FCDEV3B bring-up status

Serg l serg at tvman.us
Wed Apr 5 16:04:27 UTC 2017

I do have a bench PSU with variable output. I would also try to use battery
option, it may produce slightly different pattern of current when radio is
turned on because it has different internal resistance than a PSU.
Working platform is a pre-requisite for any future work we have planned, so
investigating of L1 issue would be the first priority here.

On Wed, Apr 5, 2017 at 11:36 AM, Mychaela Falconia <
mychaela.falconia at gmail.com> wrote:

> Serg wrote:
> > I'm anxious to bring it into our RF lab.
> > I expect to have some time available to look into L1 in upcoming weeks.
> I should be able to send you a board with Monday's mail, after I get
> all 8 boards to my home lab this coming weekend and make sure that all
> 8 work to the same extent.  I'll be able to include a generic
> off-the-shelf FT2232D breakout board as well (the same kind that I
> use), but you will need to make your own jumper wires with crimp-on
> female sockets on both ends to go from the male header pins on the
> FCDEV3B to similar male header pins on the FT2232D board.
> For power, do you have a bench power supply that can put out 3.6 VDC?
> If so, I can send you a cable that has the right Weidmuller connector
> for the FCDEV3B on one end and a pair on banana plugs on the other end.
> The same goes for everyone else on the list: if you are both able and
> willing to help hands-on with the debugging of the issues we are having
> and with bringing up the RF tract on the FCDEV3B, you can also get one
> of the boards.
> If anyone here would like to receive a board, please indicate what
> specifically you are going to do if and when you receive one: given
> the limited supply of boards, I would like the first ones to go to
> people who would actually help with the debugging and bring-up in some
> real tangible way, rather than just stare at the board and put it away
> to gather dust.
> > I was also curious if we load OsmocomBB into it and see what will it
> say...
> I'm adding it to my list of steps to try this Saturday when I come
> home with the boards.
> M~
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