All About Circuits

Latest Wireless/RF Articles and Videos

Categories

New Pre-Driver Offers High Linearity, Compression Over Large Bandwidths

New Pre-Driver Offers High Linearity, Compression Over Large Bandwidths

With more carriers comes more concerns about bandwidth—something Guerilla RF addresses with its newest power amplifier.


News Jul 25, 2024 by Aaron Carman
Understanding Inductors With Gapped Cores

Understanding Inductors With Gapped Cores

In this article, we explore the advantages of introducing an air gap to the magnetic core of an inductor.


The Wireless Alphabet Flasher: A Radio Shack Classics Circuit Remix

The Wireless Alphabet Flasher: A Radio Shack Classics Circuit Remix

In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.


Projects Jul 21, 2024 by Don Wilcher
Controlling and Preventing Core Saturation in Inductors

Controlling and Preventing Core Saturation in Inductors

Core saturation is one of the main limitations on the design of magnetic components. In this article, we explore how different factors—particularly the number of turns—impact the core saturation of an inductor.


Microchip, Infineon, and Qorvo Go to Space With New Rad-Hard Devices

Microchip, Infineon, and Qorvo Go to Space With New Rad-Hard Devices

New transistors, memory devices, and RF modules defy the radiation-saturated conditions of space.


News Jul 15, 2024 by Darshil Patel
Using Permeability to Understand Magnetic Core Saturation

Using Permeability to Understand Magnetic Core Saturation

In this article, we learn about core saturation and why it should be avoided in most applications. We then examine how different ways of defining permeability can help us predict the saturation flux density of a magnetic core.


Makers and Learners Rejoice! Arduino Debuts Plug and Make Kit

Makers and Learners Rejoice! Arduino Debuts Plug and Make Kit

In an effort to reduce the burden of wiring for learning and rapid prototyping, today Arduino has revealed a new system of plug-and-play components leveraging the new UNO R4 with Qwiic connectors and Wi-Fi.


Taoglas Reveals First GNSS Patch-in-a-Patch Antenna

Taoglas Reveals First GNSS Patch-in-a-Patch Antenna

The new product reduces antenna height by 50% compared to competitive offerings.


News Jul 09, 2024 by Jake Hertz
Understanding How Laminated Cores Reduce Eddy Current Loss

Understanding How Laminated Cores Reduce Eddy Current Loss

Eddy currents are a major loss mechanism in transformer cores. This article provides both in-depth and simplified explanations of how core laminations work to mitigate the effects of eddy currents.


5G and IoT: What Will It Take for Them to Get Along?

5G and IoT: What Will It Take for Them to Get Along?

5G and IoT seem perfect together—large network capacity meets billions of connected devices. Thomas Keller of u-blox discusses competing technical and economic goals that make this a troubling marriage and identifies new developments that might provide a path forward.


My Favorites From Sensors Converge 2024

My Favorites From Sensors Converge 2024

A short recap of some of the most interesting technologies I was able to see while walking the show floor this year.


News Jun 28, 2024 by Dale Wilson
Understanding Magnetic Field Energy and Hysteresis Loss in Magnetic Cores

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.


Understanding Dimensional Resonance in High-Frequency Magnetic Cores

Understanding Dimensional Resonance in High-Frequency Magnetic Cores

In this article, we explore the effect of dimensional resonance on the magnetic field distribution in high-frequency ferrite cores.


Researchers Take Inspiration From Superman’s X-Ray Vision for Imaging Chip

Researchers Take Inspiration From Superman’s X-Ray Vision for Imaging Chip

A research team at the University of Texas at Dallas has turned to radar to reveal hidden objects—illuminating the potential of true terahertz imaging.


News Jun 17, 2024 by Aaron Carman
Understanding the Effect of Eddy Currents on the High-Frequency Behavior of Magnetic Cores

Understanding the Effect of Eddy Currents on the High-Frequency Behavior of Magnetic Cores

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable effects, we first need to understand them.


Changing the World One Wireless RF Chip at a Time

Changing the World One Wireless RF Chip at a Time

David Su, co-founder and CEO of Atmosic, is aiming to change the world…again! Today, he is helping develop low-power RF ICs to reduce the battery waste created by the billions of wireless and IoT devices in use.


Qorvo Claims ‘Industry’s Highest Gain’ Pre-Driver for 5G Massive MIMO

Qorvo Claims ‘Industry’s Highest Gain’ Pre-Driver for 5G Massive MIMO

The new device helps to ensure linearity and high performance in 5G signal chains.


News Jun 03, 2024 by Jake Hertz
Using Complex Permeability to Characterize Magnetic Core Losses

Using Complex Permeability to Characterize Magnetic Core Losses

In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the losses of a magnetic core.


Broadcom Claims First 5 nm Ethernet Adapter for AI Networking

Broadcom Claims First 5 nm Ethernet Adapter for AI Networking

To handle modern data loads, Broadcom has leveraged the 5-nm process node in its new Ethernet NIC to improve efficiency without sacrificing performance.


News May 27, 2024 by Aaron Carman
RENESAS ELECTRONICS DA14695MOD Multi-Core BLUETOOTH® 5.2 Modules | New Product Brief

RENESAS ELECTRONICS DA14695MOD Multi-Core BLUETOOTH® 5.2 Modules | New Product Brief

Renesas / Dialog DA14695MOD Multi-Core BLUETOOTH® 5.2 Modules leverage the advanced SmartBond DA14695 BLUETOOTH Low Energy 5.2 SoC, integrating key hardware features and capabilities. Watch and learn all about their features, specs, applications, and more!