On Tue, Oct 23, 2007 at 05:16:14PM -0700, Hans Glitsch wrote: > Hi, > > There's a problem with the std_4rx_0tx.rbf in the latest release. This > problem did not exist in 3.0. > > Please see the attached image. All four inputs should look exactly the > same, but there is something wrong with input 0. It could be that the > imaginary part of the input 0 signal is getting suppressed. I don't know. > > Here's what I did: I have a brand new usrp with two basic rx boards. I > connected a signal generator to a four way splitter and then connected the > four way splitter directly to the four usrp inputs. The signal generator > was set to 480khz at -17 dbm. Then I executed "multi_fft.py -d 100 -f > 500000 -g 0". The attached screen shot shows the problem with input 0. If > I move the signal generator to 520khz, the reflection moves to the other > side of zero freq. If I swap cables on input 0 and input 1, the problem > stays with input 0. > > Thanks for your help, > Hans
Is it reporting any overruns? I.e., uOuOuOuOuOuOuOuO... Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
