All About Circuits

Latest Communication Articles and Videos

Categories

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
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
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.


Common-Mode Noise in Differential Transmissions: Characteristics and Causes

Common-Mode Noise in Differential Transmissions: Characteristics and Causes

High-speed data transmission interfaces such as USB, HDMI, and Ethernet use differential signaling due to its superior noise immunity. Even so, some noise still appears. To remove it, we need to understand where it comes from and why.


Innovation Shined at Embedded World 2024

Innovation Shined at Embedded World 2024

Enjoy this taste of the rich collection of technology news from last week’s Embedded World trade show in Nuremberg, Germany.


News Apr 20, 2024 by Jeff Child
What’s the Difference Between RS-232 and RS-485?

What’s the Difference Between RS-232 and RS-485?

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available from RS-232. Learn more in this article.


At Silicon Labs, Wireless IoT is Only The First Step in Rethinking Product Design

At Silicon Labs, Wireless IoT is Only The First Step in Rethinking Product Design

Daniel Cooley, CTO and SVP of Technology and Product Development, has spent nearly 20 years at Silicon Labs. He discusses today’s cutting-edge wireless and IoT technologies and where he thinks they are heading over the next 50 years.


All About Circuits Looks Ahead at Embedded World 2024

All About Circuits Looks Ahead at Embedded World 2024

Check out the technologies and products these leading companies plan to showcase at next week's Embedded World trade show in Nuremberg, Germany.


News Apr 03, 2024 by Jeff Child
How the Bluetooth ESL Standard Aims to Replace Billions of Retail Paper Labels

How the Bluetooth ESL Standard Aims to Replace Billions of Retail Paper Labels

In this news analysis piece, Nathatisi examines the details of the Bluetooth SIG’s Electronic Shelf Label (ESL) standard and explores its significance.


News Feb 20, 2024 by Nthatisi Hlapisi
Silicon Labs and Arduino Team Up to Democratize Matter

Silicon Labs and Arduino Team Up to Democratize Matter

Matter-over-Thread applications are now more accessible to Arduino's developer community of 33 million.


News Feb 12, 2024 by Jake Hertz
TE CONNECTIVITY U5601 Wireless Pressure Transducer | New Product Brief

TE CONNECTIVITY U5601 Wireless Pressure Transducer | New Product Brief

TE Connectivity's U5601 Wireless Pressure Transducer, featuring BLE 4.2 communication, offer high-resolution digital output, battery monitoring, and customizable data updates via a mobile app. Watch and learn all about their features, specs, applications, and more!


Renesas Hits Milestone for Lowest Power-Consuming BLE SoC

Renesas Hits Milestone for Lowest Power-Consuming BLE SoC

Renesas says the new SoC effectively walks the tightrope between on-chip memory and die size.


News Jan 26, 2024 by Jake Hertz
MCUs, Modules, and Add-On Boards Lend Bluetooth Support

MCUs, Modules, and Add-On Boards Lend Bluetooth Support

Three Bluetooth offerings from STMicroelectronics, Mikroe, Atmosic, and GlobalScale aim to simplify the development of connected devices.


News Jan 13, 2024 by Jake Hertz
Introduction to the Class B Power Amplifier

Introduction to the Class B Power Amplifier

How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers in this article.


Learn About Load-Pull Systems: Passive and Active Tuners

Learn About Load-Pull Systems: Passive and Active Tuners

In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their advantages, their disadvantages, and the methods by which they synthesize impedance.


Using the Load-Pull Technique in RF Power Amplifier Design

Using the Load-Pull Technique in RF Power Amplifier Design

The output power and efficiency of a power amplifier (PA) are highly dependent on its load terminations. Learn how to characterize a PA's performance by analyzing load lines and estimating the load-pull contours of constant output power.


Building and Certifying an Open-Source IoT Controller, Part 3: Manufacturing and Testing

Building and Certifying an Open-Source IoT Controller, Part 3: Manufacturing and Testing

This four-part series walks through the development of the Anthilla Controller, an open-source Internet of Things (IoT) hardware platform. In Part 3, we cover the manufacturing, assembly, and product testing of the board.


Editor’s Choice: Our Top 7 Technical Articles of 2023

Editor’s Choice: Our Top 7 Technical Articles of 2023

As we look back on the year, let’s take a look at All About Circuits’ most popular and memorable technical content.


News Dec 26, 2023 by Dale Wilson
A Look Back on 50 Years With the Cellphone

A Look Back on 50 Years With the Cellphone

As we look back on 2023, we give tribute to the 50th anniversary of the cellphone. After half a century, this device is almost unrecognizable from its two-pound form in the 70s and 80s.


News Dec 11, 2023 by Aaron Carman