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Understanding Digital Filtering with Embedded Microcontrollers

Understanding Digital Filtering with Embedded Microcontrollers

Learn about the widely used methods for filtering and processing data samples in the time domain while taking a closer look at the Dual Biquad IIR engine of the PowerQuad unit in the LPC55S69 MCU. 


More on Noise-Canceling Headphones: Adaptive Controllers in Active Noise Control Systems

More on Noise-Canceling Headphones: Adaptive Controllers in Active Noise Control Systems

Active noise control is a principle technology in noise-canceling headphones. But there's a nuanced part of the ANC conversation that warrants discussion: adaptive controllers and cancelation paths.


News Nov 17, 2020 by Dr. Steve Arar
Transistor Sizing in VLSI Design Using the Linear Delay Model

Transistor Sizing in VLSI Design Using the Linear Delay Model

In this article, we will learn how to find the optimal size of a transistor/logic gate present in a larger circuit to provide the desired performance using the linear delay model.


 Current and Voltage Relationships in Bipolar Junction Transistors (BJTs)

Current and Voltage Relationships in Bipolar Junction Transistors (BJTs)

This video tutorial discusses operating modes and plots that will help you to incorporate bipolar junction transistors into your designs.


What Is a Graphene Field Effect Transistor (GFET)? Construction, Benefits, and Challenges

What Is a Graphene Field Effect Transistor (GFET)? Construction, Benefits, and Challenges

Learn all about graphene field-effect transistors or GFETs. We'll cover their construction, as well as the benefits and challenges of designing with them.


Understanding Active Noise Control Systems—the Tech Underlying Noise-Canceling Headphones

Understanding Active Noise Control Systems—the Tech Underlying Noise-Canceling Headphones

With more people working from home, noise-canceling headphones are ever-more prevalent. What circuitry underlies this popular technology?


News Nov 05, 2020 by Dr. Steve Arar
A New Multimodal Architecture Said to Redefine the Way Transistors Work

A New Multimodal Architecture Said to Redefine the Way Transistors Work

Researchers at the University of Surrey have come up with a new type of transistor that offers linear behavior and huge upside.


News Nov 02, 2020 by Jake Hertz
Decision Feedback Equalization: the Technique Driving DDR5’s Blazing-Fast Transfer Rates

Decision Feedback Equalization: the Technique Driving DDR5’s Blazing-Fast Transfer Rates

As an EE, you might wonder how DDR5 can support blazing-fast transfer rates. One factor is an equalization technique called decision feedback equalization (DFE).


News Oct 29, 2020 by Dr. Steve Arar
Op-Amps as Low-Pass and High-Pass Active Filters

Op-Amps as Low-Pass and High-Pass Active Filters

In this video we will explore a particularly important application of op-amps, namely, the design of high-performance filters that do not require inductors.


Designing and Simulating EMC Filters with LTspice

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.


Op-Amps as Active Band-Pass and Active Band-Reject Filters

Op-Amps as Active Band-Pass and Active Band-Reject Filters

In this video, we will continue our discussion of op-amp-based active filters by examining band-pass and band-reject topologies.


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

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?


News Sep 30, 2020 by Jake Hertz
Non-Idealities in VLSI Circuits

Non-Idealities in VLSI Circuits

This article discusses VLSI (very-large-scale integration) circuits and the sources of non-idealities that affect MOS transistors.


How to Reduce Noise in Low-Voltage Amplifier Designs

How to Reduce Noise in Low-Voltage Amplifier Designs

This article compares the noise performance of two different amplifiers and optimizes noise performance through the use of passive filtering.


Common Operational Amplifier (Op-Amp) Applications

Common Operational Amplifier (Op-Amp) Applications

In this video, we’ll look at some circuits that represent common op-amp applications. We’ll start with the voltage follower, then we’ll move on to an inverting amplifier, an active filter, and a current-to-voltage converter.


Frequency Response of Op-Amp Circuits

Frequency Response of Op-Amp Circuits

This video explores the frequency response of a realistic op-amp and discusses how this frequency response influences the operation of op-amp-based amplifier circuits.


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

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.


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

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?


News Jul 20, 2020 by Adrian Gibbons
Understanding Types of Lock-In Amplifiers and Related Noise Sources

Understanding Types of Lock-In Amplifiers and Related Noise Sources

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


Wi-Fi Is a Power Guzzler. New Multi-Protocol Modules May Change the Game of Battery-Based IoT

Wi-Fi Is a Power Guzzler. New Multi-Protocol Modules May Change the Game of Battery-Based IoT

Wi-Fi's high power consumption represents a serious challenge to battery-powered IoT products. But this may no longer be a problem with the digitally-dominant advanced radio architecture of two new modules from Innophase.


News Jun 09, 2020 by Dr. Steve Arar