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Electronics & Computers

Two-Phase Electronics Cooling for Vehicle Applications

Replacing many of the traditional mechanical power and control systems with electronic equivalents will enable significant improvements by reducing weight, lowering fuel usage, increasing...

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Briefs
Data Acquisition

Development and Test of a Medium-Voltage Converter for Ocean Observatories

A critical component in regional-scale undersea power systems is the medium-voltage converter (MVC). The MVC is a DC-DC converter in the primary network infrastructure...

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Briefs
Electronics & Computers

Compact Superconducting Power Systems for Airborne Applications

In the development of future airborne megawatt-class power generation, it is important to minimize both the size and the weight of the system. The primary means of increasing the...

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Briefs
Electronics & Computers

Airbrush-Fabricated Carbon Nanotube Supercapacitor Electrodes

In order for the batteries used by soldiers to provide peak power, an increase in battery size and weight is necessary, which is becoming a burden. A light, compact alternative to...

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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...

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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 cantilever to bow upwards 400...

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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 scalability...

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 electrical...

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 logic...

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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 and...

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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

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 to...

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Briefs
Electronics & Computers

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 through...

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 with...

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