Is 1PPS used if I have GPSDO installed or does the B200 assume that
10MHz is already good enough?
On 06/06/2014 02:51 PM, Robert L. wrote:
Is 1PPS used if I have GPSDO installed or does the B200 assume that 10MHz is
already good enough?
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In all the USRPs that have 10MHz and 1PPS, the 1PPS is used only for TOD
synchronization, for operations like: set_time_next_pps().
There is no internal PLL that is phase-locking to 1PPS–the
assumption is that the 1PPS is locked to 10MHz already, and it’s just
used
as a trigger for TOD (time-of-day) setting operations.
–
Marcus L.
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org