First of all, please stay on the list. Refer inline reply below.
On Fri, Jun 6, 2014 at 11:12 PM, jimsiaf91 [via GnuRadio] < ml-node+s4n4882...@n7.nabble.com> wrote: > Well, > I tried it with my usrp N210. The first time it showed something on the > Scope sink. After that it did not. > Your setup could be wrong. > Only when I run first the flowgraph_6.grc then the 5th ( the one with the > USRP source) showed something. I do not understand why this is happening. > I see no correlation on this. > Besides that, I tried to measure at 2Ghz with and external frequency > generator (sin) and also attached a number sink after the block you wrote. > The number sink did not show 2Ghz (in units), instead jittered at about > 1000 units. > If the Sample Rate (samp_rate) of the UHD (USRP) source is only 100kHz, it cannot measure 2GHz external frequency. Refer Nyquist sampling theory.
_______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
