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Designing a Quadrature Network Using an All-pass Filter

Quadrature networks convert a single input signal into two outputs with a 90-degree phase difference. This article explains how to design quadrature networks using all-pass filters.

December 23, 2022 by John Woodgate

5 Online EE Resources I WOULD Have Been Thankful For

On this Thanksgiving Day, Jeff wonders what his EE college days would have been like if he’d had access to All About Circuits’ rich online resources.

November 24, 2022 by Jeff Child

RTD Signal Conditioning—4-Wire Configuration, Ratiometric Measurement, & Filtering

Learn about RTD (resistance temperature detector) signal conditioning through a four-wire configuration, ratiometric measurement, and input RC filters.

November 18, 2022 by Dr. Steve Arar

Magnetic Field Strength Meter and Calibrator

This project will explain how to develop a system to measure magnetic field emissions at frequencies up to 150 kHz from high-current power cables without cutting or disturbing the cable.

October 28, 2022 by John Woodgate

Ray Dolby, the Engineer Who Revamped Sound Technology

Before his name became a brand and a household word, Ray Dolby was a pioneer in noise reduction technology. His innovations revolutionized the audio and entertainment industries.

August 31, 2022 by Lianne Frith

Bussmann / Eaton ECMT-R Common Mode Chokes | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

August 21, 2022 by Mouser Electronics

Take Our 2022 EETech Global Engineering Survey

Join your engineering community peers and take our EETech 2022 Global Engineering Survey. You’ll get a summary of the results once they’re released. And you’ll be entered for a chance to win an Amazon card prize!

August 09, 2022 by Jeff Child

SKYWORKS Band Pass Filter | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

January 30, 2022 by Mouser Electronics

MEMS Accelerometer Frequency Response and Bandwidth Specification

Learn about frequency response and bandwidth specification of MEMS accelerometers.

December 29, 2021 by Dr. Steve Arar

Taiyo Yuden SAW and FBAR Filters | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

November 30, 2021 by Mouser Electronics

Modern Power Switches Zero In on Accurate Current Sensing

ST's new intelligent high-side drivers illustrate how accurate current sensing is a non-negotiable feature of modern power switches, especially in the automotive space.

October 02, 2021 by Dr. Steve Arar

How to Protect Low-Speed Interfaces and Power Supply Circuits

In this installation of the "Protect Your Ports! Top Design Tips to Keep Your Communications Connected" series, we'll discuss low-speed interfaces and power supply circuits—including audio/video ports, DC power supplies, and more—as well as various methods of how to protect them.

July 11, 2021 by Todd Phillips, Littelfuse

An Introduction to Digital Signal Processing

This article provides a general understanding of what DSP is, how it works, and what advantages it can offer. To appreciate the advantages of DSP, let’s first have a look at the conventional method of signal processing, i.e., analog signal processing.

June 30, 2021 by Dr. Steve Arar

TI’s New SAR ADCs Beat Old Noise and Sampling Rate Challenges

TI extends its family of SAR ADCs, striving to beat old design challenges. How do these new family members stack up when compared to some competitors?

June 21, 2021 by Antonio Anzaldua Jr.

TI vs. NXP vs. Analog: Comparing Battery Management Systems

Recently, Analog Devices has added to its battery management system portfolio. Since EV systems are quickly advancing, the question of how does this system compare to others?

June 12, 2021 by Antonio Anzaldua Jr.

Xilinx Aims to Speed Up System Design with Gen3 RF SoM

One method of accelerating system design is with a system-on-module (SoM). The newest XRF16-Gen3 Xilinx-based SoM from AVNET has improvements worth evaluating.

May 24, 2021 by Adrian Gibbons

LVDT Demodulation: Rectifier-Type vs. Synchronous Demodulation

Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss each method's advantages, drawbacks, and appropriate applications.

May 23, 2021 by Dr. Steve Arar

An Introduction to Switched-capacitor Circuits

In this series of articles, we’ll discuss one of the fundamental building blocks of analog IC design: the switched-capacitor circuit.

April 21, 2021 by Jake Hertz

“MUS-IC” to an Audiophile’s Ears? Lessons on Hi-Fi Electronics From a New DAC

MUS-IC, ROHM Semiconductor’s specialized family of audio electronics has a new member: a 32-bit DAC designed for high-res playback. What does this DAC teach us about the tenets of Hi-Fi electronics?

April 19, 2021 by Adrian Gibbons

Protecting Power Over Ethernet (PoE / PoE++) Communications

This article is the first in the "Protect Your Ports! Top Design Tips to Keep Your Communications Connected" series from Littelfuse.

April 14, 2021 by Todd Phillips, Littelfuse