Electrical, Electronics, and Avionics
Capacitors

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Articles
Energy

Charge Control Methods for Supercapacitors

A comparison of passive and active supercapacitor charging methods emphasizes the need for a close inspection on power source and supercapacitor demand.

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Technology Report
Energy

‘Laxatives’ May Ease Challenge of Lithium-Ion Alternative

The R&D dimension of the automotive industry often reveals novel solutions and cross-linking between materials, but a team of international scientists has come up with...

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News
Electronics & Computers

Goodfellow Corporation Offers Graphene Variant Produced Through a New “Metal-Free” Methane Process

Coraopolis, Pennsylvania-based Goodfellow Corporation (Goodfellow) is taking graphene and going “green,” offering an ultra-pure,...

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News
Manned Systems

Nano Dimension Creates the First Printed Circuit Boards with Side-Mounted Features

Nano Dimension Ltd., an additive electronics provider based in Ness Ziona, Israel, has developed the world’s first side-mounting technology for printed...

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News
Propulsion

AIA Predicts Flying Air Taxis, Supersonic Air Travel, and Space Industry for 2050

Arlington, Virginia-based Aerospace Industries Association (AIA) has collected input from leaders in the aerospace and defense industries and built a...

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News
Mechanical & Fluid Systems

Filtering out Common Mode Noise with Monolithic EMI Filters

Strong electromagnetic waves can create unwanted electrical currents in electronic devices. Sources of electromagnetic interference (EMI), also known as radio-frequency...

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News
Connectivity

Air Mobility Innovations Take Center Stage at Aerospace Systems and Technology Conference

Hundreds of aerospace executives, engineers, scientists, and academics are gathering in London this week for Aerospace Systems and Technology...

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News
Nanotechnology

Nano-Based Ultracap Tech Boosts EV Power Density

French nanomaterials specialist NAWA Technologies is aiming to bring a new dimension to the automotive industry’s use of the word “hybrid.” It is aiming to link high efficiency new...

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News
Defense

Rolls-Royce and Superdielectrics Explore Supercapacitor Technology

Last month, Rolls-Royce signed a collaboration agreement with UK-based technology start-up Superdielectrics Ltd to create next-generation, high-energy storage...

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News
Energy

Avoiding EMI

Aircraft produced and operated today increasingly rely electrical and electronic equipment to perform various functions. If one of these electronic functions were to fail, the impact felt by, say, a passenger jet could be...

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Articles
Aerospace

High-Reliability Capacitors

Maintaining technological superiority remains critical for national defense forces. Many face informal adversaries that are adept at harnessing today’s sophisticated civilian technologies, like mobiles, M2M...

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Briefs
Defense

Fabricating Transparent and Stretchable Supercapacitors Based on Wrinkled Graphene Electrodes

Stretchable electronic devices, including solar cells, light-emitting diodes, batteries, and textile supercapacitors, have been developed to retain...

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Articles
Aerospace

Power Loss and Data Integrity in Military SSDs

For the defense industry, NAND Flash, with its lack of moving parts, has made it the common storage medium for a variety of field applications. With its small size, low power usage, high...

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Articles
Sensors/Data Acquisition

Oil Pipeline Fault Detection System Determines Material Permittivity at Microwave Frequencies

Researching fault location techniques for the oil industry requires data on the complex permittivity of the polyamide Rilsan at microwave...

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Articles
RF & Microwave Electronics

Improving Signal to Noise Ratios in Defense Electronics

As a vertical market, “defense electronics” encompasses a huge range of systems, from portable communications to transportation, avionics, and shipborne radar. While the power...

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Articles
Aerospace

Solving the Power/Energy Paradox for High-Power Defense Applications

While often used interchangeably, power and energy are not the same. Energy is the capacity to perform and power is the rate at which that capacity is exercised — the...

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Briefs
Electronics & Computers

CMOS-Memristor Hybrid Nanoelectronics

The memristor is the fourth fundamental passive electronic device in addition to the resistor, capacitor, and inductor. By integrating with complementary metal oxide semiconductor (CMOS) devices, memristors show promise for development of revolutionary new nanoelectronic computing architectures with...

Articles
Aerospace

Choosing a Capacitor for Use as a Switch-Mode Power Supply Filter

Input filter caps need to be able to supply a quick burst of energy and to suppress noise generated in the switch circuit. Important considerations for the input filter cap...

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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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Articles
Aerospace

Passive Devices Designed to Improve Signal-to-Noise Ratios in Defense Electronics

While power architectures of defense electronics are extremely diverse, all have common operational demands: they must be robust (shock, vibration, temperature...

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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...

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Articles
RF & Microwave Electronics

Microwave Energy Transmission for Aircraft

Unmanned aerial vehicles, or UAVs, are used in many applications to gather intelligence without risking human lives. These aircraft, however, have limited flight time because of their reconnaissance...

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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...

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Briefs
Materials

Characterization of High-Temperature Polymer Thin Films for Power Conditioning Capacitors

Wide bandgap semiconductors (e.g., silicon carbide) will enable operation of military systems at temperatures above 150 °C, which eases thermal...

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Briefs
Physical Sciences

Reducing Thicknesses of PbZrₓTi₁₋ₓO₃ Films in Capacitors

A document describes experiments performed to determine effects of reducing the thicknesses of films of lead zirconate titanate (PbZrxTi1-xO3, wherein 0<x<1) used as ferroelectric dielectric layers in some capacitors. The fabrication of...

Briefs
Information Technology

Study of Submodeling of a Small Component in a Structure

A study was performed to evaluate the accuracy achievable in the use of submodeling in finite-element modeling of the mechanical response of a structural system that includes...

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Briefs
Electronics & Computers

High-Voltage, High-Temperature Power Electronics Capacitor

A novel high-temperature, high-voltage power electronics capacitor incorporates materials of construction and electrical components that have been initially designed as a segment of...

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Briefs
Electronics & Computers

High-Cycle Life Testing of RF MEMS Switches

The electromechanical, RF, and charging properties of an "air-gap" capacitive switch enable it to be utilized in high-cycle life testing. Monitoring both high-speed and low-speed switching...

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Briefs
Materials

Oxide and Nitride Films for Tunable Capacitors and HEMTs

A report describes research on thin oxide films intended for use as variable-high-permittivity dielectrics in advanced tunable capacitors and on thin nitride films as starting materials for advanced high-electron- mobility transistors (HEMTs). In this research, a custom...