On Fri, Jun 16, 2017 at 3:47 AM, Neil Jansen <[email protected]> wrote:
>> so.. you can see, the right-hand pads are really *really* close to >> the edge of the PCB. so for that exact same reason it's impossible to >> bring the tracks in on the top layer. > > OK so if I were laying that out, I wouldn't ever put a via in the middle of > a pad, there's not really any other options: you can see how little clearance there is to the edge of the board: it's flat-out impossible to bring tracks in either in between those two sets, or round the back... and you don't want to anyway: they're differential pairs (up to 1ghz clock rate) because this is HDMI. > not a full time electrical engineer, I only do hobby boards in > quantities of less than 100. Tomorrow I'll ask around at work to see if > any of the EE's have any advice. They do all sorts of crazy things in a > production environment that I would never dream of. there's a way - it just has to be found. l. _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
