[Discuss-gnuradio] Help :Usrp2_fft.py fails to gives the correct output

[Anupama Purohit]

Hi Eric ,
We here have just got introduced with gnuradio and are seeking support on few problems with usrp2 .
 
                                      
>> We are unable to get the correct output of usrp2_fft.py after installation and upgrading to 11370s (fpga and s/w) . No carrier freq seen only noise at ~ -100 dB for different values of decimation , gain and few fft sizes.

 

We tried the following command under two paths -

 

/usr/local/bin 

 

with root permissions 

 

./usrp2_fft.py -f 20M -d 8  -g 1 --fft-size 1024 

 

we tried decimations 4,16,32,50; gain 0,1,10,20 and fft-size  512,1024,8192

 

 

/home/gnu1/gnuradio/gr-utils/src/python

 

./usrp2_fft.py -f 20M -d 8  -g 1 --fft-size 1024 

 

we tried decimations 4,16,32,50; gain 0,1,10,20 and fft-size  512,1024,8192

 
We have also applied all suggestions on forums to see if it works , unfortunately without any success
 

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Thanks & Regards,
Anupama Purohit
972 697 8183 (M)