Re: gEDA-user: basic anti-EMI design q

[Karel Kulhavy <clock@xxxxxxxxxxxxx>]

On Fri, Mar 24, 2006 at 12:08:25PM -0500, DJ Delorie wrote:
> 
> > Send a picture of your system.
> 
> The existing system is here: http://www.delorie.com/house/furnace/
> There's a cover for the box, when attached the only opening is along
> the bottom where the wires go.

You board is missing a groundplane. The case is not a shielding case. I
suggest to add a groundplane to the board and make the case shielding.

> 
> No pictures of the new system yet.
> 
> > Take a 300MHz bandwidth DSO which can do the bandwidth without
> > interlacing.
> 
> Don't have one, can't afford one.

With this design you don't have to anymore I think the problem is
obvious.

CL<