Puzzle of multi_fft.py

GNU Radio
1

Hi,
I modified multi_fft.py to work with Rfx400 and Rfx2400. It seem to
work.
But when I tried to generate signal from another USRP, I got confused.
First
I set a 400MHz signal generated, the multi_fft work well and show the
power
is up to 40dB(Input 0 record fft@400M). Second I set a 2400MHz signal
generated, the power show up does not change at all(Input 1 record
fft@2400M). Then I try to run usrp_fft.py to test it, it does show the
signal is generating.
What’s wrong with my code? Or the usrp just is not able to work fine
with
two rfx daughterboard？

Can anybody help?

here is the image of the multifft result and my code.
http://www.nabble.com/file/p22434470/multifft.jpg multifft.jpg
http://www.nabble.com/file/p22434470/multifft.py multifft.py

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2

On Tue, Mar 10, 2009 at 06:45:56AM -0700, Ling H. wrote:

Or the usrp just is not able to work fine with two rfx daughterboard？

The USRP works fine with two RFX daughterboards.

Eric