2017-06-16 9:07 GMT+02:00 Luke Kenneth Casson Leighton <l...@lkcl.net>:
> On Fri, Jun 16, 2017 at 8:03 AM, mike.v...@gmail.com > <mike.v...@gmail.com> wrote: > > > > Speaking of near the edge. The tracks on the board seem awfully close the > > boards cutoff edge. > > yyep they are. > > > Doesn't that create a problem for cutting them out? > > no but it does cause an imbalance in the differential pairs unless > the tracks come in dead-straight from the left, and it also means that > ground shielding isn't possible. > > normally the connector would be at least 20-30 mil away from the edge > so that ground vias could be placed all along the right-hand edge. > that's near-flat-out impossible. the best that can be hoped for is > that the three pins (in grey) which are GND will do the job of > creating an EMI shield instead. > I was talking about the photo's not the connector. _______________________________________________ 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
