Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-13 23:21 UTC

Message

Re: ground planes - two sides, or just one?

2011-04-07 by Andrew

Thanks, Bill, I will check this out.

--- In Homebrew_PCBs@yahoogroups.com, William Laakkonen <worldradiolabs@...> wrote:
>
> Andrew,
> 
> I highly recommend reading all the tips at the Hott Consultants web site. As
> you question is very general, it may help guide you a bit. I worked for a
> very high precision metrology equipment maker-- we separated analog and
> digital grounds (actually often compartmentalized them), connected with vias
> the grounds on upper, lower, and inner layers, guard rings, guard layers,
> etc-- we had a saying: "all roads lead to Mecca" and you could literally see
> this in the board layouts.  Of course metrology are different than RF, so it
> depends on what you're building and the frequency domains involved.
> 
> The best resource I have found:
> http://www.hottconsultants.com/techtips/split-gnd-plane.html
> 
> Good luck with your design.
> 
> Best regards,
> 
> Bill Laakkonen
> 
> On Wed, Apr 6, 2011 at 7:19 PM, Andrew <a_wake@...> wrote:
> 
> >
> >
> > I am closing in on designing a board that is a mix of SMD and through hole
> > parts. I am using a zone on the bottom side to provide a ground plane; I
> > wondered about adding a zone to the top as well. If I did a top zone, is
> > there any reason I can't make it a ground plane as well?
> >
> >  
> >
> 
> 
> [Non-text portions of this message have been removed]
>

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.