On 03/09/2018 11:25 PM, Sailor Jerry wrote:
Would be happy to restore it to original condition :-)
I'm using the uhd_rx_cfile to capture the data. How do I control U103
from this app? I don't see any command line arguments for that? Do I
need to rebuild it?
You'd have to add that, inserting a call to set_clock_source() at an
appropriate place.
The example apps (and this is one) don't necessarily expose all
available features.
On Fri, Mar 9, 2018 at 8:08 PM Marcus D. Leech via USRP-users
<usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com>> wrote:
On 03/09/2018 08:11 PM, Nick Foster wrote:
It's a slick mod though. See the zero-ohm resistor bridging U103
pins 1 and 3? Remove it, and you'll return the B210 to factory
standard.
Assuming no other modifications have also been made. =)
Nick
Your eyes are much better than mine....
On Fri, Mar 9, 2018 at 4:31 PM Marcus D. Leech via USRP-users
<usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com>>
wrote:
On 03/09/2018 07:22 PM, Sailor Jerry via USRP-users wrote:
HI Marcus, I see your point and also saw the schematic. The
previous owner told me that this particular board was
modified to have 10 MHz be brought out to the outside
connector. I did verify it with the scope and indeed saw the
10 MHz coming out. I don't know if it's one of the standard
factory options or just some custom modifications (the board
has Olifantasia label on it). Will take a closer look at
pins 3 and 1 of U103 as you suggest. If they are bridged
indeed then I guess simple removal of GPSDO would do the trick.
That is NOT a factory-standard option.
On Fri, Mar 9, 2018 at 4:10 PM Marcus Müller
<marcus.muel...@ettus.com <mailto:marcus.muel...@ettus.com>>
wrote:
Dear Sailor Jerry,
I'm not sure I'm following here: The 10 MHz connector is
hardware-wise
connected only to inputs, not to anything that can
output anything;
compare the schematic[1] on page 1. So, I'm pretty
certain your device
can't be condigured to have the 10 MHz connector be an
output for
anything.
Can you maybe describe the problem you're having?
Best regards,
Marcus
[1] https://files.ettus.com/schematics/b200/b210.pdf
On Fri, 2018-03-09 at 23:51 +0000, Sailor Jerry via
USRP-users wrote:
> I inherited the B210 board that has the 10 MHz
connector configured
> as an output. I wonder if anyone is aware of this
configuration and
> if it's possible to reconfigure it to accept the
external 10 MHz
> input.
>
> My current plan is simply remove GPSDO and hope for
the best.
>
> Attached are two pictures of my board. One is with
GPSDO inserted and
> another one with GPSDO removed.
>
> Thanks a lot!
>
>
>
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