[Arm-netbook] HDMI High-Frequency Layout: Recommendations

[Luke Kenneth Casson Leighton]

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crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68


On Tue, Aug 29, 2017 at 7:12 PM, Richard Wilbur
<richard.wilbur at gmail.com> wrote:
>> On Aug 22, 2017, at 12:25, Luke Kenneth Casson Leighton <lkcl at lkcl.net> wrote:
>>
>> okaay, wiggle-progress... 1st image is left end, i think CX and TX0 i
>> can shorten even more, there's definitely plenty of space there, big
>> gap.
>
> Do you mean left end from the top of the board?  (The first image I see shows the μHDMI connector end of the differential pairs.)

 micro-hdmi connector is right end.

>> 2nd image, right end, this is where i've added intra-pair wiggles at
>> the 45 degree bends.
>
> Do you mean right end from the top of the board?  (The second image I see shows the SoC end of the HDMI differential pairs.)

 SoC end of the HDMI traces is left end.

 so.

 http://lists.phcomp.co.uk/pipermail/arm-netbook/2017-August/014639.html

 this is right end:
 http://lists.phcomp.co.uk/pipermail/arm-netbook/attachments/20170822/a4632db6/attachment-0002.jpg

 this is left end:
 http://lists.phcomp.co.uk/pipermail/arm-netbook/attachments/20170822/a4632db6/attachment-0003.jpg

so.

>> okaay, wiggle-progress... 1st image is left end, i think CX and TX0 i
>> can shorten even more, there's definitely plenty of space there, big
>> gap.

  http://lists.phcomp.co.uk/pipermail/arm-netbook/attachments/20170822/a4632db6/attachment-0003.jpg


>> 2nd image, right end, this is where i've added intra-pair wiggles at
>> the 45 degree bends.

 http://lists.phcomp.co.uk/pipermail/arm-netbook/attachments/20170822/a4632db6/attachment-0002.jpg

l.