Stories
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Briefs: Electronics & Computers
Two simple position or displacement sensors based on inductance-capacitance resonant circuits have been conceived. These sensors are both powered and interrogated without use of wires and...
Briefs: Electronics & Computers
A new sensor (see figure) provides an absolute position measurement. The figure presents a schematic view of a motorized linear- translation stage that contains, at each end, an electronic...
Briefs: Electronics & Computers
A printed, folded, Hilbert-curve fractal microwave antenna has been designed and built to offer advantages of compactness and low mass, relative to other antennas designed for the...
Briefs: Electronics & Computers
Panoramic detection systems (PDSs) are developmental video monitoring and image-data processing systems that, as their name indicates, acquire panoramic views. More specifically, a PDS acquires images...
Briefs: Electronics & Computers
Electronic circuitry has been developed to serve as an interface between an electronic tongue and digital input/output boards in a laptop computer that is used to control the tongue and...
Briefs: Electronics & Computers
An inexpensive wall clock has been devised for displaying solar time or sidereal time as it would be perceived on a planet other than the Earth, or for displaying sidereal time on the...
Briefs: Electronics & Computers
An efficient arrangement of four switches has been conceived for coupling, to four output ports, the output powers of any subset of four devices that are members of a redundant set of...
Briefs: Electronics & Computers
A lightweight reflectarray antenna that would enable simultaneous operation at frequencies near 7.115 GHz and frequencies near 32 GHz is undergoing development. More precisely, what is being...
Briefs: Photonics/Optics
The figure is a simplified diagram of a relatively inexpensive controller for a DiCon VX (or equivalent) fiber-optic switch — an electromechanically actuated switch for optically connecting one...
Blog: Nanotechnology
Nano Memory
Scientists from the University of Pennsylvania have developed nanowires that can store computer data for 100,000 years and retrieve the data 1,000 times faster than existing portable memory devices such as Flash and micro-drives. The self-assembling nanowire is made of germanium antimony telluride, a phase-changing material that...
Products: Electronics & Computers
Altera Corporation (San Jose, CA) announced the shipment of the EP3C120, the largest member of its new low-cost 65nm Cyclone® III FPGA family. Leveraging Taiwan Semiconductor Manufacturing Company's (TSMC's) 65-nm low-power...
Briefs: Electronics & Computers
A microrectenna that would operate at a frequency of 2.5 THz has been designed and partially fabricated. The circuit is intended to be a prototype of an extremely compact device that...
Briefs: Electronics & Computers
A polarimetric radiometer that operates at a frequency of 40 GHz has been designed and built as a prototype of multiple identical units that could be arranged in a planar array for scientific...
Briefs: Electronics & Computers
A window for a high-sensitivity microwave receiving system allows microwave radiation to pass through to a cryogenically cooled microwave feed system in a vacuum chamber, while keeping ambient air out of the...
Briefs: Electronics & Computers
Photonic local oscillators and modulators that include whispering-gallery- mode (WGM) optical resonators have been proposed as power-efficient devices for generating and detecting radiation at...
Briefs: Electronics & Computers
The upper part of the figure depicts an aperture-coupled L-band antenna comprising patterned metal conductor films supported on two thin polyimide membranes separated by an air gap. In this antenna,...
Briefs: Electronics & Computers
Focal-plane arrays of semiconductor quantum-dot infrared photodetectors (QDIPs) are being developed as superior alternatives to prior infrared imagers, including imagers based on HgCdTe...
Briefs: Electronics & Computers
A proposed laser-based instrument would quickly measure the approximate distance and approximate direction to the closest target within its field of view. The instrument would not contain any...
Briefs: Electronics & Computers
A miniature L-band transceiver that operates at a carrier frequency of 1.25 GHz has been developed as part of a generic radar electronics module (REM) that would constitute one unit in an array of many...
Briefs: Electronics & Computers
The device shown in the figure exploits cathodoluminescence to generate intense light in the visible and near-infrared regions of the spectrum. This device is suitable for use as a source of...
Briefs: Electronics & Computers
A system of electronic hardware and software, now undergoing development, automatically estimates the location of a robotic land vehicle in an urban environment using a somewhat...
Articles: Electronics & Computers
Medical imaging is an information processing technique that takes data samples from medical devices such as magnetic resonance imaging (MRI) or computer tomography (CT)...
Articles: Electronics & Computers
With a laundry list of design constraints, including a combination of real-time requirements, reliability/durability requests, and functionality and performance needs, it’s not...
Articles: Electronics & Computers
Both Serial RapidIO and Ethernet are being used as a backplane interconnect technology in a wide range of embedded applications. Many suppliers support both standards and let designers...
Application Briefs: Electronics & Computers
Conventional hard disk drives (HDDs) are designed to reliably operate in the hospitable physical surroundings of interior deployments, which are typically characterized by mild...
Products: Electronics & Computers
WinSystems (Arlington, TX) has introduced the PPM-GX, a PC/104-Plus compatible single board computer (SBC) that operates throughout the temperature range of - 40°to 85°C without...
Products: Electronics & Computers
ACCESS IO Products Inc. (San Diego, CA) has developed the Model LVDT- 8A, a linear variable differential transformer (LVDT) signal conditioner board offering eight channels of signal conditioning....
Products: Electronics & Computers
Kontron (Poway, CA) has announced the Kontron Barracuda Human Machine Interface (HMI) family of products suitable for use in military command, control, communications, and computers where a display or...
Products: Electronics & Computers
Renesas Technology America, Inc. (Tokyo, Japan), has launched two R32C/118 group microcontrollers (MCUs) offering 512KB on-chip flash memory and speeds of up to 48 MHz on...
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