All About Circuits

Latest Wireless Communication Articles and Videos

Categories

Knowles SMD Bandpass Filter | Featured Product Spotlight

Knowles SMD Bandpass Filter | Featured Product Spotlight

Knowles SMD Bandpass Filters provide high-performance filtering for microwave applications in a compact, surface-mountable package. Watch and learn all about their features, specs, applications, and more!


Introduction to Inverse Class F Power Amplifiers

Introduction to Inverse Class F Power Amplifiers

Using the second-harmonic peaking amplifier as an example, we explore the basic principles of inverse Class F amplification.


Business Shorts: Partnerships Advancing 5G, ASIC Design, and More

Business Shorts: Partnerships Advancing 5G, ASIC Design, and More

In this edition of Business Shorts, Altium acquires Part Analytics, Keysight opens a 6G research lab, and Siemens throws its support behind budding startups.


News Feb 10, 2025 by Luke James
In a Win for 5G, New Field Test Triples Millimeter-Wave Coverage

In a Win for 5G, New Field Test Triples Millimeter-Wave Coverage

KDDI and Kyocera leveraged their wireless relay technology to expand street-level connectivity from 33% to 99% within a 600-square-meter urban area.


News Feb 10, 2025 by Jake Hertz
Understanding the Transmission-Line Peaking Class F Amplifier

Understanding the Transmission-Line Peaking Class F Amplifier

Learn how this power amplifier uses a quarter-wavelength transmission line to achieve up to 100% efficiency.


Rohm Claims ‘Smallest’ Terahertz Wave Oscillation and Detection Devices

Rohm Claims ‘Smallest’ Terahertz Wave Oscillation and Detection Devices

You thought mmWave was high frequency? Rohm's new devices bring Terahertz into the realm of practicality.


News Jan 24, 2025 by Aaron Carman
Nordic Uses CES 2025 to Springboard Into End-to-End IoT Connectivity

Nordic Uses CES 2025 to Springboard Into End-to-End IoT Connectivity

In this CES exclusive, All About Circuits met with Nordic Semiconductor team to learn how the company plans to expand beyond its Bluetooth roots.


News Jan 20, 2025 by Jake Hertz
Designing a Third-Harmonic Peaking Class F Amplifier for Maximum Efficiency

Designing a Third-Harmonic Peaking Class F Amplifier for Maximum Efficiency

We explore how adding a small amount of voltage ripple to a Class F amplifier increases its efficiency, then work through a design example.


Morse Micro Intros Wi-Fi HaLow SoC Claiming Longest Reach

Morse Micro Intros Wi-Fi HaLow SoC Claiming Longest Reach

At CES, All About Circuits had an exclusive interview with Morse Micro CEO Michael De Nil. We discussed their new Wi-Fi HaLow SoC and more.


News Jan 16, 2025 by Jake Hertz
Princeton Leverages AI to Take On the Legwork of Wireless Chip Design

Princeton Leverages AI to Take On the Legwork of Wireless Chip Design

As a complement to human creativity, Princeton researchers used deep learning to create faster, high-performance wireless chip designs.


News Jan 14, 2025 by Luke James
Understanding the Third-Harmonic Peaking Class F Amplifier with Maximally Flat Waveforms

Understanding the Third-Harmonic Peaking Class F Amplifier with Maximally Flat Waveforms

In this article, we derive the design equations for the third-harmonic peaking Class F amplifier with the flattest possible collector voltage waveforms.


Industry Weighs in With 2025 Forecasts—Part 1: General Predictions

Industry Weighs in With 2025 Forecasts—Part 1: General Predictions

On this New Years Day, we share 2025 predictions from leading companies in our industry.


News Jan 01, 2025 by Jeff Child
2024’s Top Technical Articles and More

2024’s Top Technical Articles and More

As 2024 comes to an end, we look back on the year's most popular technical articles, industry articles, and projects.


News Dec 30, 2024 by Abby Garfinkle
Understanding the Square-Law Modulator for Generating AM Signals

Understanding the Square-Law Modulator for Generating AM Signals

In this article, we explore the foundational concepts of square-law modulators and examine some circuit implementations.


Introduction to the Class F Power Amplifier

Introduction to the Class F Power Amplifier

This article explores the basic principles of Class F operation and introduces the third-harmonic-peaking Class F amplifier.


How to Tune a Class E Amplifier

How to Tune a Class E Amplifier

In this article, we discuss a tuning method designed specifically for Class E RF amplifiers.


Understanding Double-Sideband Suppressed-Carrier Modulation

Understanding Double-Sideband Suppressed-Carrier Modulation

Learn about the advantages and disadvantages of DSB-SC amplitude modulation.


Determining RF Choke Requirements for a Class E Power Amplifier

Determining RF Choke Requirements for a Class E Power Amplifier

In this article, we examine the effects of RF choke non-idealities on Class E amplifier performance and learn how to choose the right choke inductance for your amplifier design.


Introduction to Modulation Techniques in RF Systems

Introduction to Modulation Techniques in RF Systems

In this article, we discuss the basics of RF modulation and how it affects the performance of communication systems.


u-blox SAM-M10Q Standard Precision GNSS Antenna Module | New Product Brief

u-blox SAM-M10Q Standard Precision GNSS Antenna Module | New Product Brief

u-blox SAM-M10Q Standard Precision GNSS Antenna Module is a compact, low-power GNSS solution featuring a high-gain patch antenna and u-blox M10 platform for concurrent reception of four GNSS systems. Watch and learn all about their features, specs, applications, and more!