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Teardown Tuesday: Bluetooth Sony Speaker

Teardown Tuesday: Bluetooth Sony Speaker

With everything going wireless it comes as no surprise that even speakers are using Bluetooth! In this Teardown Tuesday, we will strip down a Sony Bluetooth Speaker to see how they are put together and what parts they consist of.


News May 16, 2017 by Robin Mitchell
Teardown Tuesday: WorkTunes Hearing Protection Headphones

Teardown Tuesday: WorkTunes Hearing Protection Headphones

In this teardown, we examine the guts of 3M's hearing protection device which comes with a built-in AM/FM radio and is capable of playing music from your MP3 player.


News May 09, 2017 by Nick Davis
An Introduction to Audio Electronics: Sound, Microphones, Speakers, and Amplifiers

An Introduction to Audio Electronics: Sound, Microphones, Speakers, and Amplifiers

Learn about the basics of audio electronics, which convert sound signals into electrical signals, process these electrical signals, and convert them back into sound.


How Sound Waves Can Fool MEMS Accelerometers (and Other Ways to Dupe Sensors)

How Sound Waves Can Fool MEMS Accelerometers (and Other Ways to Dupe Sensors)

Accelerometers, activity trackers, and fingerprint sensors can be duped. Learn how and what designers can do to prevent false input.


News May 01, 2017 by Donald Krambeck
A Brief Introduction to the Common Mode Choke and Its Applications

A Brief Introduction to the Common Mode Choke and Its Applications

This article goes over the basics of the humble common mode choke and its applications.


News Apr 23, 2017 by Donald Krambeck
Addressing Harmonic Distortion in Audio Amplifiers

Addressing Harmonic Distortion in Audio Amplifiers

Harmonic distortion can be introduced to audio amplifiers from many sources but reduced to levels below the threshold of human hearing.


Harmonics and THD in Audio Systems: Are You a Subjectivist or a Rationalist?

Harmonics and THD in Audio Systems: Are You a Subjectivist or a Rationalist?

THD of an audio system can be easily measured, but because the ultimate output of an audio system is a sound for humans to hear, human perception plays a role in determining what to do about THD.


Analyzing and Solving Fixed Frequency Spur Issues in High Precision ADC Signal Chains

Analyzing and Solving Fixed Frequency Spur Issues in High Precision ADC Signal Chains

This article will introduce approaches for determining the root causes of spur issues in high-resolution precision ADC applications and present solutions to solve them.


Harnessing High-Frequency Sound: A New Ultrasonic Controller from Texas Instruments

Harnessing High-Frequency Sound: A New Ultrasonic Controller from Texas Instruments

You can do a lot with ultrasound, and whatever you’re doing will be easier with a highly integrated IC such as the PGA460-Q1.


Understanding Total Harmonic Distortion (THD) in Power Systems

Understanding Total Harmonic Distortion (THD) in Power Systems

This article describes the cause and effect of total harmonic distortion (THD) in power systems. Some means of improving THD are also discussed.


FET vs. BJT vs. IGBT: What’s the Right Choice for Your Power Stage Design?

FET vs. BJT vs. IGBT: What’s the Right Choice for Your Power Stage Design?

This article will help the reader understand the different types of power semiconductors: how they work, their key parameters, and trade-offs.


New Class D Amplifiers and a DSP for Your Audio Applications

New Class D Amplifiers and a DSP for Your Audio Applications

In this article we’ll look at three new components for amplifying and processing audio signals.


News Mar 10, 2017 by Robert Keim
Teardown Tuesday: Sound-Activated LED Party Lighting

Teardown Tuesday: Sound-Activated LED Party Lighting

See what's inside a sound-activated LED for use in DJ environments.


News Mar 07, 2017 by Robin Mitchell
Developing Smarter, Safer Cars with ADAS (Automotive Advanced Driver Assistance Systems) IP

Developing Smarter, Safer Cars with ADAS (Automotive Advanced Driver Assistance Systems) IP

Optimizing performance, safety, and reliability in ADAS applications via design, verification, and processor IP and a holistic design approach.


Engineer Spotlight: NXROBO’s Dr. Tin Lun Lam on the Complexities of Designing Home Robots

Engineer Spotlight: NXROBO’s Dr. Tin Lun Lam on the Complexities of Designing Home Robots

NXROBO's Tin Lun Lam shares insights on designing home robots.


News Mar 06, 2017 by Dr. Steve Arar
Teardown Tuesday: Baofeng Amateur Radio Transceiver

Teardown Tuesday: Baofeng Amateur Radio Transceiver

This teardown looks at some of the circuitry inside Baofeng's dual-band handheld transceiver.


News Feb 28, 2017 by Mark Hughes
New Low-Power Op-Amps for Your Analog and Mixed-Signal Designs

New Low-Power Op-Amps for Your Analog and Mixed-Signal Designs

Yes, manufacturers are still improving op-amps. This article looks at new offerings from Maxim, Linear Tech, and STMicroelectronics.


News Feb 24, 2017 by Robert Keim
Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

Total harmonic distortion (THD) is a measurement that tells you how much of the distortion of a voltage or current is due to harmonics in the signal.


Comparing the Electret to MEMS Microphones

Comparing the Electret to MEMS Microphones

This technical brief explains the physical characteristics and the benefits of microphones based on MEMS technology.


An Introductory Project for Software Defined Radio

An Introductory Project for Software Defined Radio

Learn how to listen to frequencies on the air with nothing more than a USB dongle: first FM radio, then voice signals.


Projects Feb 02, 2017 by Christi Durham