That's what *you* need to determine, through calibration! Apply a say, -50 dBm power signal to the USRP's input. Note down the digital power. Choose the reference level as the difference between -50 dBm and what you observed.

Best regards,

Marcus

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On 30.05.22 14:48, Chang, Kaixin wrote:

Dear all,


I have read the article https://files.ettus.com/manual/page_power.html <https://files.ettus.com/manual/page_power.html> of power level control. I wonder what is the default value of RX reference level? I didn't find some information about that. Does anyone have idea?


sincerely


Qasim


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