Latest Digital Signal Processing Technical Articles

What is it About Audio Distortion? Understanding Nonlinearity

Learn about how system nonlinearity creates distortion in audio signals that impacts the sounds we hear. We will examine sine waves, harmonics, and intermodulation distortion.

April 10, 2022 by John Woodgate

Designing to Protect 5G Macro Base Stations for High Reliability

In this article, learn about protecting three major base station systems, the baseband unit, the power supply, and the backup battery system.

March 10, 2022 by Todd Phillips, Littelfuse

MEMS Accelerometer Frequency Response and Bandwidth Specification

Learn about frequency response and bandwidth specification of MEMS accelerometers.

December 29, 2021 by Dr. Steve Arar

Learn How Integrated Solutions Can Increase the Accuracy of Resistive Current Sensing

In this article, we’ll discuss why a discrete implementation cannot provide a high accuracy in resistive current sensing.

August 15, 2021 by Dr. Steve Arar

Optimizing Power Management with NXP’s i.MX RT500 Crossover MCU

This article provides an introduction to microcontroller power management concepts. The NXP i.MX RT500 family of crossover MCUs will be used to provide examples of how these power management concepts can be employed by embedded developers in their applications.

July 08, 2021 by Alejandra Guzman, NXP Semiconductors

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

Understanding DSP Enablement Using NXP’s i.MX RT500 Crossover MCU

Learn about multi-threaded programs, developing applications using the XOS real-time operating system, resource sharing with semaphores, and how NXP's i.MX RT500 family of microcontrollers help engineers design DSP-enabled smart devices.

June 24, 2021 by Jason Tseng, NXP Semiconductors

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

Learn About the Basics of LVDT Demodulator Circuits

Learn where demodulator circuits are needed and how you can convert the AC output of an LVDT (linear variable differential transformer) into DC signals using a diode rectifier.

May 16, 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

Assessing the Advantages of Ultra-wideband Systems Through Impulse Radios

Using impulse radios as an example, we'll examine the advantages of ultra-wideband (UWB) technology compared to other short-range wireless communication technologies.

April 11, 2021 by Dr. Steve Arar

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

Modeling ADCs Using Intermodulation Polynomial and Effective Number of Bits

In this article, we discuss another methodology of how to model ADCs in system simulations, this time by using the effective number of bits and also adjusting our ADC by introducing a 5th order polynomial to the ideal quantizer input.

February 28, 2021 by Wes Brodsky