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6 Snapshots Show RISC-V Solidifying Its Stronghold in Products and Plans

6 Snapshots Show RISC-V Solidifying Its Stronghold in Products and Plans

Recent updates show where RISC-V is heading, from compact ESP32 devices to one of the biggest names in mainstream computing.


News Jan 05, 2026 by Joshua Tidwell
Analyzing the Lag Filter’s Effect on PLL Performance

Analyzing the Lag Filter’s Effect on PLL Performance

In this article, we evaluate the designs of two simple frequency synthesizers to learn how a second-order PLL with a lag filter can provide a faster rise time than a first-order PLL.


The New Moore’s Law: Why Optical Computing Could Redefine Scaling for AI

The New Moore’s Law: Why Optical Computing Could Redefine Scaling for AI

Optical computing is the "New Moore's Law" for AI. It solves electronic scaling limits, offering higher speed, lower power, and efficiency gains proportional to problem size for matrix operations.


MC34063: The Switching Regulator That Defined Cheap Power

MC34063: The Switching Regulator That Defined Cheap Power

Motorola’s 1980s DC-DC controller became the universal answer to “good enough” power conversion.


News Jan 01, 2026 by Luke James
Knowledge and Nostalgia: 2025’s Top Educational Articles

Knowledge and Nostalgia: 2025’s Top Educational Articles

Ring in the new year with this roundup of All About Circuits' most popular educational content, both technical and historical.


News Dec 31, 2025 by Abby Garfinkle
Our 2025 Top Trend: AI Assimilates

Our 2025 Top Trend: AI Assimilates

Do you remember when supercomputers were described by their processing power? That was so 2024. Today, we talk about the power for processing. Goodbye terraops, hello terrawatt-hours!


News Dec 28, 2025 by Dale Wilson
Lattice’s New FPGAs Expand Possibilities for Control and Connectivity

Lattice’s New FPGAs Expand Possibilities for Control and Connectivity

The latest members of the low-power, low-density FPGA product line feature instant-on with 896 to 9400 look-up tables.


News Dec 22, 2025 by Duane Benson
Understanding the Limitations of the Second-Order Type-1 PLL With a Lag Filter

Understanding the Limitations of the Second-Order Type-1 PLL With a Lag Filter

In this article, we analyze the steady-state errors and Bode plots for a second-order PLL with a simple, first-order loop filter.


Analog Devices ADXL366 3-Axis MEMS Accelerometers | New Product Brief

Analog Devices ADXL366 3-Axis MEMS Accelerometers | New Product Brief

Analog Devices ADXL366 3-Axis MEMS Accelerometers designed for always-on motion sensing in compact, battery-powered systems. Watch and learn all about their features, specs, applications, and more!


Enhancing Power Conversion Efficiency with Infineon EasyPACK™ CoolSiC™ Trench MOSFET Modules | Tech Guide

Enhancing Power Conversion Efficiency with Infineon EasyPACK™ CoolSiC™ Trench MOSFET Modules | Tech Guide

In this Tech Guide, explore Infineon’s EasyPACK™ CoolSiC™ Trench MOSFET Modules—high-efficiency, high-density power solutions for EV chargers, DC/DC converters, and industrial systems. Watch now to get started!


Projections to 2030: How Korea’s Chipmakers Could Re-Shape the Semi World

Projections to 2030: How Korea’s Chipmakers Could Re-Shape the Semi World

By 2030, Korean chipmakers are projected to dominate AI memory (HBM), strengthen foundry/packaging, and gain traction in the stable analog/power IC market, boosting profitability and global influence.


News Dec 15, 2025 by Gordon Feller
Introduction to Second-Order Type-1 PLLs

Introduction to Second-Order Type-1 PLLs

Learn how adding a lowpass loop filter to a PLL with a single integrator impacts both the frequency-domain and time-domain response.


5 Research Breakthroughs Push the Boundaries of Photonic Computing

5 Research Breakthroughs Push the Boundaries of Photonic Computing

Recent advances in photonic platforms, memory architectures, and optical switching demonstrate an evolving space for optical computing.


News Dec 10, 2025 by Luke James
Understanding the Limitations of the First-Order PLL

Understanding the Limitations of the First-Order PLL

Higher-order PLLs are more commonly used than first-order PLLs. To explain why, we explore the first-order PLL's behavior in response to two inputs: a frequency step and frequency ramp.


TL431: The Precision Shunt Regulator That Quietly Took Over Power Supplies

TL431: The Precision Shunt Regulator That Quietly Took Over Power Supplies

A bandgap reference, an error amplifier, and an output transistor in one three-pin device. It's still a staple after nearly five decades.


News Dec 05, 2025 by Luke James
My Experience with the Zephyr RTOS—A Hands-On Review

My Experience with the Zephyr RTOS—A Hands-On Review

Robert recently tried the Zephyr RTOS and contributed back to the project in the form of a sensor driver for the MTCH9010 liquid leak detector. In this article, he shares his thoughts.


Nisshinbo NL9620 Precision Instrumentation Amplifiers | Digital Datasheet

Nisshinbo NL9620 Precision Instrumentation Amplifiers | Digital Datasheet

Nisshinbo NL9620 Precision Instrumentation Amplifiers delivers highly accurate, low-noise signal amplification designed for demanding measurement and sensing applications. Watch and learn all about their features, specs, applications, and more!


Analyzing First-Order PLLs Using Linear Models

Analyzing First-Order PLLs Using Linear Models

In this article, we'll use the linearized model of a first-order PLL to understand its response to a simple input change. We'll then use Matlab simulations to visualize the signals.


Building High-Performance RF Systems with the Qorvo QPF5001 | Tech Guide

Building High-Performance RF Systems with the Qorvo QPF5001 | Tech Guide

In this Tech Guide from Mouser Electronics, explore how the Qorvo QPF5001 Dual-Channel 12W Transmit/Receive Module simplifies high-performance X-band RF design with integrated PA, LNA, and built-in limiter in a compact 6 mm × 5 mm package. Watch now to get started!


Building a Push-Pull Level Shifter to Connect an MCU and a Low-Voltage Display

Building a Push-Pull Level Shifter to Connect an MCU and a Low-Voltage Display

In this project, we'll build and demonstrate a discrete analog solution to the incompatible logic levels of an Arduino Uno and an Elecrow e-paper HMI display.


Projects Nov 23, 2025 by Don Wilcher