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Re: [Discuss-gnuradio] Difference in gain using gnuradio 3.1.3 and the
Re: [Discuss-gnuradio] Difference in gain using gnuradio 3.1.3 and the trunk (at least on RFX1800)
Thu, 2 Apr 2009 11:28:04 -0700
On Wed, Apr 1, 2009 at 11:45 PM, Per Zetterberg
> I have connected a signal generator to my USRP and I am using a CW. Thus I
> have a constant input power. I am running the usrp_rx_cfile.py utility
> (exact command line below). If I run gnuradio 3.1.3 then the amplitude I see
> is 16dB higher than if compile from the trunk (checked out a week ago or
> so). I think it has to do with the new daughterboard code being different
> from the old python one. I am using an RFX1800 daughterboard.
In other words, the magnitude of the samples in the captured .dat
files are different by a factor of 16dB? Do they otherwise look the
> The signals are also conjugated with respect to each other
Conjugated, as in a+bi => a-bi , or as in a+bi => b+ai?