[USRP-users] How to sync to external ref. AND use the MIMO cable

mleech at ripnet.com mleech at ripnet.com
Wed Oct 1 12:22:55 EDT 2014


 

Do your spurious signals go away when you don't use the external
reference on the master? 

What type of external reference are you using? 

On 2014-10-01 04:44, Thomas Hobiger via USRP-users wrote: 

> Hi list,
> 
> I am using two N210s (each with a DBSRX2) which are connected via a MIMO cable.
> The master N210 is fed also with an external 10MHz.
> I am using the c++ code below, but I see so many spurious signals
> around my center freq. (1.6 GHz) which makes me think that the receiver does not lock
> to the external reference.
> 
> usrp->set_clock_source("external", 0);
> usrp->set_clock_source("mimo", 1);
> usrp->set_time_source("mimo", 1);
> 
> Am I missing something in my code or is there any other command which I need to issue
> in order to make my application work with an external ref AND the MIMO configuration?
> 
> Regards,
> Thomas
> 
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> USRP-users at lists.ettus.com
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