Re: [Discuss-gnuradio] Synchronizing phases between two N200

[Josh Blum]

On 10/03/2012 02:02 AM, Shih Oliver wrote:
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> 
> 
> 
> Hi lists, I'm using a E100 to send a sine wave to two N200  by going
> through a splitter and  I'm trying to synchronize the phases between
> the signals recieved by the two N200.Both of the N200 have internal
> GPSDO with the gps locked and the same gps time. However, they are
> still not in phase.  I've also tried set_time_next_pps(gpstime+1)
> right after gps locked but it's not working either. Thanks for any
> help in advanced. Oliver 
> 

Have you seen
http://files.ettus.com/uhd_docs/manual/html/sync.html#synchronizing-channel-phase

If you use the timed tune on SBX, you can expect consistent phase offset
between channels. Otherwise, the offsets are random, but fixed after
each tune.

-josh

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