If you're concerned about frequency stability, then you might want to consider using a GPSDO with your B210.
--Neel Pandeya On 21 May 2018 at 04:24, Inkyu Bang <inkyu...@gmail.com> wrote: > Dear Neel Pandeya > > I have test in the following setup > > Center frequency: 5.89GHz (I am using the antenna supporting this center > frequency) > Sampling rate: 5MHz > Frequency of sine wave: 1kHz > > From others’ comments, I realized that cancellation will not be successful > if I do not calibrate LO offsets, which will result in frequency/phase > offsets. > > Thank you. > > - Inkyu > > > 2018. 5. 21. 오전 9:47, Neel Pandeya <neel.pand...@ettus.com> 작성: > > Hello Inkyu Bang: > > Just repeating what Marcus asked. What sample rate are you using? Is this > USB 2.0 or 3.0? Could you post your flowgraph? > > --Neel Pandeya > > > > > On 24 April 2018 at 06:08, Marcus D. Leech <mle...@ripnet.com> wrote: > >> On 04/24/2018 06:09 AM, Inkyu Bang wrote: >> >> Hi, >> >> I am trying to use two USRP (B210) in one laptop. >> I plan to send signals using two USRPs from the same source. >> >> When I tried to separately run ".grc" file in each terminal, it works >> correctly. >> However, when I tried to add one more "UHD: USRP sink" block in GRC. >> >> It shows an exception message "S" and only one USRP works. >> >> Could anyone help me to solve this problem? >> >> (1) What is the meaning of "S"? >> O: overflow, U: underflow, but I don't know what this is. >> >> (2) Is there any way to use multiple "UHD: USRP sink" blocks in one >> machine? >> >> Thank you, >> Regards, >> >> Inkyu Bang >> >> What sample-rate are you using? Is this over USB2.0 or USB3.0? >> >> Could you share your .grc file? >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > >
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