> How can I route copper traces on an internal plane? I need to place
many
> copper traces on the internal ground plane and have only found normal
split
> planes or non-copper traces which would be a very difficult way to do it.
I have seen it done by using another routing layer and combining the two
gerbers later. Otherwise Protel don't do that. Of course after the problems
I had fixing the screwed up board (done in PCAD) I inherited from our
closed California office I don't want to do that either. They blanked off
some of the analog ground layer to route analog signals and cutoff the
analog grounds going out the input connector. This didn't show up on the
DRC because the pins were connected by guard traces so they were hooked to
analog ground, just not an effective analog ground.
Hope this helps,
Rob LaMoreaux
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