[Arm-netbook] HDMI High-Frequency Layout: Recommendations
Luke Kenneth Casson Leighton
lkcl at lkcl.net
Mon Aug 14 08:14:32 BST 2017
On Mon, Aug 14, 2017 at 7:43 AM, mike.valk at gmail.com
<mike.valk at gmail.com> wrote:
> 2017-08-13 14:20 GMT+02:00 Luke Kenneth Casson Leighton <lkcl at lkcl.net>:
>> btw yes i managed to move IPSOUT slightly to the right and got a GND
>> line in between them, without too much disruption. thank you for
>> prompting me to do that.
> Amazing! Just a nitpick left. You mentioned the GND flood-fill
> distance is 10mil. That means that GND will 10 mil removed from
> tracks. Personally I'd trace the GND as close as possible to the diff
> signals. But that may be just overcautious.
ok sorry, i was slightly wrong. clearance is also 5mil but there's
something called "rounding" on the flood fill which stops it from
curving into tight spaces.
> I don't have any fancy math like Richard so it might be FUD. Or just
> my mild form of OCD. :-)
> Or is that 10mil the minimum gap size? That would make sense.
> Anyway a picture of the flood-fill will reveal everything.
attached. greyscaled (smaller). original GND tracks are still
visible but they're *combined* with the floodfill.
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