Comment by stavros Comment by stavros 5 days ago 1 reply Copy Link View on Hacker News Excellent, thank you. I already do the plane, but not the caps. Thanks!
Copy Link ted_dunning 5 days ago Collapse Comment - Based on seeing lots of beginners (me, too, at one time) do ground planes wrong, this video may help:https://www.youtube.com/watch?v=EEb_0dja8tE&t=746sHans Rosenburg explains some tricky concepts very clearly. The upshot isa) 4 layer boards are much easier to get rightb) you really need an unbroken ground plane for return currents. This is often incompatible with having just two layers.c) putting the ground plane much closer to the protected signals is a really good thing. Again, that means 4 layer boards. Reply View | 0 replies
Based on seeing lots of beginners (me, too, at one time) do ground planes wrong, this video may help:
https://www.youtube.com/watch?v=EEb_0dja8tE&t=746s
Hans Rosenburg explains some tricky concepts very clearly. The upshot is
a) 4 layer boards are much easier to get right
b) you really need an unbroken ground plane for return currents. This is often incompatible with having just two layers.
c) putting the ground plane much closer to the protected signals is a really good thing. Again, that means 4 layer boards.