Re: [Discuss-gnuradio] Usrp x310 LTE support, with/without external clock

[Martin Braun]

On 10/10/2014 06:34 PM, Tom Tsou wrote:
> On Fri, Oct 10, 2014 at 7:19 AM, Paul Creaser <address@hidden> wrote:
>> I'm new to gnuradio and sdr. I'm looking to use a x310 usrp in an lte 
>> project.
>> I have read it can support a 184.32MHz clock frequency
>>  which is great for LTE and a sample
>> rate of 30.72MHz.
>>  I have looked at the uhd source code.
>> I get the impression that the lte frequencies can only be supported
>>  if you use an external clock,
>> I guess this means, external reference clock or Gspdo..
> 
> 184.32 MHz is supported without external referencing. A wide range of
> X310 users are running at that rate both with and without using
> supplemental reference sources.

You can init your device with master_clock_rate=184.32e6 to get your
desired rate.

M