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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
Mastering EMI Control in PCB Design: Component Placement for EMC
The second article of the Altium® Mastering EMI Control in PCB Design  series is now live! In this installment, I cover Component...
Dario Fresu
1 min read
Mastering EMI: The Key to Successful PCB Design
One of the most rewarding things you can do as a PCB designer is to specialize in EMI. Some people say that you're either cut out for it...
Dario Fresu
1 min read
You don't have to be 10 years into PCB Design to become an EMI specialist.
In fact, I bet you already have a lot of knowledge on the topic, but what I see people struggling with the most is putting things...
Dario Fresu
1 min read
5 Simple Steps to Avoid EMI in your PCB Design.
Here are 5 simple steps to find EMI issues early in your PCB design process: 1. Check the stackup. The stackup is the foundation of...
Dario Fresu
2 min read
This Is Why You Keep Failing EMI.
Routing over a split in the return reference plane is one of the surest recipes for EMI failure. It took me some time to understand this....
Dario Fresu
1 min read
Does electricity work like water in the pipes?
Many of us approach printed circuit board design as if we are plumbers. We’re still stuck with the idea that electromagnetism in a PCB...
Dario Fresu
1 min read
PCB Design For Low EMI in practice: "Ground is the place where potatoes and carrots thrive"
As simple as this phrase is, it’s one of my favorites from one of my favorite EMI engineers, Bruce Archambeault. It also touches on one...
Dario Fresu
1 min read
Don’t rely too much on your EMI filters!
Most of us get this wrong when we first hear about EMI. They tell us that filters and shields are the key to solving EMI issues and that...
Dario Fresu
2 min read
The Real Job of a PCB Designer: Controlling Electromagnetic Energy
When I first started with PCB design, I thought a PCB designer’s job was simply to take electrical schematics and replicate them exactly...
Dario Fresu
2 min read
EMI: How an invisible force challenges the very essence of PCB design
In cooperation with Altium Designer, we started a new EMI series: Mastering EMI Control in PCB Design. In this first article, I dive...
Dario Fresu
1 min read
Maximising the Value of the Schematics
One of the misconceptions I had about designing a schematic when I started in this field was that the schematic is only a representation...
Dario Fresu
2 min read
Common-mode currents... What a nightmare!
Indeed, they can be! Especially if your goal is to certify your electronic product, and EMC keeps failing test after test. I think this...
Dario Fresu
1 min read
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