Re: gEDA-user: pcb, howto partition power planes?

[Joerg <joergsch@xxxxxxxxxxxxxxxxxxxxx>]

Stuart Brorson wrote:

[...]

> Therefore, the folks at National Semiconductor push the idea that you
> place analog and digital components as far away from one anther as
> possible on your board.  Also, keep analog and digital signal tracks
> as separated as possible.  But use a *single* solid ground plane
> everywhere for the best noise performance.  I've used this
> advice in practice, and have had no problems (at least with radiation
> and noise).
> 

That's because Bob Pease and Robert Widlar used to work there. And those 
guys really know ;-)

Or knew, in Robert Widlar's case :-(

-- 
Regards, Joerg

http://www.analogconsultants.com/



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