On 05/30/2013 09:56 PM, Karan Talasila wrote:
ok..So N can be any integer. I am using USB 3.0 and it's allowing me
sample rates almost close to 60MSPS without an error. I have an 8 core
processor. But the surprise is even if i enter values greater than 64
MSPS it doesn't throw an error. Is that a bug as it doesn't show me
any warning whatsoever saying you have gone beyond the device's
maximum sampling rate.
You simply can't pack more than 8Msps onto the USB-2.0 interface on the
USRP1. It doesn't speak USB-3.0, so your USB-3.0 hub will simply
downshift. You can go to 16Msps with 8-bit samples, and that's as
far as the USRP1 will go. It probably should throw an error for any sample
rate that it can't actually deliver, although UHD *does* try to find
the "closest rate", and it will comment on what rate it actually chose given
the input rate request.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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