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Re: [Discuss-gnuradio] Is it possible to make sub-micro seconds level ti


From: Josh Blum
Subject: Re: [Discuss-gnuradio] Is it possible to make sub-micro seconds level timing control?
Date: Sun, 30 Jan 2011 14:21:58 -0800
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101208 Lightning/1.0b2 Thunderbird/3.1.7


> In UHD, is it possible to give a nano second level timing control in
> timed_tx samples
> sample?

It is possible to specify times to the precision of the FPGA clock. See
http://www.ettus.com/uhd_docs/doxygen/html/classuhd_1_1time__spec__t.html


> I think that is possible due to the restriction from OS,


Timed transmission is supported by the FPGA for all USRP models with the
exception of USRP1 classic:
http://www.ettus.com/uhd_docs/manual/html/usrp1.html#missing-and-emulated-features


-josh



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