Re: [Discuss-gnuradio] BladeRF + osmosdr + gnuradio

[Brian Padalino]

On Wed, Mar 9, 2016 at 1:56 PM, M. Ranganathan <address@hidden> wrote:
> Hello,
>
> I am trying to get bladeRF to work as a receiver in order to decode LTE
> signals from within a gnuradio block. Here is my configuration :
>
>
>                 self.u =  osmosdr.source( args="numchan=" + str(1) + " " +
> "bladerf=0" )
>                 self.u.set_sample_rate(int(self.samp_rate))
>                 self.u.set_freq_corr(0, 0)
>                 self.u.set_dc_offset_mode(1, 0)
>                 self.u.set_iq_balance_mode(2, 0)
>                 self.u.set_gain_mode(True, 0)
>                 self.u.set_gain(3, 0)
>                 self.u.set_if_gain(15, 0)
>                 self.u.set_bb_gain(15, 0)
>
> It connects to the bladerf and reads values from it but there's something
> wrong with my gain settings I believe because the values I read don't make
> sense. Does somebody have experience with this configuration? Please share
> your settings.

Don't use the numchan argument.  That might be confusing things, but I
am not 100% sure.

Have you tried using the osmocom_fft GUI for getting an understanding
of the gain levels you need?

Brian