All About Circuits

Latest Spectral Analysis Articles and Videos

Categories

Radar Applied to Missions Large and Small—Part 1

Radar Applied to Missions Large and Small—Part 1

Whether it’s planetary-level trends or human body imaging, the latest advances in radar technology allow designers to remotely sense trends at any scale.


News May 30, 2023 by Aaron Carman
Ambarella Rolls 4K Edge AI SoC Boasting High AI Performance-per-Watt

Ambarella Rolls 4K Edge AI SoC Boasting High AI Performance-per-Watt

Seeking to enable better on-camera AI for the security realm, Ambarella’s new edge AI SoC promises high performance per Watt, improved image quality, and sensor fusion capabilities


News Mar 21, 2023 by Jeff Child
At ISSCC, IMEC Unveils Charge-pump PLL Design for Short Range Radars

At ISSCC, IMEC Unveils Charge-pump PLL Design for Short Range Radars

At this week’s 70th annual ISSCC event, research firm IMEC is presenting a phase-locked loop (PLL) IC design aimed at automotive and industry radar systems.


News Feb 20, 2023 by Jeff Child
IEEE RWW Keynotes: Future of RF Looks Rocky and That’s a Good Thing

IEEE RWW Keynotes: Future of RF Looks Rocky and That’s a Good Thing

At IEEE Radio and Wireless Week (RWW), keynote speakers highlighted the trends in RF and wireless technology, and how design engineers must adapt to meet the new challenges head on.


News Feb 02, 2023 by Aaron Carman
IEEE Radio and Wireless Week Panel: Getting to D-Band is a Group Effort

IEEE Radio and Wireless Week Panel: Getting to D-Band is a Group Effort

At IEEE Radio and Wireless Week 2023, industry leaders in chip fabrication and measurement engaged in a panel discussion to give engineers their opinions on the future of D-band technology.


News Jan 30, 2023 by Aaron Carman
Research Efforts Signal Next Steps for Quantum Processor Evolution

Research Efforts Signal Next Steps for Quantum Processor Evolution

A trio of research papers offers new ideas that may solve some of the biggest hurdles to quantum processing technology.


News Jan 14, 2023 by Kristijan Nelkovski
5 Online EE Resources I WOULD Have Been Thankful For

5 Online EE Resources I WOULD Have Been Thankful For

On this Thanksgiving Day, Jeff wonders what his EE college days would have been like if he’d had access to All About Circuits’ rich online resources.


News Nov 24, 2022 by Jeff Child
NASA’s EMIT Mission Taps FPGA Processing to Measure Surface Minerals

NASA’s EMIT Mission Taps FPGA Processing to Measure Surface Minerals

Representing a joint effort to accurately characterize the minerals present on the Earth’s surface, NASA’s JPL leverages optical and FPGA-based advances to help in modeling the Earth’s climate.


News Nov 08, 2022 by Aaron Carman
Your Back-to-School Guide to All About Circuits’ Educational Resources

Your Back-to-School Guide to All About Circuits’ Educational Resources

For students back in college for their Fall semester—and anyone who needs a refresher—here’s the lowdown on our top-notch textbooks, technical articles, and calculators for EE studies.


News Oct 12, 2022 by Jeff Child
What is it About Audio Distortion? Understanding Nonlinearity

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.


New Technique Side-steps Shot Noise for Precision Optics in a Photonic IC

New Technique Side-steps Shot Noise for Precision Optics in a Photonic IC

A new technique eliminates the limitations of shot noise on laser interferometry.


News Nov 16, 2021 by Jake Hertz
What Is the Power Spectrum of Quantization Noise?

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.


Modeling ADCs Using Effective Number of Bits (ENOB)

Modeling ADCs Using Effective Number of Bits (ENOB)

Learn about the concept of ENOB (effective number of bits) and how it can be used in modeling data converters in system simulations.


PCB Layout Techniques for Reducing Harmonic Distortion of a Differential ADC Driver

PCB Layout Techniques for Reducing Harmonic Distortion of a Differential ADC Driver

Summary


In a Reach for Industry 4.0, ADI Unveils Condition-Based Monitoring Dev Kit

In a Reach for Industry 4.0, ADI Unveils Condition-Based Monitoring Dev Kit

Condition-based monitoring is important to consider when designing with vibration in mind, especially in IoT and industrial applications. A new development platform knits together resources for hardware designers, software engineers, and algorithm developers alike.


News Feb 08, 2021 by Adrian Gibbons
Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Summary


Reducing Second Harmonic Distortion with Symmetrical PCB Layout

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.


Computing Fast Fourier Transforms on the LPC55S69 MCU

Computing Fast Fourier Transforms on the LPC55S69 MCU

This article investigates the Transform Engine, another part of the PowerQuad, which enables the LPC55S69 MCU to compute a Fast Fourier Transform (FFT).


How the PowerQuad Co-processor Frees Up CPU Cores in the LPC55S69 MCU

How the PowerQuad Co-processor Frees Up CPU Cores in the LPC55S69 MCU

In this article, learn about the PowerQuad co-processor and its role in performing CPU-heavy tasks to allow the Arm Cortex-M33 cores to execute other tasks in the LPC55S69 MCU.


Researchers in Japan Claim New Quantum Circuit Can Compute the Fast Fourier Transform

Researchers in Japan Claim New Quantum Circuit Can Compute the Fast Fourier Transform

Looking to build upon pre-existing quantum Fourier transform implementations, researchers in Japan have turned to the Fast Fourier Transform.


News Oct 20, 2020 by Jake Hertz