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Photonic Chip Design Rethink Could Cut Data Center Energy Use

Photonic Chip Design Rethink Could Cut Data Center Energy Use

Leveraging novel photonic circuit designs, researchers hope to lower electricity consumption in data centers.


News Jun 02, 2023 by Kristijan Nelkovski
Broadcom to Supply Apple’s 5G Components in the US

Broadcom to Supply Apple’s 5G Components in the US

Despite Apple’s internal efforts, the company still needs to rely on third parties for wireless chips.


News May 24, 2023 by Jake Hertz
Designing a Wideband Analog Voltage and Current Meter

Designing a Wideband Analog Voltage and Current Meter

Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity from 1 mV to 100 V, while the ammeter has a selectable current sensitivity of 10 mA to 10 A.


Projects May 03, 2023 by John Woodgate
Understanding Limitations to Increasing SFDR in High-speed ADCs

Understanding Limitations to Increasing SFDR in High-speed ADCs

Learn about two nonlinearity sources, spurious-free dynamic range (SFDR), and SNR (signal-to-noise ratio) in analog-to-digital converters (ADCs).


TI’s Active EMI Filters to Slash Size of Power Supply Designs

TI’s Active EMI Filters to Slash Size of Power Supply Designs

New ICs from Texas Instruments use active filtering to mitigate the impact of switched-mode power supply EMI.


News Mar 22, 2023 by Jake Hertz
STMicro Rolls All-in-one Motion and Bone-conduction Sensor for Hearables

STMicro Rolls All-in-one Motion and Bone-conduction Sensor for Hearables

With its new sensor IC, STMicroelectronics hopes to enable a new class of hearables for applications like true wireless stereo (TWS).


News Mar 06, 2023 by Jake Hertz
Rudolf Kalman: The Creator of Kalman Filters and Modern Control Theory

Rudolf Kalman: The Creator of Kalman Filters and Modern Control Theory

Rudolf Kalman is remembered for his fundamental impact on control systems and noise filtering—namely, through the invention of Kalman filters.


News Feb 11, 2023 by Biljana Ognenova
Designing a Quadrature Network Using an All-pass Filter

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.


Projects Dec 23, 2022 by John Woodgate
5 Online EE Resources I WOULD Have Been Thankful For

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.


News Nov 24, 2022 by Jeff Child
RTD Signal Conditioning—4-Wire Configuration, Ratiometric Measurement, & Filtering

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.


Magnetic Field Strength Meter and Calibrator

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.


Projects Oct 28, 2022 by John Woodgate
Ray Dolby, the Engineer Who Revamped Sound Technology

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.


News Aug 31, 2022 by Lianne Frith
Bussmann / Eaton ECMT-R Common Mode Chokes | New Product Brief

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.


Take Our 2022 EETech Global Engineering Survey

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!


News Aug 09, 2022 by Jeff Child
SKYWORKS Band Pass Filter | New Product Brief

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.


MEMS Accelerometer Frequency Response and Bandwidth Specification

MEMS Accelerometer Frequency Response and Bandwidth Specification

Learn about frequency response and bandwidth specification of MEMS accelerometers.


Taiyo Yuden SAW and FBAR Filters | New Product Brief

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.


Modern Power Switches Zero In on Accurate Current Sensing

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.


News Oct 02, 2021 by Dr. Steve Arar
How to Protect Low-Speed Interfaces and Power Supply Circuits

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.


An Introduction to Digital Signal Processing

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.