[gta02-core] ECN0024 (GPS ground and layout)
alvieboy at alvie.com
Thu Oct 8 21:14:00 CEST 2009
Werner Almesberger wrote:
> ?lvaro Lopes wrote:
>> Same guy. :)
> For a moment, you had me worry that the same guy was arguing both
> sides :-)
He might aswell be :)
>> Personally I'd like to not split grounds, but to achieve the same
>> "effect" we might have to change layout a bit.
> What kind of change would that be ?
Avoiding low-frequency return paths (least resistance path) crossing RF areas. Ensuring high-freq returns are not split (least impedance path).
Some references regarding this problem I found interesting:
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