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Re: [Discuss-gnuradio] Possible residual carrier not reported correctly


From: isaacgerg
Subject: Re: [Discuss-gnuradio] Possible residual carrier not reported correctly
Date: Mon, 28 Jul 2008 14:09:35 -0700 (PDT)

Eric,
  When you talk about the FPGA, do you mean that I can repull and reinstall
the FPGA code for the USRP?  This I have never done since the radio has been
purchased 2 years ago.

Isaac



Eric Blossom wrote:
> 
> On Mon, Jul 28, 2008 at 12:27:22PM -0700, isaacgerg wrote:
>> 
>> Eric,
>>   I pulled GNU Radio from the SVN repository no more than 3 months ago. 
>> What do you mean the FPGA had a flipping problem? Wouldnt this affect my
>> USRP hardware or does the GNU Radio code correct for it?
>> 
>> Isaac
> 
> I was thinking of ticket:179 
> http://gnuradio.org/trac/ticket/179
> It was fixed in r6764 on the trunk on 10/31/2007.
> 
>> Eric Blossom wrote:
>> > 
>> > On Mon, Jul 28, 2008 at 11:34:01AM -0700, isaacgerg wrote:
>> >> 
>> >> Eric,
>> >>   I have answered you questions inline:
>> >> 
>> >> >>Are you seeing any over or underruns ("uOuO" or "uUuU") on the
>> console?
>> >>   Occasionally, I see "u0" on the rx. But, even if i post process data
>> >> offline, i still get the "flip"
> 
> If you're getting "uO" your machine is not keeping up.  This would
> cause a discontinuity in the received data, post-processed or not.
> 
> Eric
> 
> 
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> 
> 

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