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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
Happy Holidays—It’s a People Business We’re In, and It Always Has Been

Happy Holidays—It’s a People Business We’re In, and It Always Has Been

On this Christmas day, let’s remember that this is a people business. Enjoy this round up of 2023 articles about people that performed extraordinary engineering work throughout history.


News Dec 25, 2023 by Jeff Child
Is Every Conductor an Antenna?

Is Every Conductor an Antenna?

Learn how conductive circuit components can function as antennas, even when they aren't intended to.


I’m Thankful for These 6 EE Online Resources on All About Circuits

I’m Thankful for These 6 EE Online Resources on All About Circuits

On Thanksgiving today, Jeff reflects on how electronics technology enables all our amazing devices, and shares six useful All About Circuits online resources to be thankful for.


News Nov 23, 2023 by Jeff Child
Understanding Wi-Fi Design Choices: Wi-Fi 6/6E vs. Wi-Fi 7 and MLO

Understanding Wi-Fi Design Choices: Wi-Fi 6/6E vs. Wi-Fi 7 and MLO

Learn the optimal Wi-Fi version, flavor and configuration to select for your application—considering feature sets, costs, and power consumption. Get up to speed on MIMO, MU-MIMO, MU-OFDMA, and more.


Keysight Unwraps EDA Tool Suite for Boosting RF and 5G Design Productivity

Keysight Unwraps EDA Tool Suite for Boosting RF and 5G Design Productivity

The Keysight EDA 2024 tool suite promises to provide end-to-end design, modeling. and simulation with “shift left” workflow tools designed to increase productivity in the RF/5G world.


News Sep 30, 2023 by Duane Benson
Communication ‘Breakthroughs’ Make Waves in the Wireless Industry

Communication ‘Breakthroughs’ Make Waves in the Wireless Industry

From the smallest LTE-M/NB-IoT module to the fastest 5G uplink speed record, several companies have recently taken to the news to claim an important feat in wireless technology.


News Aug 26, 2023 by Jake Hertz
Phillip Smith: From Amateur Radio Operator to Creator of the Smith Chart

Phillip Smith: From Amateur Radio Operator to Creator of the Smith Chart

Phillip Smith, an amateur radio operator working at Bell Labs, devised a chart that even today can help engineers understand the behavior of transmission lines.


News Aug 21, 2023 by Lianne Frith
The Challenge of Integrating an Antenna Into Small IoT Devices

The Challenge of Integrating an Antenna Into Small IoT Devices

Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this challenge and how to meet it.


Understanding Security Keys in Bluetooth Low Energy

Understanding Security Keys in Bluetooth Low Energy

Learn the roles of the three security keys in Bluetooth LE—Long Term Key (LTK), Connection Signature Resolving Key (CSRK), and Identity Resolving Key (IRK).


Behind the Launch of Jupiter 3, the World’s Largest Comms Satellite

Behind the Launch of Jupiter 3, the World’s Largest Comms Satellite

On its way to geosynchronous orbit, the heaviest commercial satellite offers unprecedented coverage thanks to its unique design.


News Aug 03, 2023 by Aaron Carman
Whitening Filters Help Low-Power Radios Tackle Issues Caused by Long Identical Bit Sequences

Whitening Filters Help Low-Power Radios Tackle Issues Caused by Long Identical Bit Sequences

Learn how whitening filters solve problems in low-power radios when transmitting long identical bit sequences. Explore their significance in protocols like BLE and ZigBee.


Startup HaiLa Aims Its Ambient IoT Tech at a ‘No Batteries’ IoT Future

Startup HaiLa Aims Its Ambient IoT Tech at a ‘No Batteries’ IoT Future

Emerging from stealth mode, HaiLa believes they can enable a future of IoT nodes without batteries.


News Aug 01, 2023 by Jake Hertz
ATT and GATT—How Bluetooth LE Devices Store Data

ATT and GATT—How Bluetooth LE Devices Store Data

Learn how ATT and GATT protocols help Bluetooth LE devices store and manage data, making it easier for connected devices to work together seamlessly.


Vulnerabilities and Attacks on Bluetooth LE Devices—Reviewing Recent Info

Vulnerabilities and Attacks on Bluetooth LE Devices—Reviewing Recent Info

To understand known vulnerabilities and attacks on Bluetooth LE devices, we review some studies from the past 4+ years.


Three Companies Outline How to Build Bluetooth-based Tracking System

Three Companies Outline How to Build Bluetooth-based Tracking System

Onsemi, in partnership with Unikie and CoreHW, has released an application note on an end-to-end positioning system for precise, low-power asset tracking.


News Jul 05, 2023 by Darshil Patel
Securing BLE Connections—An Overview of the Security Protocol

Securing BLE Connections—An Overview of the Security Protocol

Learn about Bluetooth LE's security features and tools, how to use them, and understand how they keep connections secure.


Silicon Labs Rolls Dual-band SoC for Long-range Wireless Protocols

Silicon Labs Rolls Dual-band SoC for Long-range Wireless Protocols

A new SoC from Silicon Labs supports multiple protocols and is optimized for Amazon Sidewalk.


News Jun 12, 2023 by Jake Hertz
Broadcom to Supply Apple’s 5G Components in the US

Broadcom to Supply Apple’s 5G Components in the US

Despite Apple’s internal efforts, the company still needs to rely on third parties for wireless chips.


News May 24, 2023 by Jake Hertz
UWB Tech Takes Automotive and Tracking Applications by Storm

UWB Tech Takes Automotive and Tracking Applications by Storm

In this article, we round up four recent UWB-related designs making a big impact on automotive child safety, keyless entry, object detection, and more.


News May 22, 2023 by Kristijan Nelkovski