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Class AB vs. Class D: Understanding the Trade-Offs for Piezo Driver Design

Class AB vs. Class D: Understanding the Trade-Offs for Piezo Driver Design

In this article, we explore when to choose a Class AB or Class D output stage for your piezo amplifier design. We'll also examine the Class D stage's power supply requirements.


Design and Performance of the Class D Output Stage for Piezo Drivers

Design and Performance of the Class D Output Stage for Piezo Drivers

In this article, we explore the operation of a Class D stage with a capacitive load and how it can be used in piezo amplifier design.


Evaluating the Class AB Output Stage for Piezo Driver Design

Evaluating the Class AB Output Stage for Piezo Driver Design

We examine the basic requirements of piezoelectric amplifiers and how Class AB operation can meet them.


Introduction to Near-Field Probes and Their Use in EMC Troubleshooting

Introduction to Near-Field Probes and Their Use in EMC Troubleshooting

Learn about the working principles of near-field probes and their applications in troubleshooting EMI issues.


Upgrading My Retro Handheld Gaming Console with Motion Control and an LCD

Upgrading My Retro Handheld Gaming Console with Motion Control and an LCD

Follow my upgrade of a handheld game controller as I add a new 1.8-inch color LCD for animated graphics and an accelerometer module for motion control input.


Introduction to Pressure Transducers

Introduction to Pressure Transducers

Learn about pressure transducers: devices used in a variety of industrial, medical, automotive, and consumer applications to sense pressure and convert it into electrical energy.


Introduction to Allan Variance—Non-overlapping and Overlapping Allan Variance

Introduction to Allan Variance—Non-overlapping and Overlapping Allan Variance

Learn about non-overlapping and overlapping Allan variance and how the Allan variance curve can be used to identify different types of random errors present in a signal.


An Introduction to MEMS Vibratory Gyroscopes

An Introduction to MEMS Vibratory Gyroscopes

Microelectromechanical systems (MEMS) vibratory gyroscopes can be a bit mysterious and math-intensive. Let's break the math down, and go over gyroscope basics and structures.


Understanding Piezoelectric Accelerometer Basics

Understanding Piezoelectric Accelerometer Basics

Learn about piezoelectric accelerometers, namely the piezoelectric effect, how piezoelectric materials generate electricity, the different accelerometer design modes, and their upper and lower frequency limits.


Accelerometer Specifications: Measurement Range, Sensitivity, and Noise Performance

Accelerometer Specifications: Measurement Range, Sensitivity, and Noise Performance

Learn about capacitive MEMS accelerometer specifications for measurement range, sensitivity, and noise performance for both digital- and analog-output accelerometers.


Accelerometer Mounting Methods: Types, Effects, and Solutions

Accelerometer Mounting Methods: Types, Effects, and Solutions

In this article, learn about the different methods for mounting accelerometers, their effect on accelerometer frequency response, and solutions for mounting a MEMS accelerometer.


MEMS Accelerometer Frequency Response and Bandwidth Specification

MEMS Accelerometer Frequency Response and Bandwidth Specification

Learn about frequency response and bandwidth specification of MEMS accelerometers.


Deriving the Transfer Function of a Capacitive Sensing Accelerometer

Deriving the Transfer Function of a Capacitive Sensing Accelerometer

In this article, we'll learn about deriving the transfer function of a mass-spring-damper system used in a capacitive MEMS accelerometer.


Hall Effect Current Sensing: Open-Loop and Closed-Loop Configurations

Hall Effect Current Sensing: Open-Loop and Closed-Loop Configurations

Learn the basics of Hall effect current sensors in this technical article.


Types of Magnetometers

Types of Magnetometers

This high-level guide introduces common types of magnetometers, including scalar, vector, gradient, and more.


How to Measure Gas Flow in a Mechanical Ventilator Using a Differential Pressure Sensor

How to Measure Gas Flow in a Mechanical Ventilator Using a Differential Pressure Sensor

In this article, we’ll look at another interesting application of pressure sensing in mechanical ventilation.


Using Pressure Sensors to Adjust the Oxygen Concentration: An Electrical Engineer’s Intro to Mechanical Ventilation

Using Pressure Sensors to Adjust the Oxygen Concentration: An Electrical Engineer’s Intro to Mechanical Ventilation

In this article, we’ll look at additional applications of pressure sensors in mechanical ventilation.


An Engineer’s Introduction to Mechanical Ventilation

An Engineer’s Introduction to Mechanical Ventilation

Learn about the basics of mechanical ventilation in terms of subsystems, control loops, and algorithms.


CCD Image Sensor Types: Full-Frame, Interline-Transfer, and Frame-Transfer CCDs

CCD Image Sensor Types: Full-Frame, Interline-Transfer, and Frame-Transfer CCDs

This article explains the characteristics, advantages, and disadvantages of three CCD (charge-coupled device) architectures.


How to Design a Custom PCB Holder: Mechanical Considerations for a High-Precision Sensor System

How to Design a Custom PCB Holder: Mechanical Considerations for a High-Precision Sensor System

When working with high-precision sensors, it's crucial to consider housing. In this article, we discuss an approach to designing a custom board holder for an inclinometer subsystem.