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 On Fri, Mar 9, 2018 at 4:31 PM Marcus D. Leech via USRP-users < 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> > 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! >> > >> > >> > >> > _______________________________________________ >> > USRP-users mailing list >> > USRP-users@lists.ettus.com >> > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> > > > _______________________________________________ > USRP-users mailing > listUSRP-users@lists.ettus.comhttp://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
_______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
