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

[Matt Ettus]

Anupama Purohit wrote:
> 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


What daughterboards are you using?

Matt