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MEMS Accelerometer Frequency Response and Bandwidth Specification

Learn about frequency response and bandwidth specification of MEMS accelerometers.

December 29, 2021 by Dr. Steve Arar

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.

June 30, 2021 by Dr. Steve Arar

LVDT Demodulation: Rectifier-Type vs. Synchronous Demodulation

Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss each method's advantages, drawbacks, and appropriate applications.

May 23, 2021 by Dr. Steve Arar

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.

May 09, 2021 by Dr. Steve Arar

An Introduction to Switched-capacitor Circuits

In this series of articles, we’ll discuss one of the fundamental building blocks of analog IC design: the switched-capacitor circuit.

April 21, 2021 by Jake Hertz

What Is the Power Spectrum of Quantization Noise?

Our series on quantization noise begins with a clarification of the framework the author used to determine the scope of his investigation into quantization noise.

March 07, 2021 by Wes Brodsky

Adding a Low-pass Filter to an ADC Model and DAC Modeling

In the final part of this series on modeling ADCs, we discuss one more model and also briefly cover DAC models.

March 02, 2021 by Wes Brodsky

Digital or Analog? How Should I and Q Combining and Separation Be Done?

How should I and Q combining be done? Through analog or digital means? This article will discuss the basics of the analog and digital IQ approaches.

February 22, 2021 by Wes Brodsky

Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Summary

January 24, 2021 by Kevin Aylward

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.

January 18, 2021 by Dr. Steve Arar

Designing and Simulating EMC Filters with LTspice

In this article, we will review the different types of noise that are present in a circuit. We will also discuss how to perform an accurate simulation of an EMC filter with LTspice.

October 19, 2020 by Ignacio de Mendizábal

What Is the Sinc Function and Why Is It Important in Electrical Engineering?

This Frequent Engineering Question gives a quick overview of a mathematical function that appears frequently in digital signal processing.

September 23, 2020 by Robert Keim

What Is the Fourier Transform?

This article gives you essential information on a mathematical technique that plays an absolutely fundamental role in system design and signal processing.

July 30, 2020 by Robert Keim

What Is a Linear System?

This article explains the essential aspects of linear systems, which play a fundamental role in electrical engineering and signal processing.

June 17, 2020 by Robert Keim

Understanding Types of Lock-In Amplifiers and Related Noise Sources

This article is a general guideline on the main aspects of commercially-available amplifiers.

June 16, 2020 by Ignacio de Mendizábal

How Is the Laplace Transform Used in Circuit Design?

In this article, we briefly review how the Laplace transform can help us solve circuits involving damped and steady-state sinusoidal signals.

June 05, 2020 by Robert Keim

What Is Dynamic Range?

The concept of dynamic range appears frequently in engineering discussions. But what exactly does this term mean? And how does it apply to electronic circuits and systems?

June 03, 2020 by Robert Keim

Determining Dynamic Range of CCD Image Sensors

This article explains how CCD construction, operating parameters, and external signal-processing circuitry contribute to the maximum variation in luminance that CCD imaging hardware can capture.

May 29, 2020 by Robert Keim

Anti-Aliasing Filters: Applying Sampling Theory to ADC Design

This article examines an important aspect of the Nyquist–Shannon sampling theorem and explains its connection to the need for anti-aliasing filters in analog-to-digital conversion.

May 20, 2020 by Robert Keim

The Nyquist–Shannon Sampling Theorem: Exceeding the Nyquist Rate

This article continues our series on sampling theory by explaining the importance of oversampling in real-life mixed-signal systems.

May 18, 2020 by Robert Keim