Re: [Discuss-gnuradio] psk modulation

[Tom Rondeau]

On Wed, Jul 14, 2010 at 7:20 AM, EsserIHF <address@hidden> 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