Re: [Discuss-gnuradio] How to syncronize 2 XCVR2450 daughterbords

[Jason Uher]

> Hey all,
>
>  I have a setup that transmits using one USRP+XCVR2450 set and receives
> using another USRP+XCVR2450 set.The two are separated just 1meter away
> in my experiment. I am looking at small doppler signals around the
> carrier. But there is a lot of phase noise in the data that i receive,
> which masks these doppler signals.
>
>  I want to make the two XCVR2450 daughterboards use the same oscillator
> in an attempt to decrease the phase noise.
> So, could you explain me how to syncronize these boards to use same
> oscillator and where can i get detailed information about the steps to
> make it.
> Also, is there some other way to decrease phase noise between
> daughterboards?
>
> thanks!
>
> Bruhtesfa
> --


The instructions for linking the clocks are here:
http://www.gnuradio.org/trac/wiki/USRPClockingNotes

Jason