On Oct 3, 2014, at 7:30 PM, Marcus D. Leech wrote:
If you put your flow-graph itself (.grc file) somewhere, or attach
it, we can take a better look.
What kind of comptuer? (OS, CPU/MEM specifics, etc).
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
Hi Marcus,
Thanks. The .grc file is attached. Other details:
o Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
o Memory 3GB
o OS 14.1 Ubuntu
Cheers,
Dan
Well, for one, your FFT block disagrees rather dramatically with your
UHD source block about the same rate, which you've selected as 10Msps. I'd
go for 6.25Msps, and make certain that your source block and FFT
block agree on sample rate. And if you're really wanting the 1.7MHz that
you've programmed in the source to 1.7MHz, you don't need more than
about 2Msps sampling rate. Very few daughtercards have variable
analog bandwidth, the TVRX2, DBSRX2, and perhaps XCVR are the only
ones with variable analog baseband/IF bandwidth.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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