Solving the Five Hard Problems of NFC Antenna Integration at 13.56 MHz - EE Times
Solve 13.56 MHz NFC antenna integration challenges with expert engineering solutions for metal shielding, placement limits, and chipset matching.
antennas
T-Mobile rips into Starlink's mobile 'threat'
Dual-band four-element MIMO antenna array for 5G millimeter-wave communication - Scientific Reports
Scientific Reports - Dual-band four-element MIMO antenna array for 5G millimeter-wave communication
Sunday School: Starlink and Link-Budget 101! There are many people who think that SpaceX can do d2d indoors but "Ye cannae change the law…
Sunday School: Starlink and Link-Budget 101! There are many people who think that SpaceX can do d2d indoors but "Ye cannae change the law of physics". RF is RF, from a satellite 550km away, or a Cell site 1km away. Your phone needs a signal above around -110dBm for a poor…
Backscatter Radar Site in Christmas Valley
The forlorn remains of a late Cold War radar installation are decaying in the Oregon desert
Starlink’s V5 dish is now available — here’s how it compares
SpaceX’s Starlink V5 is available now in select areas as the company ramps up production globally. It’s smaller, lighter, and uses less energy than the V4 dish.
What is a Smith Chart?
An interactive introduction to the chart at the heart of RF engineering.
Space Force officially has its own weapon for taking out satellites
Space Force’s newest tool blinds enemy spacecraft from the ground to disrupt their communications and tracking systems.
The Tiny Antenna Breaking Physics to Unlock Terahertz Communications
A new triple-patch design squeezes impossible performance from a sub-millimeter antenna array, clearing the path to 6G networks and beyond.
Up to 100 gigawatts: China unveils its high-power microwave weapon arsenal
Defence scientists say the technology could threaten low Earth orbit satellite networks such as Starlink at an extremely low cost.
RF Engineering is Black Magic
Tribal knowledge of RF design, EV range vs. temperature on the dyno, OpenAI's expanding robotic division, and more.
Wireless Network Turns Interference Into Computation
Sensor networks could improve capacity faster than they grow
NASA’s Artemis II laser communications system is beaming 4K video from the moon
A new laser system aboard NASA’s Orion spacecraft is sending sharper video and more data back to Earth
microwave
NASA’s Near Space Network and Deep Space Network of giant radio antennas
Lumotive Debuts ‘World’s First 2D Photonic Beamforming Chip’
The startup's programmable chip uses a metasurface architecture to control light without moving parts.
How to make a Smith chart
Deriving the basic mathematical properties of the Smith chart from electrical engineering
Antenna Innovations Come in Sizes Ranging from a Stamp to a School Bus
In this roundup, we spotlight small, medium, and large antenna announcements fortifying communication across industries, from drones to satellites.
A shape-changing antenna for more versatile sensing and communication
MIT researchers developed a method to design and fabricate reconfigurable antennas with adjustable frequency ranges. Users can adjust the frequency by squeezing, bending, or stretching the material, making the antenna more versatile for sensing and communication than traditional…
auxetic metamaterials, which can deform into three different geometric states
resonance frequency,
Powering Planes With Microwaves Is Not the Craziest Idea
If you don’t mind massive ground antennas and fried birds, that is
The Promise of Terahertz Technology
THz radiations finds unique applications in astronomy, medicine and communications, but not without its own distinct challenges.
Exploring State-of-the-Art Commercial Automotive Radar Solutions
Digital radar, satellite configurations, distributed apertures and all range radar.
How Automotive Radar uses Chirp Signals for Sensing
Understanding the engineering behind how your car can see, adapt and save your life.
How Automotive Radar Measures the Velocity of Objects
How to design the perfect chirp signal for distance and velocity measurement.
Radios, how do they work?
A brief introduction to antennas, superheterodyne receivers, and signal modulation schemes.
Understanding Magnetic Field Energy and Hysteresis Loss in Magnetic Cores
In this article, we use the concept of magnetic field energy to explore the relationship between a core's hysteresis loss and its B-H curve.
A transport protocol’s view of Starlink
How TCP interacts with the characteristics of the Starlink service.
Lightweight woven antenna could replace field-deployed dishes
Ordinarily, in order to establish communications at locations such as disaster sites, rescuers have to transport and set up relatively bulky, costly satellite dishes. Soon, however, a simple tubular antenna made of woven strips of material may get the job done.
Simulation 104: Electromagnetic Mapping with Vector Fields
Modeling electric and magnetic fields
A Brief Introduction to Slot Antennas
Learn about slot antennas, namely their history, characteristics, and electromagnetic (EM) behavior for low-voltage, small-form-factor electronic devices.
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Share Files With a Fist Bump: Wi-R Confines Signal to a User’s Body
The latest wireless protocol ditches radiation and focuses on a new medium: your body.
Mismatch Loss and Mismatch Uncertainty in RF Systems
Learn more about RF wave reflection parameters, namely mismatch loss and mismatch uncertainty.
RF Design Basics: VSWR, Return Loss, and Mismatch Loss
Learn about voltage standing wave ratio (VSWR), return loss, and mismatch loss, which helps characterize the wave reflections in a radio frequency (RF) design.
Researchers Tap Origami as Basis for Reconfigurable Antenna Design
Aimed at improving sensing and imaging systems, Princeton University researchers have developed a reconfigurable antenna based on origami.
Microstrip Antenna Design
This e-book explores microstrip antenna design, highlighting the single-element rectangular microstrip antenna and antenna arrays constructed from single microstrip elements.
An Introduction to Antenna Basics - Technical Articles
Antennas are used to transmit and receive electromagnetic energy. This article covers basic antenna theory.
Newly funded Cohere eyes huge prize in beamforming battle
If the company's technology lives up to its promise in a commercial setting, Cohere will be hard to resist or ignore.
Understanding Butterworth Filter Poles and Zeros - Technical Articles
This article explores the Butterworth low-pass filter, also known as the maximally flat filter, from the perspective of its pole-zero diagram.
Antenna Basics: Radiation Patterns, Permittivity, Directivity, and Gain - Technical Articles
Antennas allow information to be transferred to distant locations. In the second part of this Antenna Basics series, you will learn more about the physics of how antennas work.
A Beam-Steering Antenna for 5G Mobile Phones
For the first time, a beam-steering antenna is integrated into the metal casing of a mobile phone
Issues In Designing 5G Beamforming Antennas
5G Beamforming Antennas Create Design, Test Problems Assuring quality under changing conditions with shifting standards and use models is a major challenge.
Antenna Design Grows Up
Antenna Design Grows Up Modern electronics relies heavily on antennas, but companies still make mistakes. That's about to change.
How to Use a Nyquist Plot for AC Analysis - Technical Articles
This article introduces the Nyquist plot and explains how to interpret this alternative method of visually evaluating a system’s frequency response.
The Antenna Theory Website
An intuitive tutorial of antennas and antenna theory. This website is designed to present a comprehensive overview of antennas, from design, to measurement and theory. Unnecessarily complicated math is avoided throughout.
The Role of Millimeter Waves in Ever-Expanding Wireless Applications - News
Millimeter wave frequencies have the potential to provide a solution to the growing demand for bandwidth and high-speed communication needs.
Building Your Own Faraday Cage
A Faraday cage is an enclosed space with an outer layer that conducts electricity. The physical shape of the Faraday cage does not matter: it can be spherical, cylindrical, or a box. Either the cage itself can be made of a conductive material, or the cage can be built of a…
MIMO radar antenna arrays
Short introduction to multiple input multiple output (MIMO) radar antenna arrays
Optical Antennas Promise ‘Unlimited’ Data Capacity
The breakthrough is taking full advantage of the orbital angular momentum properties of a coherent light source, thus enabling multiplexing.
Manhole Covers Hide Antennas
5G is gearing up to be the most extensive implementation of mesh networking ever, and that could mean antennas will not need to broadcast for miles, just far enough to reach some devices. That unsi…
Shape-shifting origami could lead to better radio antennas
A special kind of origami folding called Miura Ori could help make antennas that can block out certain radio frequencies or next-gen cloaking tech.