Re: [Discuss-gnuradio] SSB Modulator

[Eric Blossom]

On Sat, Apr 07, 2007 at 06:38:09PM -0700, Matt Ettus wrote:
> Eric Blossom wrote:
> >On Sun, Apr 08, 2007 at 09:59:21AM +0930, Berndt Josef Wulf wrote:
> >  
> >>G'day,
> >>
> >>I've found various implementations of SSB demodulators but no modulators? 
> >>Has anyone written or seen an implementation of a SSB modulator?
> >>
> >>cheerio Berndt
> >>    
> >
> >Here you go:
> >
> >  real_sig = <whatever>                # at 250k samples/sec
> >  f2c = gr.float_to_complex()
> >  u = usrp.sink_c(0, interp_rate=512)
> >  fg.connect(real_sig, f2c, u)
> >
> >Eric
> 
> Actually, that will get you a double sideband signal.  You need to use a 
> hilbert transform to create the imaginary part.  Hilbert transforms are 
> in firdes code already.

Thanks!

Eric