Nobody seems to care about EMC or EMI when designing new electronic products.

Until it's too late, of course.

Then all the stakeholders get involved.

Especially when the project has been stuck for a few years because you haven’t found the issue.

And to make things worse, the project is already over budget.

🔹 Do all signals, especially those on surface layers, have a continuous, low-impedance return path underneath them?

🔹 Have you minimized asymmetries between differential pair signals?

🔹 Have you placed filters and protections on all external I/Os?

🔹 Have you stitched all return reference planes ("grounds") to minimize plane resonance?

🔹 If you’ve used power planes, are they adjacent to the return reference plane and as close together as possible?

If you're an electronics engineer serious about designing EMI-compliant PCBs, here’s your step-by-step roadmap:

🔹 Level 1 – PCB Design Course (FREE today)

🔹 Level 2 – EMI/EMC Design Course (FREE today)

🔹 Level 3 – PCB Experts Academy (Exclusive Access)

🔹 Level 4 – 1:1 EMI Specialist Training (Personalized Coaching)

Make sure to check out the entire series, Mastering EMI Control in PCB Designs.

You can also find more resources on my website: fresuelectronics.com/blog

Hope this helps, 

-Dario

Think again.

That tiny mistake can wreak havoc on EMI and signal integrity.

I break it down in this short video. Watch below. 👇

Want the full breakdown?

Read the full article here: fresuelectronics.com/blog

The coupling of electromagnetic fields from a discharge event that occurs at a distance from your product.

This is especially true when the product is housed in a plastic enclosure, which offers no protection in this case.

We may fall into the trap of thinking that the ESD event must be generated on or very close to the product, but this is often not the case.

So the question is: how can we prevent this from happening?

How can we prepare ahead before the project gets stuck in the pipeline, wasting millions of dollars?

Most PCB designs fail because of EMI issues.

Here’s how to avoid that.

Let’s talk about:

- Stackup for low EMI

- High-speed signals

One of the toughest EMC issues you are likely to encounter when designing printed circuit boards is managing radiations from common mode currents.

What makes this so difficult is that the actual parts generating the common mode current, which are the parasitics, are not visible in the schematics.

This is why designing the PCB is not intuitive.

One way to understand and mitigate radiations from common mode currents is to model our system as a dipole (or monopole) antenna.

In this model, the source of the common mode noise is the source of the antenna.

Most PCB designers are making these mistakes without even realizing it.

If you avoid them, you’ll be light years ahead.

Got more?

Drop them in the comments below.

Hope this helps.