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XO compensation #2

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Manawyrm opened this issue Aug 20, 2017 · 1 comment
Open

XO compensation #2

Manawyrm opened this issue Aug 20, 2017 · 1 comment

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@Manawyrm
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It seems that the ad9361-phy,xo_correction attribute isn't used to correctly tune the RX LO, the frequency always seems to be out by a couple hundred Hz...

Might also be only a badly configured XO correction value on my PlutoSDR, but I don't have a stable reference clock source at hand ):
@rgetz
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rgetz commented Dec 19, 2018

The ad9361-phy,xo_correction context attribute is purely there for information purposes.

It corrects on the Pluto itself - there isn't anything needed by the host application. It's likely that it might be a temp thing - it does take a bit for the temperature to become stable. (and the oscillator drifts about 10ppm due to temp)..

-Robin

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@Manawyrm @rgetz