[Arm-netbook] EOMA68-A20 2.7.4 pre-production prototypes received and working

[mike.valk at gmail.com]

Op 16 jun. 2017 15:57 schreef "Luke Kenneth Casson Leighton" <lkcl at lkcl.net
>:

On Fri, Jun 16, 2017 at 11:06 AM, mike.valk at gmail.com
<mike.valk at gmail.com> wrote:

> Since the schematics already show two layers with HF signal tracks why not
> place the Tx and Rx track on top of each other. Result: Parallel tracks.

the impedance of different layers is different, so no this does not
work.  or forces you to do a stack analysis.  and simulations.  which
cost tens of thousands of dollars.


Bleh. It looked so pretty in my mind. ;-(

So different layers have different copper thickness.


l.

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