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YAGEO Tantalum-Nitride (TaN) AEC-Q200 NT Series Resistor | Featured Product Spotlight

YAGEO Tantalum-Nitride (TaN) AEC-Q200 NT Series Resistor | Featured Product Spotlight

YAGEO Tantalum-Nitride (TaN) AEC-Q200 NT Series Resistor deliver high precision and long-term stability through a robust thin-film construction built for demanding environments. Watch and learn all about their features, specs, applications, and more!


Your 2025 Back-to-School Guide to All About Circuits’ Educational Resources

Your 2025 Back-to-School Guide to All About Circuits’ Educational Resources

Are you a first year electronics engineering student? Or maybe working on a second or third degree in this field? All About Circuits has the resources you need: comprehensive textbooks, technical articles, calculators, videos, and more for your EE studies.


News Sep 19, 2025 by Jeff Child
Introduction to Reactance Modulators for Generating FM Signals

Introduction to Reactance Modulators for Generating FM Signals

In this article, we'll introduce the fundamental concepts of direct FM generation and examine a key FM modulation circuit: the reactance modulator.


Mini But Mighty! Vishay, TDK, and Murata Push the Limits of Passives

Mini But Mighty! Vishay, TDK, and Murata Push the Limits of Passives

Vishay, TDK, and Murata have debuted space-saving passives: ultra-high-frequency chip resistors, high-current inductors, and the "world’s smallest" 10 µF/50V MLCC for cars.


News Jul 11, 2025 by Joshua Tidwell
Rohm Adds High-Accuracy Sense Apps for High-Voltage Designs

Rohm Adds High-Accuracy Sense Apps for High-Voltage Designs

The BD1423xFVJ-C and BD1422xG-C series current sense amplifiers offer design simplicity for electric vehicle and other automotive systems.


News Jul 10, 2025 by Jake Hertz
Automotive Passives Roundup: Small Size Doesn’t Equal Small Performance

Automotive Passives Roundup: Small Size Doesn’t Equal Small Performance

The most basic components, done well, can have big performance and safety payoffs. Here are five new passives, including resistors, diodes, inductors, and capacitors, recently released for automotive designs.


News Mar 04, 2025 by Luke James
Three New Passives Flex High Performance in Ever Smaller Packages

Three New Passives Flex High Performance in Ever Smaller Packages

New passive components from TDK, Kyocera, and Littelfuse push the boundaries of size, power, and functionality.


News Jan 17, 2025 by Duane Benson
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
Create Your Own Stylus-Controlled Synthesizer

Create Your Own Stylus-Controlled Synthesizer

In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.


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.


Using QSPICE to Understand and Tune an LED Blinker Circuit

Using QSPICE to Understand and Tune an LED Blinker Circuit

In this article, we examine the oscillation behavior of an LED blinker circuit in QSPICE and learn how to control its ON-time and pulse repetition frequency.


How To Withstand Electrical Stresses in Modern Op Amps

How To Withstand Electrical Stresses in Modern Op Amps

When designing amplifier circuits, it can be a challenge to avoid an overvoltage event at the amplifier. Learn the multiple options you have for preventing damage and when an overvoltage event occurs.


Bourns Expands Products for Automotive and Industrial Needs

Bourns Expands Products for Automotive and Industrial Needs

Bourns’ new products meet next-gen needs for signal transmission, high-current sensing, and surge protection.


News Oct 11, 2024 by Mike Falter
Building a Resistor Color Code Calculator and Ohmmeter Using Arduino

Building a Resistor Color Code Calculator and Ohmmeter Using Arduino

For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.


A Cortex-M Microcontroller-Enabled Electronic Timer: A Radio Shack Remix

A Cortex-M Microcontroller-Enabled Electronic Timer: A Radio Shack Remix

In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer project for the Science Fair 65-in-1 kit.


Projects Sep 15, 2024 by Don Wilcher
Using Clever Techniques to Convert a Passive Audio Filter Into an Active Filter

Using Clever Techniques to Convert a Passive Audio Filter Into an Active Filter

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.


Projects Jun 02, 2024 by John Woodgate
Memristor Prototype May Give AI Chips a Sense of Time

Memristor Prototype May Give AI Chips a Sense of Time

“Do you have the time?” With the University of Michigan’s latest memristor discovery, AI chips may soon note the sequence of events.


News May 29, 2024 by Aaron Carman
Using Complex Permeability to Characterize Magnetic Core Losses

Using Complex Permeability to Characterize Magnetic Core Losses

In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the losses of a magnetic core.


A Simple Procedure for Creating Any Resistance Using Standard Resistors

A Simple Procedure for Creating Any Resistance Using Standard Resistors

Have you ever needed an unusual, non-standard resistance value for the project you are building? This article will provide you with a simple series of steps to build the resistance you need from a collection of resistors.


Editor’s Choice: Our Top 10 News Articles of 2023

Editor’s Choice: Our Top 10 News Articles of 2023

Looking back on the year, here’s a review of the most popular News articles on All About Circuits.


News Dec 31, 2023 by Jeff Child