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Re: [Discuss-gnuradio] Run time FIFO error


From: Sean Nowlan
Subject: Re: [Discuss-gnuradio] Run time FIFO error
Date: Wed, 12 Jun 2013 20:29:36 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5

On 06/12/2013 08:09 PM, Marcus D. Leech wrote:
On 06/12/2013 08:00 PM, Jay Prakash wrote:
Sry,
It's switch but not a dedicated one.
Sample rate 1M.
But error came even at 32k.

Jay Prakash

Well, 32K isn't a valid sample rate, Jay.

Sample rates have to be a proper integer fraction of the master clock rate on the USRP device. For the N210, the minimum reasonable sample rate
  is 250ksps.

The minimum "reasonable" sample rate I've used is 2e5 (100e6/2e5 = 500). I think 100e6/512 = 195312.5 is the smallest supported rate.


Some switches are very poor at maintaining bulk traffic without dropping packets.








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