OSMOCOM-fft

Babak Mafakheri b.mafakheri at fbk.eu
Tue Oct 16 15:45:27 UTC 2018


Dear all,
I am confused about some parameters of osmocom fft spectrum analyzer.

I am wonder what exactly the vertical axis shows? It is written Power(dB); if so, what is the reference power? Is it 1dBW?
Moreover, by changing the PGA Gain, I will have different values of power (dB). What is the relation between PGA gain and the received power in dBm?

In general, does anyone know how should I find the received power in dBm, having the PGA gain(dB) and the value on vertical axis. (Picture in attach)

Looking forward to your reply.
Bests,



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