On 01/20/2011 11:40 AM, Ruben Undheim wrote: > Hello. > > I just wondered if anyone else has experienced that the WBX stops > sending the quadrature component of the complex signal after a while. > This happens especially if I have sliders for setting the frequencies > or the gain, and the sliders are slided. (so that a frequency change > control signal is sent several times successively) > In an FFT-sink, this is observed as a display mirrored around the base > frequency. > > I have not found any other solution to fix this than to restart the > whole program every time it happens. This has never happened when > using the TVRX board. The TVRX isn't actually a quadrature front-end, so quadrature is synthesized within the FPGA.
> > I wonder if this is normal for these daughterboards, and that one just > has to ensure that they do not get a lot of frequency setting control > messages successively, or if there is a workaround. > I don't think it's normal. Something definitely wonky. Are you using UHD, or "traditional" ?? There was something *similar* in UHD a couple of months back, but it was for USRP2, so I don't think that's it. -- Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
