On Wed, Jul 14, 2010 at 7:20 AM, EsserIHF <[email protected]> wrote: > > Hi everyone, > I am trying to do a PSK-Modulation. For that i use the dpsk-block and choose > dbpsk which should be the same as psk-modulation. I connect the USRP with a > oscilloscope, but i didn't get the expected output. > I tried to set the input vector to 127,127...127 and 0,1,0,1.....0,1 but i > either didn't get a good output. > Where is my mistake? Please help, thank you. > > http://old.nabble.com/file/p29160823/psk.grc psk.grc > > the output for the vector 0,1....0,1 is this: > > http://old.nabble.com/file/p29160823/tek0062.jpg tek0062.jpg
Have you tried running benchmark_tx.py in gnuradio-examples/python/digital? You can use that as a reference for how to use the modulator. Tom _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
