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

[DJ Delorie <dj@xxxxxxxxxxx>]

> App notes and example designs are special cases: there is only
> one chip straddling the analog and digital divide.  If you have
> more than one (e.g., both an ADC and a DAC) all those ideas
> pretty much go out the window, and you're better off with a
> single ground plane.

I have 16 of these chips, all talking to a single MCU.  The 8 on one
side have their own analog power/gnd, and the 8 on the other side have
their own.  The board will go inside my circuit breaker panel box,
powered by a USB cable.

board: http://www.delorie.com/pcb/powermeter.jpg
       http://www.delorie.com/pcb/powermeter.pcb


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