It looks like when you set low sample rates (say below 1KHz), the NCO code doesn't seem to work right, *never* putting out samples.
I haven't done exhaustive testing. This was prompted by Bill Pretty's issue with his flow-graph that uses a triangle or sawtooth generator, at low sample rates (2Hz) and low Fc (a fraction of a Hz) to drive the tuning variable going back into the USRP. I tested the graph he gave, and after making a few fixes, observed that the signal source appeared to be never producing any output. Hmmmm. So, I did up my own flow-graph, consisting of a signal source, a throttle, and a number sink and scope. It only started to work when I cranked the sample rate up to about 1KHz on the signal source. Any ideas? -- Marcus Leech 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