How to reduce ground loop noise in a PCB layout?

[vijaya_narayana]

can any body give tell me how to reduce ground loop noise in a PCB layout

 

[cyberrat]

ground loop noise

Redesign the board?

Lots of groundplane, dont have breaks in it, dont have breaks in the return path of noisy/sensitive signals.
Keep sensitive signals away from noisy ones, find out whats generating the noise in the first place & redo that section of board (if not all of it).

 

[Rame]

Re: ground loop noise

Hi,

Check this links below,

https://www.ultracad.com/articles/loop.pdf



Regards,

Ramesh

 

[electron_boy]

Re: ground loop noise

have atleast one solid plane to reference the signals.
keep it closer to pwr plane(if it were gnd)
add decaps wherever u think noise would appear...(this is just a brute force method actually u ll have to calculate the decap vaule and decide the placement after many simulation iterations)

 

[cyberrat]

ground loop noise

Dont turn it on

 

[funnynypd]

ground loop noise

Filter, CAP, one point center grounding, shielding, etc.