2017-08-10 10:18 GMT+02:00 Luke Kenneth Casson Leighton <l...@lkcl.net>: > On Thu, Aug 10, 2017 at 9:01 AM, mike.v...@gmail.com > <mike.v...@gmail.com> wrote: >> 2017-08-09 15:23 GMT+02:00 Luke Kenneth Casson Leighton <l...@lkcl.net>: >>> next set... >>> >> GND shielding parallel to the differentials is interrupted quite >> often. > > because there's simply not enough space to do otherwise. if i could > move the entire CPU and RAM up another 0.5mm it would be doable. but > then i would have to re-route 12 signals which go around the top area > of the board and that's (a) risky and (b) not enough space to do it. >
I found quite some room. See attachments. Red: Easy improvement. Yellow questionable but could use some improvement. Excuse the crappy image editor it's all I have at the moment. Also wouldn't a GND infill on the signal layers be preferable? As log not unconnected islands emerge.
_______________________________________________ arm-netbook mailing list arm-netbook@lists.phcomp.co.uk http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to arm-netb...@files.phcomp.co.uk
