[USRP-users] calibration on Wifi bands for X310/UBX

Derek Kozel derek.kozel at ettus.com
Mon Jul 3 12:29:57 EDT 2017


Hello Sanjoy,

What calibration are you referring to? Frequency, amplitude, phase? How are
you doing your calibration and how are you checking it? The more you can
tell us about your method and the results you are seeing the better we can
answer.

Regards,
Derek

On Mon, Jul 3, 2017 at 4:46 PM, Sanjoy Basak via USRP-users <
usrp-users at lists.ettus.com> wrote:

>
> Hello Experts,
> I am trying to calibrate X310/UBX on the whole wifi bands (the complete
> 2.4 GHz band).
> 2.412,2.417,2.422,....,2.484 GHz
>
> I am doing direction finding tests and need to calibrate 4 channels of 2
> X310s on the specified frequencies. Both X310s are connected with
> Octoclock. However, I could only have calibration on 2.4 GHz, 2.45 GHz, 2.5
> GHz. For other bands, calibration does not remain after retuning. Is there
> any specific reason why the calibration only works for every 50 Mhz channel
> after retuning. I tested with different sampling rates, but the result is
> the same. Calibration does not remain after retuning.
>
> I am using UHD_003.009.002 (installed from synaptic) and ubuntu 16.04. Is
> there any specific way how I can make it work?
>
> Best regards
> Sanjoy Basak
>
>
>
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