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Propagation Delay

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Creedonics:
Hello Everyone,

So i'm working on a fairly large and difficult PCB Design using KiCad and i'm in need of matching the propagation delay of my ULPI signals, however i can not find such tool in KiCad, do you know of any plugin that allows me to do so ? or any formula ? or a program that does that for me ?

thank you all!

ataradov:
Your ULPI PHY should be as close as possible to the ULPI link. If you need to place link+PHY away from the connector, then it is better to make USB signals longer than ULPI signals.

And after that matching the length approximately by eye should be sufficient for practical applications.

There are no tools for that in KiCad itself, but there are various plugins for this. But you will spend more time trying to figure them out than just routing it by hand.

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