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Re: [Discuss-gnuradio] Synchronization issue with multiple USRPs


From: Douglas Geiger
Subject: Re: [Discuss-gnuradio] Synchronization issue with multiple USRPs
Date: Wed, 25 May 2011 10:51:51 -0400

On Wed, May 25, 2011 at 10:14 AM, Josh Blum <address@hidden> wrote:
>
>
>
> 2) Calibrate the setup. After you tune, the daughterboard LOs will have
> different constant phase offsets. With boards like WBX, its actually
> possible to sync the LOs using hardware, but this isnt implemented yet.
> In any case, *no matter what*, you need to calibrate by passing in a
> common signal and measuring your channels.
>

What will it take to implement syncing the LOs on the daughterboards
that do support this - is this on the roadmap for UHD currently?

> If you open/close the device handle or re-tune, you will have to re-cal.
>
> -Josh
>

Thanks Josh!
 Doug

-- 
Doug Geiger
address@hidden



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