Re: [Discuss-gnuradio] USRP2-FLEX2400 Transmit and Receive problems

On 08/31/2010 01:48 PM, Joseph Wamicha wrote:
> Hi Leech,
>
> Thank you for your response. I'm using 2.4 GHz characterized antennas.
> No I'm not feeding the signal directly into the USRP2. I have a 2.4GHz
> resonant monopole antenna on the signal generator and another 2,
> 2.4GHz resonant antennas on both the RX and TX/RX SMA connectors of
> the FLEX2400.
>
>
How close are the antennae?

What parameters did you pass to usrp2_fft.py? If you look closely at
the spectrum, it looks
*perfectly* symmetrical about DC, which should never be the case if
all the "pieces" agree
that this is a complex signal.

What happens if you tune usrp2_fft.py a few Khz away from 2.4GHz exactly?

--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

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