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 : Mechanical & Fluid Systems
Wraparound Self-Structuring Leaky-Wave Antenna (WSS-LWA)
This system has applications in the smart grid and military.
The flat structure morphs into another shape when temperature changes, enabling self-deploying tents or adaptive robotic fins.
This atom-based receiver has the potential to be smaller and work better in noisy environments than conventional radio receivers.
A nanoantenna-enabled detector boosts the usable signal of a thermal infrared camera by up to three times.
See how software supported the design of an advanced antenna.
This electronic pill can relay diagnostic information or release drugs in response to smartphone commands.
These stickers wirelessly beam health readings to a receiver clipped onto clothing.
The reader uses a frequency multiplexer to boost its ability to accurately locate a greater number of RFID tags.
Briefs : Electronics & Computers
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...

Briefs : RF & Microwave 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...

Briefs : Semiconductors & ICs
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...

Blog : Aerospace
AUSA 2019: Eyes in the Sky
It just wouldn’t be a military technology show without a few drones on display.
SOSA, the Sensor Open Systems Architecture Consortium, held a press conference on Monday afternoon at AUSA 2019.

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...

Briefs : RF & Microwave Electronics
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 : Communications
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 : RF & Microwave Electronics
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 : Test & Measurement
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...

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...

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...

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

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...

Articles : Electronics & Computers
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...

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...

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...

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...

Q&A : Test & Measurement
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...

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...

Special Reports : Aerospace
RF & Microwave Electronics - April 2019

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.

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