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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
The Importance of Power Electronics in IIoT for Smart Manufacturing

The Importance of Power Electronics in IIoT for Smart Manufacturing

Next-generation manufacturing relies on a continuous flow of data and, therefore, reliable power for advanced control, operational efficiency, and predictive maintenance.


Matter 1.2 Update Adds Support for Nine New Device Types

Matter 1.2 Update Adds Support for Nine New Device Types

Among other major updates, the IoT protocol now supports refrigerators, dishwashers, room ACs, laundry machines, robotic vacuums, smoke and CO2 alarms, air quality sensors, air purifiers, and fans.


News Oct 24, 2023 by Jake Hertz
NISSHINBO MICRO DEVICES NT1189GDAE3S High Linearity Low Noise Amplifier | New Product Brief

NISSHINBO MICRO DEVICES NT1189GDAE3S High Linearity Low Noise Amplifier | New Product Brief

The NT1189GDAE3S High Linearity Low Noise Amplifier by Nisshinbo Micro Devices is a high-performing LNA designed to operate within the 3.3 to 5.0 Gigahertz range. Watch and learn all about their features, specs, applications, and more!


Understanding Bluetooth LE Pairing—Step by Step

Understanding Bluetooth LE Pairing—Step by Step

Pairing is an important concept in Bluetooth LE. Let’s examine the fundamentals of Bluetooth LE pairing, outlining how LE devices securely share keys between trusted devices.


TDK-LAMBDA CUS250M 250W AC-DC Power Supplies | New Product Brief

TDK-LAMBDA CUS250M 250W AC-DC Power Supplies | New Product Brief

The CUS250M AC-DC Power Supplies provide an impressive 250 watts of power within a compact 2 by 4-inch package. Watch and learn all about their features, specs, applications, and more!


Renesas Continues Acquisition Trail, Now Pursuing Sequans’ Cellular IP

Renesas Continues Acquisition Trail, Now Pursuing Sequans’ Cellular IP

First, it was Dialog Semiconductor. Then it was Celano and Panthronics. Now, Renesas is after 4G/5G specialist Sequans in its latest string of IoT-focused acquisitions.


News Aug 08, 2023 by Jake Hertz
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.