spacecraft serial data transfer electronics that must be reconfigurable, fault-tolerant, and have the ability to operate effectively for long periods of...
Techs for License
Flexible Absorbent Binder for Packaging Applications
Flexible Absorbent Binder (FAB) is a transparent polymer cured from a water-based solution. It is ideal for maintaining in-package humidity during shelf life and transport without drying out the package contents. FAB can make a new product with unique liquid-and vapor-handling capabilities, or...
Briefs: Software
GOATS Image Projection Component
When doing mission analysis and design of an imaging system in orbit around the Earth, answering the fundamental question of imaging performance requires an understanding of the image products that will be produced by the imaging system. At the highest level, this understanding can be gained by a first-principles...
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April Battery & Electrification Summit
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