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Q&A

Posts tagged ground-plane

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57%
+2 −1
Q&A Signals and plane on the same layer

Hi, I’m working on a PCB layout, which is only about the second board I’ve ever designed. I’d appreciate some help with the following issue: This board has two layers: The top layer is used f...

3 answers  ·  posted 13d ago by Eyal78‭  ·  last activity 7d ago by TonyStewart‭

71%
+3 −0
Q&A Power polygon and matching ground

For power polygon that primarily carry DC, how critical is it that it is located above a ground plane? If it is important, how crucial is it that the polygon completely overlaps the ground plane b...

2 answers  ·  posted 13d ago by Eyal78‭  ·  last activity 10d ago by Olin Lathrop‭

66%
+4 −1
Q&A PCB ground planes with isolated voltage

I have designed a PCB that I need to work in which a microcontroller drives a 24 V brushed motor. The input power to the board is 24 V, this is then lowered to 5 V by a step down converter, and thi...

3 answers  ·  posted 3y ago by Alinik‭  ·  last activity 2y ago by KalleMP‭

75%
+4 −0
Q&A Thermal relief for through-hole on multi-layer PCB

When using through-hole ("THR") connectors on a multi-layer PCB, I frequently notice problems with the ground pins, when these are connected to the ground plane(s) through various "thermal relief" ...

1 answer  ·  posted 3y ago by Lundin‭  ·  edited 3y ago by Nick Alexeev‭