External clock Pluto REV D

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F1SSF
Posts: 87
Joined: Sat Nov 25, 2017 5:14 pm

External clock Pluto REV D

Post by F1SSF » Tue Feb 15, 2022 9:35 pm

Good evening,
I have new Pluto with Rev D PCB, and I connect an external 40Mhz from GPS.
From putty I have set fw_setenv refclk_source external , and verify with. fw_printenv refclk_source, it's OK, no problems.
But It seems that if I unplug GPS, pluto automatically switches to its internal tcxo, can anyone confirm?
Thank you, all the best 73 Franck F1SSF

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