[USRP-users] GPSDO desynchronisation during Initialising

mleech at ripnet.com mleech at ripnet.com
Thu Oct 15 12:54:25 EDT 2015


What daughtercards are you using? 

Do you have the 3amp or 4amp power supply? 

Could you try updating to a new UHD? 

On 2015-10-15 12:41, Marius via USRP-users wrote: 

> Hi, 
> I have a issue with my X310 USRP (bought from National Instruments the model NI 2950). The GPSDO (LCXO BOM: 3.1, FW: 0.929a-1PPS, PN: 100) loses the synchronisation almost every time when the flow graph is started, just after the console outputs "Found an internal GPSDO. Initializing time to the internal GPSDO".
> It takes a variable time for the board_sensor to get locked again, somewhere between 10 seconds and 15 minutes. 
> Did someone had the same issue or knows if it is a software/firmware/hardware problem of any idea how to fix it?
> I use UHD 3.8.4.
> Thank you.
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> USRP-users at lists.ettus.com
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