?lvaro Lopes wrote: > Not good for RF lines - vias introduce a lot of reflection.
So you'd keep RF on the surface ? And RF signals crossing a can boundary get a hole in the can ? I now see that this seems to be what has been done with GPS. > BOTTOM: components + routing > L7: ground (less strict) > L6: routing + ground > L5: ground (strict) ?? > L4: (power routing ?) > L3: ground (strict) ?? > L2: power > TOP: components, routing So you'd start with 8 layers and then see if two of them end up bring avoidable ? > Current design has many. Not sure we can avoid buried vias at all. The fewer layers we have, the less difference there is between a buried and a blind via ;-)) - Werner _______________________________________________ gta02-core mailing list [email protected] https://lists.openmoko.org/mailman/listinfo/gta02-core
