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Dario Fresu

PCB Hacker - Team

PCB Hacker - Founder

Watch out for antenna-like structures in your PCBs if you want to pass EMC tests!


Yes—it can be that simple to create EMI issues.


Any metal structure in your PCB can start behaving like an antenna if not designed properly.


One common example? Copper fills or copper pours.


If these aren’t handled with care—especially when tied to wires or nets like GND—they can easily become unintentional radiators or receivers of electromagnetic interference.


It’s a small design detail that can have a big impact.


Keep this in mind if your goal is to pass EMC testing on the first try.


– Dario



P.S. Want to master EMI control and get your design through EMC testing?



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