[USRP-users] Clock selection between external and GPSDO clocks

Marcus Müller marcus.mueller at ettus.com
Fri Apr 17 06:20:14 EDT 2015

Hi Hanwen,

have you tried multi_usrp::set_clock_source("gpsdo") and
set_clock_source("external") [1]?
Generally, the N210 should have four possible values:
* internal (on-board oscillator)
* external (SMA connector)
* gpsdo (GPSDO) and
* mimo

You can query these using get_clock_sources[2].


On 04/17/2015 07:30 AM, hanwen via USRP-users wrote:
> Hi,
> I have some N210 with GPSDO inside. In UHD API, how I can select
> between external 10MH/1PPS from OctoClockG and the internal clock
> signals from GPSDO? I didn‘t find any API that I could explicitly
> switch between the external and the GPSDO clocks.
> Cheers,
> Hanwen
> _______________________________________________
> USRP-users mailing list
> USRP-users at lists.ettus.com
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com

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