On 28/11/2022 20:29, Krishna Makhija via USRP-users wrote:
Hello,
I intend to calibrate the gain of my B210 across different
temperatures so I can make adjustments to my data in post-processing.
Has anyone ever attempted something like this? I have some questions:
1.
Where is the temperature sensor physically located on the B210? Is
it representative of the RF front-end?
2.
Is there a GNURadio way of getting temperature sensor data and
saving it to a separate file as metadata? I have this working
somewhat but it is a very roundabout Rube Goldberg implementation.
Is there some GNURadio Companion block that will let me output
this data and save to a separate file?
Thanks!
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I'm not certain that the AD9361 temperature-sensor is "mapped" by the
UHD API, and Gnu Radio doesn't in general have
generic mechanisms for dealing with these "auxiliary data sources".
You can use:
uhd_usrp_probe --tree
To see if the temp sensor is mapped into the UHD "property tree", and
then use the property-tree functions within UHD
(but not mapped into Gnu Radio or gr-uhd really) to get values from
the property tree.
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