The LO feed through on the UBX is wicked high...
Offset tuning helps alot... > On December 4, 2017 at 4:43 PM Mark Koenig via USRP-users > <usrp-users@lists.ettus.com> wrote: > > > I have been collecting signals in a lab environment using an N210 with a > CBX card without any perceived issues. When running the uhd_fft script I am > seeing an SNR of 20-30 dB, which is enough for me to do the post processing > of the collected signals. > > > > When I upgraded to the X310 with UBX40 cards I noticed a much higher > noise floor and a decrease in SNR ~10dB. This decrease in SNR makes it > unable for me to post process the signals. > > > > I am operating in Rx mode only. > > > > Does anyone have any thoughts as to what might be going on? > > > > Thank you > > > > Mark > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
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