Electronics > Beginners
How to debug a USB 3 connection?
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wraper:
And it would be better to not have GND fills at all at outer layers rather than having them located inconsistently around diff pairs, thus inconsistently affecting impedance.
dmills:
That board does have a buried ground plane right? If not I think you have diff pairs crossing reference planes in a few places, never a good look at these speeds.

Regards, Dan.
wraper:

--- Quote ---Board is 4 layer, the middle 2 are ground only.
--- End quote ---
dmills:

--- Quote from: wraper on December 02, 2018, 01:30:12 pm ---Board is 4 layer, the middle 2 are ground only.

--- End quote ---
Gaa, insufficient caffeine error!

Regards, Dan.
Jackster:
Should I just hire someone from here to start from scratch instead of bothering with this freelancer?
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