I'm in the process, but it's a lengthy process. There is something messed up with the C API in 3.15, so it doesn't work for me as a simple drop in replacement. Would it be wise to try to jump straight to 4.0?
On Tue, Nov 24, 2020 at 2:40 PM Marcus D Leech <patchvonbr...@gmail.com> wrote: > > R&D suggest updating to a UHD 3.15 environment first. > > Sent from my iPhone > > > On Nov 24, 2020, at 1:54 PM, Luke Whittlesey <luke.whittle...@gmail.com> > > wrote: > > > > I'm seeing this on two E310s that are a few years old. I just swapped > > the sd card into a brand-new E310 and I am NOT seeing the frequency > > jumps. So, same exact software, but different aged E310s. Is there > > possibly a difference in hardware leading to this? > > > >> On Tue, Nov 24, 2020 at 1:04 PM Luke Whittlesey > >> <luke.whittle...@gmail.com> wrote: > >> > >> I would say they are proportional to frequency. Attached is what it > >> looks like at 5GHz. There are jumps of 400Hz and 220Hz. > >> > >>> On Tue, Nov 24, 2020 at 11:50 AM Marcus D Leech <patchvonbr...@gmail.com> > >>> wrote: > >>> > >>> Try at lower and higher frequencies—are the jumps the same or > >>> proportional to frequency? > >>> > >>> Sent from my iPhone > >>> > >>>> On Nov 24, 2020, at 11:27 AM, Luke Whittlesey via USRP-users > >>>> <usrp-users@lists.ettus.com> wrote: > >>>> > >>>> On the E310 I'm seeing discrete jumps in the carrier. The carrier will > >>>> intermittently jump around in steps of about 50Hz. Sometimes it will > >>>> jump by about 200Hz. I've attached a waterfall display, but I don't > >>>> know if attachments will make it through. > >>>> > >>>> My setup is: > >>>> E310 SG3 > >>>> UHD3.11 using the C-api > >>>> Timing Reference is "internal" > >>>> Center Frequency 1GHz > >>>> I/Q signal is a stream of 1,0... for a CW at the carrier > >>>> > >>>> I can see the same thing when I set the timesource to "gpsdo", but I > >>>> wouldn't expect it when I set it to "internal". My gut says that this > >>>> is being caused by some timesource correction loop. If this is the > >>>> case is there a way to disable this? > >>>> > >>>> Thank you > >>>> <e310-lo-frequency-shifts2.png> > >>>> _______________________________________________ > >>>> 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