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tnt

  • Registered on: 02/07/2016
  • Last connection: 09/06/2018

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09/07/2018

06:33 PM Misc Hardware Projects Support #3523: assemble + test SFP experimentation board with LVDS transceivers onboard
SN65LVDS1DBVR is out of stock at farnell until october. But the SN65LVDS1DBVT is available.

07/28/2018

11:56 AM Misc Hardware Projects Feature #3313: design simple SFP experimentation board
nm ... I misread the datasheet of that chip, it can do 500 mA ...
11:52 AM Misc Hardware Projects Feature #3313: design simple SFP experimentation board
SFP+ allows up to 450 mA current to be used by the module.
11:42 AM Misc Hardware Projects Feature #3314: design simple SFP experimentation board with LVDS transceiver
A couple of comments :
* Add pin headers for power input/output as well (both before and after the regulator in ca...

06/13/2018

02:38 PM Misc Hardware Projects Feature #3326: Build a batch of Openvizsla USB LS/FS/HS protocol tracers
Attached the BOM. Generated directly from the 'Altium output script' in the repo.

06/09/2018

09:25 AM E1/T1 Hardware Interface Support #3317 (Resolved): Do we still have MAX5215 and/or MAX6163 at sysmocom?
Got the parts, tx !

06/07/2018

04:37 PM Misc Hardware Projects Feature #3314: design simple SFP experimentation board with LVDS transceiver
Huh ... don't you have TX/RX swapped on the SFP there ?!?
RD pins are the SFP receiver pins i.e. they are outputs....

06/06/2018

06:41 AM Misc Hardware Projects Feature #3314: design simple SFP experimentation board with LVDS transceiver
Does it have to be a separate board ?
I would think some simple 0R links to switch between external LVDS lines or ...

06/05/2018

01:09 PM E1/T1 Hardware Interface Support #3317: Do we still have MAX5215 and/or MAX6163 at sysmocom?
That would be a bit much. I just want to compare if tuning with such a precision setup makes a lot of difference for ...
11:33 AM Misc Hardware Projects Feature #3313: design simple SFP experimentation board
Added eagle SFP cage and connector. Could use a double check of course :p

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