Latest EDA Tools Technical Articles

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Digital Square Wave Generator Design Via a Ring Oscillator, 555 Timer, and Arduino

Learn about digital square wave generators using a ring oscillator, a 555 timer-based oscillator, and an Arduino-generated square wave oscillator.

December 11, 2022 by Nicholas St. John

Magnetic Field Strength Meter and Calibrator

This project will explain how to develop a system to measure magnetic field emissions at frequencies up to 150 kHz from high-current power cables without cutting or disturbing the cable.

October 28, 2022 by John Woodgate

Fourier Series Circuit Analysis—An Intro to Fourier Series Representation

Learn about the importance of the Fourier series in circuit analysis and the Fourier series equations, while gaining insight into how this analysis tool works.

October 16, 2022 by Dr. Steve Arar

Hazards in Combinational Logic Circuits

This article covers undesired switching events, known as hazards, that can occur when developing combinational logic circuits.

December 30, 2021 by Dale Wilson

Combinational Logic Circuit Design and Simulation Using Gates

Gate-level implementation of logic functions is limited by the gate fan-in. This article examines logic factoring, grouping, and level increases to implement logic functions with limited input gates.

December 29, 2021 by Dale Wilson

How Should Data Converters Be Modeled for System Simulations?

This article launches a series exploring the question of how to model data converters for system simulations.

February 25, 2021 by Wes Brodsky

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

Summary

February 19, 2021 by Dr. Steve Arar

Modeling Hysteresis in SPICE

Modeling hysteresis in SPICE can be difficult when you're dealing with a multivalued transfer function. In this article, we'll teach you a way to "cheat" to get around this issue.

January 22, 2021 by Kevin Aylward

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.

January 18, 2021 by Dr. Steve Arar

Comparing Binary, Gray, and One-Hot Encoding

This article shows a comparison of the implementations that result from using binary, Gray, and one-hot encodings to implement state machines in an FPGA. These encodings are often evaluated and applied by the synthesis and implementation tools, so it’s important to know why the software makes these decisions.

January 05, 2021 by Eduardo Corpeño

The Initial State of Finite State Machines and the Memory Debate

This article discusses the use of finite state machines (or FSMs) in design, including the initial state and the way memory configuration affects FPGA design.

January 04, 2021 by Eduardo Corpeño

Creating Finite State Machines in Verilog

This article describes the basics of finite state machines and shows a practical way of implementing them in the Verilog Hardware Description Language.

January 01, 2021 by Eduardo Corpeño

What Is Mixed-Signal IC Design?

This brief gives an overview of the steps in a typical mixed-signal IC design flow.

December 07, 2020 by Jean-Jacques DeLisle

What Is RF Integrated Circuit Design?

Learn the high-level steps behind RFIC design.

December 06, 2020 by Jean-Jacques DeLisle

What Is Digital IC Design?

Learn the high-level overview of digital integrated circuit (IC) design.

December 02, 2020 by Jean-Jacques DeLisle

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.

October 19, 2020 by Ignacio de Mendizábal

How Is the Laplace Transform Used in Circuit Design?

In this article, we briefly review how the Laplace transform can help us solve circuits involving damped and steady-state sinusoidal signals.

June 05, 2020 by Robert Keim

What Is a Printed Circuit Board (PCB)?

This FEQ (Frequent Engineering Question) gives you essential information about the most important and widespread technique for converting a theoretical circuit into a functional physical device.

April 10, 2020 by Robert Keim

What Is a Hardware Description Language (HDL)?

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

March 11, 2020 by Robert Keim

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.

March 06, 2020 by Robert Keim