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EMC Consutancy & Design solutions
Francesco Poderico
Jan 24, 20233 min read
Radiated emissions due to split planes.
As part of my job, I have been analyzing PCB layouts that have been designed by third parties. Whenever I do this, it is interesting to...
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Francesco Poderico
Nov 23, 20222 min read
Common mode emission on card extensions and ground bouncing.
Today, it is common for a product to contain a motherboard and several daughter boards. In the following example, let us imagine that we...
621 views1 comment
Francesco Poderico
Nov 11, 20222 min read
Routing strategy when changing layer.
I designed my first general I/O PCI card when I was a student (a few years ago now :-)). The PCI card was part of my thesis, and the...
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Francesco Poderico
Nov 11, 20221 min read
PCB Crosstalk and how to use the ground plane to minimise it.
To avoid EMI and crosstalk on both PCB traces and connectors, it is crucial to understand the return path current. Previously, I...
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Francesco Poderico
Oct 26, 20222 min read
Placement of vias on bypass capacitors.
When we place our bypass capacitors on a PCB, there are several factors that may affect the series inductance of the capacitor ESL when...
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Francesco Poderico
Oct 22, 20222 min read
Why do we need the ground/power planes!
Recently, a customer contacted me about the possibility of "fixing" their design from the standpoint of EMC. The board may function...
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