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What Is a Hardware Description Language (HDL)?

What Is a Hardware Description Language (HDL)?

This FEQ (or Frequent Engineering Question) covers the basics of a crucial topic: hardware description languages.


The Mapping Function and Circuit Implementation in Histogram Equalization

The Mapping Function and Circuit Implementation in Histogram Equalization

In this article, we'll look into greater details on a histogram equalization method, including use cases of the mapping function and circuit implementation.


Low-Pin-Count Serial Communication: Introduction to the 1-Wire Bus

Low-Pin-Count Serial Communication: Introduction to the 1-Wire Bus

The 1-wire bus, though not as widespread as other protocols, is a valuable communication technique for certain applications.


Introduction to Histogram Equalization

Introduction to Histogram Equalization

How can digital signal processing help you equalize histograms for digital photography? Learn more here.


What Are Zero-Ohm Resistors and How Are They Used In Circuit Design?

What Are Zero-Ohm Resistors and How Are They Used In Circuit Design?

In this FEQ (Frequent Engineering Question), we'll take a look at the advantages of zero-ohm resistors and where they're most suitable in design.


Introduction to the I2S Interface

Introduction to the I2S Interface

This article discusses the characteristics and applications of a serial communication protocol intended specifically for audio systems.


Image Arithmetic in DSP: Image Averaging and Image Subtraction

Image Arithmetic in DSP: Image Averaging and Image Subtraction

Learn how to employ arithmetic operations on images as a way to enhance image quality, detect changes, and reduce noise.


The 16 Boolean Logic Functions of Two-Input Systems

The 16 Boolean Logic Functions of Two-Input Systems

Learn about all 16 possible logic functions that can be realized for two binary inputs.


Understanding Operational Amplifier Slew Rate

Understanding Operational Amplifier Slew Rate

This article explores an important limitation that can cause a real-life op-amp to deviate from the behavior of its idealized counterpart.


Improving Phase Accuracy Using a Composite Op-Amp

Improving Phase Accuracy Using a Composite Op-Amp

This is the final part of a six-article series on composite amplifiers. In this last part, we'll show how to improve phase accuracy.


Achieving High DC Precision Using Composite Op-Amps

Achieving High DC Precision Using Composite Op-Amps

In Part 5 of this series on composite amplifiers, we'll discuss how to achieve higher DC precision.


How to Increase Slew Rate in Op Amps

How to Increase Slew Rate in Op Amps

Learn how to get faster composite op-amp dynamics by raising the slew rate.


Achieving Faster Composite Op-Amp Dynamics by Expanding the Frequency Bandwidth

Achieving Faster Composite Op-Amp Dynamics by Expanding the Frequency Bandwidth

This is Part 3 of the series of articles about composite amplifiers. In this section, we are going to show how to achieve faster op-amp dynamics by expanding the frequency bandwidth.


Voltage Buffer Simulation in PSpice: Boosting the Output Current Drive of Op-Amps

Voltage Buffer Simulation in PSpice: Boosting the Output Current Drive of Op-Amps

Learn how simulating a voltage buffer can help you implement it more effectively to boost the output current drive of an op-amp.


How to Boost the Output Current Drive Capability of an Op-Amp

How to Boost the Output Current Drive Capability of an Op-Amp

In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output current drive capability.


Exponential and Piecewise-Linear Analysis in Forward-Conducting Diode Circuits

Exponential and Piecewise-Linear Analysis in Forward-Conducting Diode Circuits

This article presents three analysis methods in which a diode is modeled using an exponential current–voltage relationship or a threshold-based linear relationship.


Simplified Circuit-Analysis Techniques for Forward-Conducting Diode Circuits

Simplified Circuit-Analysis Techniques for Forward-Conducting Diode Circuits

This article explains two methods that we use to evaluate the currents and voltages that are present in a circuit that includes one or more diodes.


The Exponential Current–Voltage Relationship in Forward-Conducting Diodes

The Exponential Current–Voltage Relationship in Forward-Conducting Diodes

This article provides foundational information on the electrical behavior of forward-biased diodes.


How Is a Load Line Used in Circuit Design?

How Is a Load Line Used in Circuit Design?

In this entry of our Frequent Engineering Questions (FEQ) series, learn the basics of how a load line can be used in designing circuits.


What Is a Linear Voltage Regulator?

What Is a Linear Voltage Regulator?

Learn the basics of linear voltage regulators in this bite-sized education brief.