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Re: [Discuss-gnuradio] Failed to set frequency in usrp_fft.py


From: Panteley Prokofiev
Subject: Re: [Discuss-gnuradio] Failed to set frequency in usrp_fft.py
Date: Wed, 28 Jul 2010 14:20:56 -0400


For anyone who had this problem, the solution I found was specifying which daughterboard to use, with the "-R" option, and connecting the antenna to the RX, rather than the TX/RX antenna input. Hopes this helps someone.
2010/7/28 Panteley Prokofiev <address@hidden>
Hi,
 
Yes, I tried both ways, passing the frequency range as a parameter and inputting it in the GUI.

2010/7/27 Michael Chien-Chun Hung <address@hidden>
Hi,

Did you set it by passing the parameters with the command
./usrp_fft.py, or set it after you see the window and the signal
waveform?  I usually do like:
    ./usrp_fft.py -f 2.45G
when I execute the program and it simply works on my RFX2400 boards.

Also, check http://www.ettus.com/faq to make sure you use the right
frequency range.

-Michael
On Tue, Jul 27, 2010 at 14:07, Panteley Prokofiev
<address@hidden> wrote:
> Hi,
>
> I've tried setting the frequency in different formats, i.e. 800M, 800000000,
> etc., but to no avail.
> Any other suggestions?
>
> --Panteley
>
> 2010/7/27 Michael Chien-Chun Hung <address@hidden>
>>
>> Hi,
>>
>> It seems like the setting format is not accepted by the benchmark
>> program. One possible reason is that the frequency you specify is out
>> of acceptable range. Or, you need to set like "800M" or "1.0G" to
>> specify the frequency you want by using -f option. Hope this helps
>> you.
>>
>> -Michael
>> On Tue, Jul 27, 2010 at 23:42, Panteley Prokofiev
>> <address@hidden> wrote:
>> > Hello,
>> >
>> > I have the USRP-1, RFX900, with the newest gnuradio-3.3.0 setup on a
>> > Ubuntu
>> > 10 64bit system. The problem is that when I try to run the usrp_fft.py
>> > example, it failes to set the center frequecy. I have tried frequencies
>> > in
>> > the range from 800MHz to 1GHz, with the same result: "Failed to set the
>> > frequency".
>> > Any help would be appreciated.
>> >
>> > Thanks,
>> > --Panteley
>> > _______________________________________________
>> > Discuss-gnuradio mailing list
>> > address@hidden
>> > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>> >
>> >
>
>



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