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H-bridge DC Motor Control Using Complementary PWM, Shoot-through, and Dead-time

H-bridge DC Motor Control Using Complementary PWM, Shoot-through, and Dead-time

Learn about the role of non-overlapping or complementary pulse width modulation (PMW) in DC motor control using an h-bridge circuit, taking into consideration PWM shoot-through and dead-time PWM.


Electronic Component Aging—the Aging Effects of Resistors and Op-amps

Electronic Component Aging—the Aging Effects of Resistors and Op-amps

Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to understand resistor drift, resistor stability, and op-amp drift.


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.


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.


What Does an Accelerometer Output When It Isn’t Moving? Zero-g Bias

What Does an Accelerometer Output When It Isn’t Moving? Zero-g Bias

In this article, learn about zero-g offset and zero-g bias level, how it pertains to capacitive MEMS accelerometers, as well as accelerometer offset calibration to trim out offset error.


Filtering Accelerometer Output for Noise Suppression and Bandwidth Improvement

Filtering Accelerometer Output for Noise Suppression and Bandwidth Improvement

Learn how a low-pass filter can improve the noise performance of the accelerometers as well as how to extend the bandwidth of a MEMS accelerometer using a custom notch filter.


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.


Introduction to Linear Variable Differential Transformers (LVDTs)

Introduction to Linear Variable Differential Transformers (LVDTs)

Looking for a succinct intro to LVDTs? This article will explain LVDT basics, including structure, circuit, transfer function, linear range, sensitivity, and more.


Touchscreen vs. Button Interface Design: Capacitive and Resistive Touchscreens and Haptics

Touchscreen vs. Button Interface Design: Capacitive and Resistive Touchscreens and Haptics

Learn about some of the most important fundamentals for understanding how interface technologies have evolved.


What Are Zero-Ohm Resistors and How Are They Used In Circuit Design?

What Are Zero-Ohm Resistors and How Are They Used In Circuit Design?

In this FEQ (Frequent Engineering Question), we'll take a look at the advantages of zero-ohm resistors and where they're most suitable in design.


Synchronous Demodulation Using Analog Multipliers vs. Switch-based Multipliers

Synchronous Demodulation Using Analog Multipliers vs. Switch-based Multipliers

In this article, we’ll look at the pros and cons of using a switch-based multiplier.


Exploring Power Transformer Protection for Power Systems: Failure Types and Differential Protection

Exploring Power Transformer Protection for Power Systems: Failure Types and Differential Protection

Learn why power transformers are important, where they can fail, and why protection systems are crucial.


Introduction to Supercapacitors

Introduction to Supercapacitors

Get a primer on the basics of supercapacitors, their functionality, and which applications they're best for.


How to Choose the Right Driver IC for Stepper Motors

How to Choose the Right Driver IC for Stepper Motors

This article discusses features and functionality offered by integrated circuits that simplify the task of controlling a stepper motor.


Choosing the Right Motor-Driver IC

Choosing the Right Motor-Driver IC

This article provides some practical guidance on how to evaluate integrated circuits intended for controlling brushed DC motors.


Introduction to MEMS (Microelectromechanical Systems)

Introduction to MEMS (Microelectromechanical Systems)

This article explores basic characteristics and common applications of a technology that has been incorporated into a wide variety of high-performance electronic devices.


Ladder Logic in Programmable Logic Controllers (PLCs)

Ladder Logic in Programmable Logic Controllers (PLCs)

This article describes the programming language ladder logic used to program PLCs and shows examples of how it functions.