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Power Delivery Network (PDN) for Low EMI
In this article, we will explore the intricacies of building a power delivery network (PDN) for low EMI.

Dario Fresu
17 min read


Understanding ESD: How to Protect Your Electronics from Electrostatic Discharge
In this lesson, we will discuss electrostatic discharge, and explore how to mitigate the EMI issues this phenomenon creates in our PCBs

Dario Fresu
28 min read


Introduction to Electromagnetic Compatibility (EMC)
In this article, I will give you a quick introduction on the topic of EMC and EMI.

Dario Fresu
6 min read


What is Impedance?
In this article, we are going to talk about the different types of impedance, what we need to care about, and why are important for us.

Dario Fresu
7 min read


Electromagnetic Fields in a Two-Layer PC Board
In this article, we are going to explore what happens when, instead of a return reference plane, we have another signal trace in the layers

Dario Fresu
5 min read


Mastering EMI Control in PCB Design: Decoupling Strategies for PDN
In this article, we’ll dive deeper into PDN strategies and discuss how to optimize them for better EMI performance in your PCB projects.

Dario Fresu
1 min read


Failing to manage EMI begins with the PCB stackup!
Action list: 1. Get the New EMI Quick Fixes Guide - 2025 The problem is that we are often taught that electronic circuits behave like...

Dario Fresu
1 min read


Mastering EMI Control in PCB Design: How to Design PCBs for Low EMI
In this fourth article in our series on "Mastering EMI Control in PCB Design", we will explore advanced aspects of managing EMI.

Dario Fresu
1 min read


PCB Layout Review for EMC and Signal Integrity - MPPT Charge Controller
In this lesson, we'll review an MPPT project for solar panel applications, focusing on EMC and signal integrity.

Dario Fresu
17 min read


Mastering EMI Control in PCB Design: Crosstalk Prevention for better EMI
The last article of the EMI Control in PCB Design series I wrote for Altium® is finally out! This time is all about crosstalk! Don't miss...

Dario Fresu
1 min read


i.MX8 SOM - EMI Design Layout Review
In this lesson we dive deep into the review of the iMX8 processor PCB, focusing on Electromagnetic Compatibility (EMC) and signal integrity.

Dario Fresu
20 min read


Fundamentals of PCB Design For EMC & Low EMI
In this article, we are going to explore the fundamental concepts necessary to understand Printed Circuit Board design for passing EMC.

Dario Fresu
9 min read


Understanding the Role of Electronics in Modern Engineering
Electronics boost engineering efficiency in civil, mechanical, and electrical fields, despite e-waste challenges.

Fresu Electronics AI
3 min read


How Open Hardware is Transforming the Tech World
Open hardware is fundamentally changing the landscape of technology, paving new paths for innovation, accessibility, and collaboration.

Fresu Electronics AI
4 min read


Decoupling Strategies For EMC Design
In this lesson, I intend to discuss two significant considerations that arise when attempting to address EMC issues.

Dario Fresu
3 min read


Current Return Path - High Speed vs Low Speed Signals
In this lesson, we will explore how the return current in a circuit changes with frequency & how these variations influence the EMC results.

Dario Fresu
6 min read


How To Avoid Signal Crosstalk
In this lesson we will explore the effects of routing signal traces in close proximity to each other, a phenomena known as signal crosstalk.

Dario Fresu
5 min read


Stitching Vias in Multilayer PCB Stackups and Their Role in Reducing EMI
This article explores the role of stitching vias in maintaining signal integrity and EMC as signals transition between layers in a PCB.

Dario Fresu
4 min read


Unraveling the Mystery: A Step-by-Step Guide to Mastering PCB Design
Printed Circuit Boards (PCBs) are the silent force behind almost every electronic device we use, from smartphones to complex machinery....

Fresu Electronics AI
5 min read


Is this the best choice to avoid EMI in your PCB?
Action list: 1. Get the New EMI Quick Fixes Guide - 2025 I keep seeing this recommendation for low EMI from many PCB designers, including...

Dario Fresu
2 min read


How To Choose The Stackup For EMC Design
In this third article of the Mastering EMI Control in PCB Design series, we are going to explore is the choice of the layer stackup in a PCB

Dario Fresu
1 min read


GND connections in a PCB
Action list: 1. Get the New EMI Quick Fixes Guide - 2025 How can this create EMI issues? One of the things I am starting to notice more...

Dario Fresu
1 min read


The Problem With Routing Signal Traces Over Power Planes.
What do you notice here? Action list: 1. Get the New EMI Quick Fixes Guide - 2025 For some PCB designers, this might just look like a...

Dario Fresu
2 min read


2-Layers Board Stackup for Low EMI
Action list: 1. Get the New EMI Quick Fixes Guide - 2025 One of the fastest ways to fail EMI with your PCB: Choose the wrong stackup. The...

Dario Fresu
2 min read
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