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.

Stories

Articles: Aerospace

Products of Tomorrow

Nanotube fibers that turn heat to power; a NASA antenna system; and an antimicrobial coating.

Special Reports: Manufacturing & Prototyping

Space Technology - October 2021

A new era of space exploration is set to begin with Artemis 1, the first in a series of increasingly complex NASA missions that will take humans back to the moon and then on to Mars. Read all about it in this...

Articles: Software

What Will 5G Do for the IoT/IIoT?

To find out about the impact of 5G mobile broadband service on the IoT/IIoT, I interviewed Jai Suri, Vice President, IoT and Blockchain Applications Development, Oracle, and Mike Anderson, Embedded Systems...

Articles: Test & Measurement

Energy Harvesting Can Enable 1 Trillion Battery-Free Sensors in the IoT

A tiny investment in system capital expenditures can lead to huge rewards in reduced capital and operating expenses.

Briefs: Communications

System Harvests Energy from Radio Waves to Power Wearable Devices

The electricity can be used to power wireless devices or to charge energy storage devices such as batteries and supercapacitors.

Briefs: RF & Microwave Electronics

Radio Signals Image Hidden and Speeding Objects

This method could help firefighters find victims inside buildings and could track hypersonic objects such as missiles and space debris.

Briefs: Electronics & Computers

Tiny, Wireless, Injectable Chips Use Ultrasound to Monitor Body Processes

Implantable chips visible only in a microscope point the way to developing chips that can be injected into the body with a hypodermic needle to monitor medical conditions.

Facility Focus: RF & Microwave Electronics

Facility Focus: The Pennsylvania State University School of Engineering

Learn about the batteries, skin sensors, flexible antennas, and other cutting-edge research coming from Penn State Engineering.

Briefs: Communications

Atom-Based Radio Communications

An atom-based sensor can determine the direction of an incoming radio signal.

Briefs: Imaging

Multiplexed Optical Antennas

These antennas dramatically increase the amount of information that can be simultaneously transmitted by a coherent light source.

Briefs: Electronics & Computers

Conformal, Lightweight, Aerogel-Based Antenna

The flexible antenna was designed for active aeronautical satellite communications.

Briefs: RF & Microwave Electronics

Wireless, Wearable Transmitter

The wearable antenna bends, stretches, and compresses without compromising function.

Briefs: Photonics/Optics

Say Goodbye to the Dots and Dashes to Enhance Optical Storage Media

To modernize optical storage, Purdue researchers are replacing Morse code with colored “digital characters.”

Blog: RF & Microwave Electronics

'm-Widar' Uses Radio Waves to Image Hidden Objects

With the help of 12 antennas, Fabio da Silva's m-Widar can spot — and image — objects hidden behind a wall.

Application Briefs: Data Acquisition

Next-Generation MEMS IMUs — High Performance, Scalable

Editor Ed Brown explores what’s ahead for MEMS automobile navigation systems.

Briefs: Robotics, Automation & Control

Nanosized Foldable Robots

The machines fold themselves within 100 milliseconds and can flatten and refold thousands of times.

Blog: Photonics/Optics

With 'Ghost'-Like Physics, Optical Rectennas Generate Power from Wasted Heat

Researchers from CU Boulder gave their optical "rectennas" a ghost-like way to turn wasted heat into power.

Briefs: IoMT

RFID-Based Rotary Position Sensor

Innovators have developed an RFID-based system for sensing the angular position of rotating systems. The RFID-Based Rotary Position Sensor can be used as a position/orientation sensor or implemented in a...

Briefs: RF & Microwave Electronics

High-Power Microwaves for Launching Space-Bound Rockets

Using microwaves reduces the cost of launching rockets.

Special Reports: Weapons Systems

RF & Microwave Electronics - May 2021

In this compendium of recent articles from the editors of Aerospace & Defense Technology and Tech Briefs, read about how advances in RF electronics are enabling new applications in space and ground...

Special Reports: Test & Measurement

Aerospace & Defense Sensing - April 2021

A microwave radiation sensor offers 100,000 times greater sensitivity...Nature-inspired sensors help autonomous machines to see better...New accelerometers aid the development of Electric Vertical...