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mschramm

  • Registered on: 03/11/2016
  • Last connection: 06/19/2018

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06/19/2018

07:39 PM Misc Hardware Projects Feature #3328 (In Progress): Check Openvizsla BOM to figure out which parts might be difficult / impossible to source
06:31 PM Misc Hardware Projects Feature #3313: design simple SFP experimentation board
A simple PCB has been committed, derived mainly from SFP exoperimenter PCB (see #3313).
Remarks see ticket #3313,...
05:07 PM Misc Hardware Projects Feature #3314: design simple SFP experimentation board with LVDS transceiver
committed a first proposal for an SFP experimenter PCBA.
remarks:
* the width of the differential signal trace...

06/12/2018

01:02 PM Misc Hardware Projects Feature #3313 (In Progress): design simple SFP experimentation board
09:55 AM Misc Hardware Projects Feature #3328: Check Openvizsla BOM to figure out which parts might be difficult / impossible to source
OK, then I wait for the extracted eBOM to further investigate whether any of the passives (e.g. inductances) are crit...

06/08/2018

08:52 PM Misc Hardware Projects Feature #3314: design simple SFP experimentation board with LVDS transceiver
Committed libs for SN65LVDS1 and SN65LVDT2 (single port LVDS tx /rx) and will continue to design with them.

06/07/2018

05:27 PM Misc Hardware Projects Feature #3314: design simple SFP experimentation board with LVDS transceiver
tnt wrote:
> Huh ... don't you have TX/RX swapped on the SFP there ?!?
>
> RD pins are the SFP receiver pins i.e....
03:33 PM Misc Hardware Projects Feature #3314: design simple SFP experimentation board with LVDS transceiver
After creating the footprint for the SN65LVDS180 and placing it close to the SFP, it reveals that this would mean cro...
01:12 PM Misc Hardware Projects Feature #3314 (In Progress): design simple SFP experimentation board with LVDS transceiver

06/05/2018

12:05 PM E1/T1 Hardware Interface Support #3317 (In Progress): Do we still have MAX5215 and/or MAX6163 at sysmocom?
Just checked - we have MAX6163AESA+ and MAX5215GUA+ in stock, both 8 pieces. @tnt : Do you want to have sent all of ...

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