I get exactly the same behaviour. I have finally traced the problem to
an old Flex2400 using an internal clock rather than the usrp2 clock.
I'll need to do some re-soldering and burn-db-eeprom with USRP1 and hopefully
this should fix the problem:
On 01/09/2010 03:20, Marcus D. Leech wrote:
08/31/2010 01:48 PM, Joseph Wamicha wrote:
How close are the antennae?
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
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