RE: [Discuss-gnuradio] External Clock with USRP2

[Kelley, Clifford W]

Tom,

Thanks very much.  That worked.  Somehow we missed that in our searches.

Cliff 

-----Original Message-----
From: Tom Rondeau [mailto:address@hidden 
Sent: Tuesday, November 03, 2009 6:58 PM
To: Kelley, Clifford W
Cc: address@hidden
Subject: Re: [Discuss-gnuradio] External Clock with USRP2

Kelley, Clifford W wrote:
> We've been testing the clock of our USRP2 and find that it stabilizes at 
> about 8 parts per million low in frequency.  Using a precise 10 MHz external 
> clock does not seem to have any effect.  Any ideas on how we can bring it in 
> a bit closer?
>
> Thanks,
>
> Cliff

Did you call "config_mimo(usrp2.MC_WE_LOCK_TO_SMA)" on the usrp2 object you 
created? That tells the board to get its clock from the external SMA connector.

Tom