RF & Microwave Electronics

Antennas

Explore articles, technical briefs, and news essential to design engineers working with Antennas and RF Systems. Find information on next-generation antenna designs and RF systems devices.

Latest Briefs & News

Briefs : RF & Microwave Electronics
Method Enables Robots to Exchange Directed Messages
Method Enables Robots to Exchange Directed Messages

A novel approach was developed to improve communications range and allow for covert behavior using a team of robots for future multi-domain operations. Specifically, researchers...

Method Enables Robots to Exchange Directed Messages
Briefs : Manufacturing & Prototyping
Method Produces Three-Dimensional, Curved Electronics
Method Produces Three-Dimensional, Curved Electronics

Contact lenses that can monitor the wearer’s health and correct eyesight use embedded electronics. These, and other curved devices such as solar cells and electronics, could be...

Method Produces Three-Dimensional, Curved Electronics
Briefs : RF & Microwave Electronics
Passive Smart Container
Passive Smart Container

Although Radio Frequency Identification (RFID) technology is being used widely for pallet and box-level tracking in the commercial sector, significant technology gaps remain for tracking dense quantities at the item...

Passive Smart Container
Blog : Aerospace
AUSA 2019: Eyes in the Sky
AUSA 2019: Eyes in the Sky
It just wouldn’t be a military technology show without a few drones on display.
AUSA 2019: Eyes in the Sky
Blog : Electronics & Computers
AUSA 2019: Military Preps for Open Sensor Standards
AUSA 2019: Military Preps for Open Sensor Standards
SOSA, the Sensor Open Systems Architecture Consortium, held a press conference on Monday afternoon at AUSA 2019.
AUSA 2019: Military Preps for Open Sensor Standards
Briefs : RF & Microwave Electronics
Wireless Transceiver Quadruples Speed of 5G
Wireless Transceiver Quadruples Speed of 5G

A new wireless transceiver was developed that boosts radio frequencies into 100-gigahertz territory, which is quadruple the speed of the upcoming 5G, or fifth-generation, wireless communications...

Wireless Transceiver Quadruples Speed of 5G
Briefs : Robotics, Automation & Control
Technique Locates Robots and Humans in GPS-Challenged Environments

An algorithm enables localization of humans and robots in areas where GPS is unavailable. The Army needs to be able to localize agents operating in physically complex, unknown, and infrastructure-poor environments. This capability is critical to help find dismounted soldiers and...

Briefs : Imaging
Multi- and Wide-Band Single-Feed Patch Antenna

A novel patch antenna technology was developed that provides significant benefits to NASA satellite communication applications, offering a unique wide-band/multi-band operating capability. For other non-space applications, the antenna design also offers broadband capability with high gain for...

Briefs : Software
Antenna Near-Field Probe Station Scanner

Antenna characterization techniques are often expensive and time-consuming. NASA’s Glenn Research Center developed a highly versatile and automated system to perform characterization of single or multiple small circuit antennas, printed on-wafer or on other substrates, by measuring the antenna’s...

Facility Focus : Materials
Facility Focus: Georgia Tech Research Institute
Facility Focus: Georgia Tech Research Institute

The Georgia Tech Research Institute (GTRI) is the nonprofit applied research division of the Georgia Institute of Technology (Georgia Tech) in Atlanta, GA. Founded in 1934 as the Engineering...

Facility Focus: Georgia Tech Research Institute
Briefs : Energy
Compact Antenna Enables Communication Where Radios Fail
Compact Antenna Enables Communication Where Radios Fail

A pocket-sized antenna was developed that could enable mobile communication in situations where conventional radios don’t work such as underwater, through the ground, and over very...

Compact Antenna Enables Communication Where Radios Fail
Briefs : Semiconductors & ICs
Textile Cools or Insulates Automatically
Textile Cools or Insulates Automatically

Researchers have created a fabric that automatically regulates the amount of heat that passes through, depending on conditions; for example, when conditions are warm and moist — such as those of a...

Textile Cools or Insulates Automatically
Briefs : Electronics & Computers
Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices
Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices

Researchers have created technology that is 10 times more reliable than current methods of producing unclonable digital fingerprints that can be used to...

Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices
Briefs : Test & Measurement
More Sensitive Measurement of Semiconductor Material Quality
More Sensitive Measurement of Semiconductor Material Quality

Accurately measuring semiconductor properties of materials in small volumes helps engineers determine the range of applications for which these materials may be suitable in the...

More Sensitive Measurement of Semiconductor Material Quality
Articles : RF & Microwave Electronics
Products of Tomorrow: July 2019
Products of Tomorrow: July 2019

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Products of Tomorrow: July 2019
Briefs : Electronics & Computers
Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars
Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars

There's an entire world our eyes miss, hidden in the ranges of light wavelengths that human eyes can't see. But infrared cameras can pick up this light emitted as...

Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars
Special Reports : Aerospace
RF & Microwave Electronics

In this compendium of recent articles from the editors of Aerospace & Defense Technology and Tech Briefs, read about how high-frequency electronics advances are enabling new applications in space communications, aviation, the military and more.

Briefs : Aerospace
Generating Electrical Power from Waste Heat
Generating Electrical Power from Waste Heat

Directly converting electrical power to heat is easy; however, converting heat into electrical power is not as easy. To address this issue, a tiny silicon-based device was developed that can...

Generating Electrical Power from Waste Heat
Briefs : Test & Measurement
High-Performance, Current-Steering Digital-to-Analog Converter
High-Performance, Current-Steering Digital-to-Analog Converter

A current-steering digital-to-analog converter (DAC) was developed that achieves improved switching times (up to 75% faster) in high-speed (gigahertz), high-resolution (8-14...

High-Performance, Current-Steering Digital-to-Analog Converter
Q&A : Electronics & Computers
Q&A: NASA's Dr. Mahmooda Sultana Makes Multifunctional Sensors

Dr. Sultana won funding to advance a nanomaterial-based detector platform that can sense environmental parameters from minute concentrations of target gases and vapors, to atmospheric pressure and temperature, and then transmit that data via a wireless antenna — all from the same 3...

Briefs : Imaging
The Teletenna — a Hybrid Telescope Antenna System
The Teletenna — a Hybrid Telescope Antenna System

Innovators at NASA’s Glenn Research Center have developed a hybrid telescope antenna system — Teletenna — to deliver high-data-rate communication over great distances. Teletenna has...

The Teletenna — a Hybrid Telescope Antenna System
Briefs : Electronics & Computers
Multi-Purpose, Flexible Wing Structure for Small Unmanned Aerial Systems

Small unmanned aircraft systems (UAS), also known as micro air vehicles, are promising tools for a variety of military and commercial applications. Some small UAS have flexible wings and are lightweight, making them back-packable and easy to deploy. Most UAS that are...

Articles : Aerospace
Lightweighting in Aerospace Component and System Design
Lightweighting in Aerospace Component and System Design

Lightweighting design is an extensively explored and utilized concept in many industries, especially in aerospace applications, and is associated with the green aviation concept. The...

Lightweighting in Aerospace Component and System Design
Briefs : Sensors/Data Acquisition
Microchip Tracks Smart Pills
Microchip Tracks Smart Pills

Researchers have developed a prototype miniature medical device that could ultimately be used in smart pills to diagnose and treat diseases. A key to the new technology is that its location can be precisely...

Microchip Tracks Smart Pills