Hi Marcus, Just doubled checked - tx_gain is set to zero.
Thanks, Michael On Fri, Mar 10, 2017 at 2:22 PM, Marcus Müller <[email protected]> wrote: > Hi Michael, > > I think you're right, looks like spurs of the tuner / synthesizer, due to > the TX amp not getting shut down for tuning. Do these go away if you set > the tx_gain to zero just before and to its original value just after tuning? > > Best regards, > > Marcus > > On 03/09/2017 08:21 PM, Michael Skaggs wrote: > > Hi all, > > We are working with an E312 platform and are seeing large, broadband > frequency spikes when the system must retune over a wide set of frequencies. > > I have attached a photo of the issue. The blue you see near the top of the > spectrum is the noise we are talking about. We are currently tuning the > system between 345MHz, 400MHz, and 455MHz. We suspect this issue is > occurring due to the amplifier not turning off during the retune, however, > we did not find any topics already discussing this problem. > > Could this be an issue with our hardware, or is there a way to work around > this issue? > > > _______________________________________________ > Discuss-gnuradio mailing > [email protected]https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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