Latest Digital Signal Processing Articles and Videos

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What is DrMOS—the IC Powering Next-Gen Processors?

Integrated powertrain devices go back at least as far as 2004 when Intel wrote the specification for DrMOS, a high-efficiency high-current IC for powering next-gen processors.

September 30, 2020 by Adrian Gibbons

A Closer Look at MARSIS, the Radar that Discovered Lakes on Mars

This week, the European Space Agency discovered underground lakes of liquid water on Mars. What circuit-level hardware made this discovery possible?

September 30, 2020 by Jake Hertz

Transimpedance Amplifier: Op-Amp-Based Current-to-Voltage Signal Converter

In this video we’ll study an op-amp-based current-to-voltage converter. This widely used circuit is a simple and effective means of converting the output of a current source into a typical voltage signal.

September 27, 2020 by Robert Keim

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

A New Low-Power GNSS Solution Creates More Precise Indoor Positioning

Synopsys and Nestwave are combining hardware IP and algorithms to give GNSS receivers in battery-operated IoT devices extra nap time.

September 08, 2020 by Adrian Gibbons

Ultrasound Receiver Architecture Undergoes a Seismic Shift

Ultrasound, with nearly a century of technological history, has seen its third major technological breakthrough coming out of North Carolina State.

August 20, 2020 by Adrian Gibbons

How to Obtain the Temperature Value from a Thermistor Measurement

This article explains how to use an NTC or a PTC thermistor with an ADC, along with the various process techniques to convert ADC measured results into a usable temperature value.

August 18, 2020 by Gordon Varney, Texas Instruments

The Versatility of Radar-on-Chip Systems: ADAS, Health-Monitoring, and More

Radar-on-chip systems span a number of industries, from autonomous cars to continuously-measuring medical devices. What's the secret to their flexibility?

August 13, 2020 by Rushi Patel

Precisely Capture Servo Motor Position Using a High-Speed Simultaneous Sampling ADC

Autonomous drones and robots utilize small motors. These fast-spinning mini motors require miniature encoders and IC package sizes. This article shows how an optical sinusoidal encoder provides a higher resolution and increased speeds with a 2x3 mm dual simultaneous-sampling SAR-ADC.

August 11, 2020 by Bonnie Baker, Maxim Integrated

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

Reed Relays Can Be the Best Solution for Signal Switching in T&M

Signal switching is vital in test systems, and there are many options to accomplish the task. Here's why reed relay-based switching systems may be your best bet.

July 29, 2020 by Steve Arar

How Do Engineers Work Around a Congested RF Spectrum?

The usable RF spectrum is a finite resource, and, with enough simultaneous users, congestion can become a serious impediment to reliable communication.

July 24, 2020 by Jake Hertz

Sample-Size Compensation in Standard Deviation Calculations

This article discusses Bessel’s correction, which helps us to more accurately estimate the standard deviation of certain parameters and of long-duration signals.

July 21, 2020 by Robert Keim

Behind Elon Musk’s Neuralink, the Company Developing Brain-Machine Interfaces

What's going on at the silicon level of Elon Musk's human brain-machine interface?

July 20, 2020 by Adrian Gibbons

Average Deviation, Standard Deviation, and Variance in Signal Processing

This article discusses three descriptive statistical measures from the perspective of signal-processing applications.

July 10, 2020 by Robert Keim

The Multi-Core and DSP Capabilities of the LPC5500 MCU Series

In this article, learn more about the multi-core, DSP acceleration, and co-processing features of the LPC5500 series of microcontrollers.

July 09, 2020 by Mark Dunnett, on Behalf of NXP

Engineers Can Develop Fever-Sensing Technology. But Should We?

Thermal imaging technology has become ubiquitous in industrial and commercial applications. Now, governments and health regulators are recommending temperature checks as a method to combat the spread of COVID-19.

July 06, 2020 by Adrian Gibbons

Common Analog, Digital, and Mixed-Signal Integrated Circuits (ICs)

This video tutorial provides an overview of integrated circuits that electrical engineers regularly incorporate into their designs.

June 28, 2020 by Robert Keim

Descriptive Statistics in Electrical Engineering

This article discusses statistical techniques that we can use to characterize an engineered system or analyze performance data.

June 22, 2020 by Robert Keim

Intel’s AI Portfolio Shows How Designs Must Gear Up for Real-Time Processing

With processing demands on data centers higher than ever before, designers should be aware of how hardware- (and software-) based AI may have increasing prominence in their designs.

June 22, 2020 by Adrian Gibbons