Stories
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Briefs: Electronics & Computers
Electrically variable or programmable capacitors based on the unique properties of thin perovskite films are undergoing development. These capacitors show promise of overcoming two...
Briefs: Electronics & Computers
Vector modulators are used to impose baseband modulation on RF signals, but non- ideal behavior limits the overall performance. The non-ideal behavior of the vector modulator is compensated...
Briefs: Photonics/Optics
Rectangular-waveguide inserts that are made of non-ferromagnetic metals and are sized and shaped to function as notch filters have been conceived as reference standards for use in the...
Briefs: Electronics & Computers
MMICs With Radial Probe Transitions to Waveguides
A document presents an update on the innovation reported in “Integrated Radial Probe Transition From MMIC to Waveguide” (NPO-43957), NASA Tech Briefs Vol. 31, No. 5 (May 2007), page 38. To recapitulate: To enable operation or testing of a monolithic microwave integrated circuit (MMIC), it is...
Briefs: Electronics & Computers
Tests of Low-Noise MMIC Amplifier Module at 290 to 340 GHz
A document presents data from tests of a low-noise amplifier module operating in the frequency range from 290 to 340 GHz — said to be the highest-frequency low-noise, solid-state amplifier ever developed. The module comprised a three-stage monolithic microwave integrated circuit (MMIC)...
News: Green Design & Manufacturing
MIT scientists have found that carbon nanotubes could be formed into tiny springs capable of storing as much energy, pound for pound, as the best lithium-ion batteries - potentially more durably and...
Videos: Electronics & Computers
Lithium-ion batteries for advanced vehicles still have issues of safety and costs in terms of materials resources and abundances, synthesis, and recycling processes. Jean-Marie Tarascon, a professor at...
News: Energy
Blooms of Cladophora algae may be troublesome, but they do have a positive side. Researchers at the Ångström Laboratory of Sweden's Uppsala University have discovered that the cellulose...
Techs for License: Communications
Microscale Atomic Clock Enables Applications in GPS, and Radio Channel Density
Most atomic clocks are bench-bound, and even portable units can weigh in excess of 10 pounds. This invention is a cesium laser atomic clock that can be constructed using photoresist MEMS (microelectromechanical system) technology. The glass cell measures about 1 cubic...
Products: Electronics & Computers
Micro/sys (Montrose, CA) has released a host microcontroller equipped with StackableUSB architecture. The USB1032 industrial-grade microcontroller allows OEMs to fit their control system within a 1.85" x...
Products: Electronics & Computers
Fidelity Electronics (Toronto, Canada) has announced the release of the Very Personal Computer (VPC), a low-cost, fully preloaded, Wifi portable netbook computer. The VPC weighs only 1.5 lb. and measures 8.4" x...
Products: Electronics & Computers
LeCroy Corporation (Chestnut Ridge, NY) has introduced the WaveMaster 8 Zi Series digital oscilloscopes, Serial Data Analyzers, and Disk Drive Analyzers that provide up to 30 GHz of bandwidth, 80 GS/s of sample...
Products: Electronics & Computers
HI-TECH Software (Queensland, Australia) has launched an “omniscient” ANSI C compiler that increases DMIPS/MHz and cuts the power drain of Silicon Labs’ 8051-based mixed-signal MCU families, including the ultra...
Products: Electronics & Computers
Zarlink Semiconductor Inc. (Ottawa, Canada) has announced the ZL™30143 and ZL30142 Synchronous Ethernet devices that integrate analog and digital phase locked loops (APLL/DPLL) for central timing card...
Products: Electronics & Computers
Virtium Technology Inc. (Rancho Santa Margarita, CA) has added the SSDDR SODIMM to its family of memory and storage product lines. SSDDR is a memory and SSD board design that combines Serial ATA Solid State Drive...
Products: Electronics & Computers
Mouser Electronics, Inc. (Mansfield, TX) is now stocking the ZIC2410 RF Transceiver System-on-Chip (SoC) from California Eastern Laboratories. The ZIC2410 Transceiver IC is a fully-integrated System-on-Chip (SoC)...
Application Briefs: Electronics & Computers
With more embedded systems using SSDs in critical applications, designers are now asking the question, “How long will this SSD last in my application?” To help answer this pressing...
Articles: Electronics & Computers
Commonly available COTS solutions feature high-speed interconnected processing elements with ever decreasing geometries and ever increasing complexity. Modular COTS...
Articles: Electronics & Computers
Every day we use complex mathematics, hidden inside products. When we listen to a song from an MP3 player, we are using the Fast Fourier Transform (FFT), a “complex domain” algorithm. The...
Briefs: Electronics & Computers
Battery Cell Voltage Sensing and Balancing Using Addressable Transformers
A document discusses the use of saturating transformers in a matrix arrangement to address individual cells in a high-voltage battery. This arrangement is able to monitor and charge individual cells while limiting the complexity of circuitry in the battery. The arrangement...
Briefs: Electronics & Computers
A two-stage variable sample-rate conversion (SRC) system has been proposed as part of a digital signal-processing system in a digital communication radio receiver that utilizes a variety of data...
Briefs: Electronics & Computers
A method of estimating phase drifts of microwave signals distributed to, and transmitted by, antennas in an array involves the use of the signals themselves as phase...
Briefs: Electronics & Computers
Monolithic microwave integrated-circuit (MMIC) amplifiers of a type now being developed for operation at frequencies of hundreds of gigahertz contain InP high- electron-mobility...
Briefs: Electronics & Computers
Compact, Low-Overhead, MIL-STD-1553B Controller
A compact and flexible controller has been developed to provide MIL-STD-1553B Remote Terminal (RT) communications and supporting and related functions with minimal demand on the resources of the system in which the controller is to be installed. (MIL-STD-1553B is a military standard that encompasses a...
Articles: Electronics & Computers
Industrial PCs (IPCs) are all about performance, including processors, mass storage performance, and network throughput. In all applications — medical, communications,...
Articles: Electronics & Computers
Ethernet—with a steady migration towards Gigabit Ethernet—is now the defacto choice for today’s “electronic battlefield.” The Department of Defense’s (DoD’s)...
News: Transportation
EnergyOr Technologies Inc., of Montreal, Canada, has designed, constructed, and tested an Unmanned Aerial Vehicle (UAV) platform to demonstrate its fuel cell hybrid technology. EnergyOr's system will...
Briefs: Electronics & Computers
Enhanced Video-Oculography System
A previously developed video-oculography system has been enhanced for use in measuring vestibulo-ocular reflexes of a human subject in a centrifuge, motor vehicle, or other setting. The system as previously developed included a lightweight digital video camera mounted on goggles. The left eye was illuminated by an...
Briefs: Electronics & Computers
A method has been proposed to increase the degree of synchronization of a radio receiver with the phase of a suppressed carrier signal modulated with a binary-phase-shift-keying (BPSK) or...
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