Re: [Discuss-gnuradio] Common clock for two RFX2400 DB's

[Matt Ettus]

Andrey A wrote:
> > Andrey A wrote:
> >     
> > > Hello!
> > > We consider using USRP with two RFX2400 dautherboards to build MIMO system.
> > > As I can see, each RFX2400 has Tx and Rx VCOs. Is it possible to use
> > > common clock for these two dautherboards? (Frequency mismatch between
> > > VCOs may prevent MIMO).
> > >   
> > >       
>
>   
> > All the VCOs are locked to the same reference, so you can do MIMO.
> >     
>
> Thank you, Matt.
> One more question. What is the reference instability?
>   

Are you looking for the frequency accuracy?  phase noise?  I'm not sure 
what you mean.

Matt