Like Josh said, one or two "U"s isn't a big deal, but is it underflowing constantly? That would be strange.
Are you looking at the output on an oscilloscope? On 12/13/11, osama mohamed <osama_valencia...@hotmail.com> wrote: > > hi nick, > thanks for your reply > i tried the same command line arguments you gave me but the problem that > there is always an under run error even if i change the args i tried > several combinations but none of them worked > any suggestions about that underrun problem > > thanks, > > osama > >> Date: Tue, 13 Dec 2011 08:50:36 -0800 >> Subject: Re: [Discuss-gnuradio] UHD problem >> From: n...@ettus.com >> To: osama_valencia...@hotmail.com >> >> Are you using tx_waveforms? How are you measuring the received signal? Try >> this: >> >> ./tx_waveforms --ampl=0.5 --rate=4e6 --gain=20 --wave-type=SINE >> --wave-freq=10e3 --freq=1.1e6 >> >> This should produce a tone at 1.11MHz on the TX_A output of the BasicTX. >> >> If you don't see the desired tone, please cut and paste the entire >> output of the command. >> >> --n >> >> 2011/12/13 osama mohamed <osama_valencia...@hotmail.com>: >> > hi all, >> > >> > i am using usrp1 and a basic tx when i run any uhd example that >> > transmits >> > data i see the meta data going out from the fx2 to the fpga but it >> > never >> > goes to the codec so no signal is generated >> > >> > any help is appreciated >> > >> > osama >> > >> > _______________________________________________ >> > Discuss-gnuradio mailing list >> > Discuss-gnuradio@gnu.org >> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio