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The Class-D Amplifier Is the Star of Acoustic Vehicle Alerting Systems, ST Suggests

The Class-D Amplifier Is the Star of Acoustic Vehicle Alerting Systems, ST Suggests

ADAS and AVAS are known to add a number of speakers to an automotive audio system. Class-D amplifiers, however, may be a useful solution for cutting size, costs, heat, and power consumption.


How Should Data Converters Be Modeled for System Simulations?

How Should Data Converters Be Modeled for System Simulations?

This article launches a series exploring the question of how to model data converters for system simulations.


PCB Layout Techniques for Reducing Harmonic Distortion of a Differential ADC Driver

PCB Layout Techniques for Reducing Harmonic Distortion of a Differential ADC Driver

Summary


How to Use Decoupling Capacitor Placement to Reduce Harmonic Distortion

How to Use Decoupling Capacitor Placement to Reduce Harmonic Distortion

Learn how to reduce second harmonic distortion by following some guidelines for placing decoupling capacitors in your PCB layout.


When EVs are “Too Quiet,” Active Noise-Canceling Sensors Can Mute Road Noise

When EVs are “Too Quiet,” Active Noise-Canceling Sensors Can Mute Road Noise

When traditional combustion engines aren't drowning out typical road sounds, outside noise pollution can become a nuissance—or even dangerous—for EV occupants. ANC sensors, commonly used in noise-canceling headphones, can be a useful solution.


News Jan 28, 2021 by Jake Hertz
Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Summary


Modeling Hysteresis in SPICE

Modeling Hysteresis in SPICE

Modeling hysteresis in SPICE can be difficult when you're dealing with a multivalued transfer function. In this article, we'll teach you a way to "cheat" to get around this issue.


Reducing Second Harmonic Distortion with Symmetrical PCB Layout

Reducing Second Harmonic Distortion with Symmetrical PCB Layout

Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using symmetric PCB layout.


On the 12 Days of Christmas, an EE Gave to Me…

On the 12 Days of Christmas, an EE Gave to Me…

In this electrical engineering edition of the 12 days of Christmas, we take a look at a few familiar highlights of the season and zoom in on the technologies electrical engineers have contributed to make them possible.


News Dec 25, 2020 by Hannah DeTavis
“GaN Is Like a Ferrari:” How GaN Is on the Fast Track for 2021

“GaN Is Like a Ferrari:” How GaN Is on the Fast Track for 2021

2020 ushered in a wave of GaN transistors in applications from automobiles to audio amplifiers. We talked with GaN Systems CEO Jim Witham to find out why he thinks 2021 could see even more GaN adoption.


News Dec 18, 2020 by Jake Hertz
The History of Vacuum Tubes: An Era Away

The History of Vacuum Tubes: An Era Away

While semiconductor devices make possible the lightweight 'gadgets' we enjoy, our electronic world was built on devices that operated on a different scale. Let's take a look at vacuum tubes!


MAXIM INTEGRATED MAX78000 Ultra-Low-Power Arm Cortex-M4 Processor | New Product Brief

MAXIM INTEGRATED MAX78000 Ultra-Low-Power Arm Cortex-M4 Processor | 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.


Construction of a Guitar Amplifier

Construction of a Guitar Amplifier

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.


The Bipolar Junction Transistor (BJT) as a Switch

The Bipolar Junction Transistor (BJT) as a Switch

This video tutorial demonstrates how a bipolar junction transistor can allow a low-voltage signal to control a high-power load.


More on Noise-Canceling Headphones: Adaptive Controllers in Active Noise Control Systems

More on Noise-Canceling Headphones: Adaptive Controllers in Active Noise Control Systems

Active noise control is a principle technology in noise-canceling headphones. But there's a nuanced part of the ANC conversation that warrants discussion: adaptive controllers and cancelation paths.


News Nov 17, 2020 by Dr. Steve Arar
 Current and Voltage Relationships in Bipolar Junction Transistors (BJTs)

Current and Voltage Relationships in Bipolar Junction Transistors (BJTs)

This video tutorial discusses operating modes and plots that will help you to incorporate bipolar junction transistors into your designs.


The Effect of Offset Voltage on a Precision Current Source

The Effect of Offset Voltage on a Precision Current Source

In this article, we’ll continue our discussion of an LTspice circuit that helps us to predict how offset-voltage variations will influence circuit performance.


Understanding Active Noise Control Systems—the Tech Underlying Noise-Canceling Headphones

Understanding Active Noise Control Systems—the Tech Underlying Noise-Canceling Headphones

With more people working from home, noise-canceling headphones are ever-more prevalent. What circuitry underlies this popular technology?


News Nov 05, 2020 by Dr. Steve Arar
The Op-Amp Voltage Comparator Circuit

The Op-Amp Voltage Comparator Circuit

In this video, we will discuss circuits that use an operational amplifier to compare the amplitude of one signal to the amplitude of another signal or to a reference voltage.


MURATA Noise Suppression for Rapid Charging Solutions | New Product Brief

MURATA Noise Suppression for Rapid Charging Solutions | 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.