Briefs: Electronics & Computers
Dense Transducer Array
A dense transducer array is an acoustic transducer with relatively high operational bandwidth. It includes a cable harness component that provides and organizes various conductors within piezocomposite substrates to form transducer arrays with minimum impact on electroacoustic performance. Several underwater sonar...
Briefs: Electronics & Computers
Ultra-Low-Power Radios for Ad-Hoc Sensing Networks
Anew method has been developed for the design of a miniature, low-power, low-cost radio node capable of self-organization and communication within an ad-hoc network. The integrated radio transceiver, combined with a backend processor in a single networkable node, offers unique network...
Briefs: Data Acquisition
MEMS Resettable Circuit Breaker and Switch for DC-DC Voltage Converters
Resettable circuit breaker cantilevers use silicon dioxide (SiO2) for temper ature compensation. The compressive stress in the SiO2 causes the...
Briefs: Electronics & Computers
Finite-Element Simulations of Field and Current Distributions in Multifilament Superconducting Films
The separation of high-temperature superconducting (HTS) tapes in filaments is a viable approach to reduce AC losses in HTS high-power...
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...
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...
Briefs: Electronics & Computers
Procedure to Determine and Correct for Transmission Line Resistances for Direct-Current, On-Wafer Measurements
Resistances of tenths of ohms to several ohms in transmission lines have been measured in laboratory systems from the power supply...
Briefs: Electronics & Computers
Channel Field Effect Transistors
Narrow bandgap semiconductors offer high carrier mobilities and low contact resistances, while wide bandgap semiconductors offer high breakdown voltages. A series of heterojunction transistors has been investigated and proved to be effective for improving both speed and power output. These devices include double...
Briefs: Electronics & Computers
Self-Aware Computing
This project performed an initial exploration of a new concept for computer system design called Self-Aware Computing. A self-aware computer leverages a variety of hardware and software techniques to automatically adapt...
Briefs: Electronics & Computers
A Bistable Microelectronic Circuit for Sensing an Extremely Low Electric Field
Bistable systems are prevalently found in many sensor systems. It is well established that a well-designed coupling scheme, together with an appropriate choice of initial conditions, can induce oscillations (i.e. periodic switching between stable fixed points) in...
Briefs: Electronics & Computers
Reflected Signal Analysis
Forensic characterization of a wireless device is useful in many applications. An example of this is in the testing of Federal Communications Commission (FCC) Part 15 devices that must adhere to strict guidelines...
Briefs: Test & Measurement
Analysis of Clustering Tools for Moving Target Indication
Current and future forces operating in urban environments need the capability to detect slow-moving personnel inside buildings. To accomplish this, a time-domain approach was developed that uses a low-frequency, ultra-wideband (UWB) radar with a transmit pulse capable of penetrating...
Briefs: Electronics & Computers
Field-Programmable Gate Array-Based Software-Defined Radio
There are existing wideband communications systems that were built using field-programmable gate array (FPGA)-based software-defined radio (SDR) designs. Despite the inherent advantages of these systems, some are functionally restricted by limited output bandwidth.
Briefs: Electronics & Computers
Simulation Concept Exploits Tools for Computing Hybrids
The Simulation Concept – How to Exploit Tools for Computing Hybrids (SCHETCH) project is exploring the design modeling and simulation (M&S) process for developing advanced computing...
Briefs: Electronics & Computers
Asymmetric Core Computing for High-Performance Applications
High-performance computing (HPC) users have traditionally relied upon two things to supply them with processing power: speed of the central processing units (CPUs) and the scalability of the system. There are problems with this approach. Physical limitations are curtailing clock speed...
Products: Electronics & Computers
DC-DC Converters
VPT (Blacksburg, VA) has introduced the VPT100+ 2800 Series DCDC converter modules that offer up to 100W of output power per unit and parallel operation of up to five units. They are available in single output versions of...
Products: Electronics & Computers
Gold-Plated Toggle Switches
Toggle switches from C&K Components (Newton, MA) feature 50 μ-inch selective gold contact plating and are rated for logic level to 5A resistive loads and 2A inductive loads. They feature a mechanical life to...
Products: Electronics & Computers
PXI Interface Modules
National Instruments (Austin, TX) has introduced AIM PXI interface modules for military and aerospace avionics applications as well as real-time and Hardware-in-the-Loop (HIL) avionics solutions. They offer single-,...
Briefs: Electronics & Computers
Low-Power Circuit for an Electromagnetic Warning System Sensor
Low-power sensors are important to the Army for monitoring infrastructure of the lifecycle of an operation. Isotope batteries can power and operate compact, low-power sensors for...
Briefs: Electronics & Computers
Effects of Differing Carbon Nanotube Field-Effect Transistor Architectures
Understanding the differing methods and materials that can be used for producing carbon nanotube (CNT)- based electronic components means an informed use of materials...
Briefs: Electronics & Computers
Silicon Carbide Junction Field-Effect Transistor Devices for Scalable Solid-State Circuit Breakers
Power electronic converters functioning as components in high-power systems, such as those of hybrid military ground vehicles, require fast...
Briefs: Electronics & Computers
Wireless Network Cocast: Location-Aware Cooperative Communications with Linear Network Coding
In wireless networks, reducing aggregate transmit power and having even power distribution increase the network lifetime. The conventional direct transmission (DTX) scheme results in high aggregate transmit power and uneven power distribution. In...
Briefs: Electronics & Computers
High Assurance Virtualization Engine (HAVEN)
Virtualization technology has been around since the late 1960s. Initially, it was conceived to maximize utilization of expensive hardware by running multiple instances of an operating system (OS)...
Briefs: Electronics & Computers
Memory-Based, Structured, Application-Specific Integrated Circuit (ASIC)
For air, space, and ground-based systems, there is a clear need for high-performance, lightweight, low-power, highly reliable computing on data-intensive applications....
Briefs: Electronics & Computers
Dynamics of Epitaxy on Nano-Sized Semiconductor Surfaces
Semiconductor self-assembled quantum dots (QDs) have emerged as one of the simplest subjects for exploring and exploiting the physics and device applications of charge carriers and...
Briefs: Electronics & Computers
Cooperative Single-Antenna Node Networks
Future tactical networks will be complex, with severe constraints on energy and bandwidth, operating in dynamic and unpredictable environments. By exploiting the broadcast nature of the wireless medium and spatially dispersed nodes, some of these advantages can be realized through cooperation among...
Briefs: Electronics & Computers
Automated Data Acquisition for a Prognostics and Diagnostics Health Monitoring System
A highly flexible automated prognostics and diagnostics sensor module (PDSM) prototype is presently under development to be incorporated for data...
Briefs: Electronics & Computers
Heterogeneous System-on-a-Chip for Self-Powered Wireless Sensor Networks
A new dimension of system architecture design is emerging where hundreds to thousands of ultralight (
Briefs: Electronics & Computers
Polypeptide-Based Molecular Electronics
Polypeptide supramolecules that will self assemble from solution and will form molecular wires that exploit quantum mechanical transport mechanisms can enable the formation of molecular devices such as...
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