Re: [Discuss-gnuradio] How to set a master clock rate on USRP B200

[Marcus D. Leech]

On 05/23/2014 12:23 PM, raf raf wrote:

Hello All Gnu Radio user, 

To use a 2 TX, I want to change a clock rate to an accepted one, under 30.72 MHz. I use the API with uhd_usrp_probe and it works only for this command. Can you give me the idea or python code to use this argument parameter with a python flowgraph?

 --args="master_clock_rate=28"

Thanks. 

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In GRC, where it has a "device args" parameter, that's wher this master_clock_rate=28e6  should go.  I assume you meant 28e6, rather than 28.
  Everything is in Hz, and there's no way the B200 can go down to a clock rate of 28Hz.

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