Re: [Discuss-gnuradio] Possiblity of Modulation without the usrp? PSK modulator?

[Eric Blossom]

On Tue, Mar 10, 2009 at 09:31:57AM -0400, w w wrote:
> Greetings,
> I'm wondering if you all could tell me if it is possible to set up and
> modulate a signal without the usrp?   If so how do you insert the carrier?
> For a BPSK siganl do you just multiply carrier by the modulated signal?   I
> also notice that gnuradio did at one time have a PSK modulator but it is no
> longer available.....what took it's place?   Without a PSK modulator, how do
> you  modulate signals like BPSK, QPSK, 8PSK.?

Please take a look at *psk.py in
gnuradio-core/src/python/gnuradio/blks2impl

Each file contains both the modulator and demodulator.

Eric