Re: [Discuss-gnuradio] OSParam Error

[Paul B. Huter]

As always, thank you, Marcus.

I am thinking about getting rid of the graph (and throttle, now), and making another setup to run the output file from the original (through a throttle?) to the graph to look at smaller pieces. I want to be able to look at (say) 5MHz-10MHz, so my plan is to set the FFT to be 5MHz centered on 7.5MHz. However, I am not sure if that is correct. But - first step is to get my data.

Thanks, again, Marcus.

Paul B. Huter

On Nov 17, 2013 5:41 PM, "Marcus D. Leech" <address@hidden> wrote:

I am running a USRP source through a throttle to an FFT sink and a file sink. Last time I ran it, I got an "OSParam error", followed by a bunch of "D"s and the FFT was lagging and jumping. Any ideas as to what this is? My sample rate is 50M.

Paul B. Huter

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You only ever need a "throttle" when you don't have hardware in the flow-graph pacing things.

AT 50Msps, whatever your flow-graph is doing will be working *really, really* hard.

-- 
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

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