[Elecraft] KX3 - dBV question

Lyle Johnson kk7p4dsp at gmail.com
Thu Oct 23 23:05:27 EDT 2014


Hallo Ralf!

Yes.

The measurements are taken post-filter and post-AGC.

73,

Lyle KK7P
> Hi Lyle,
>
> So I actually measure a quantity that is proportional to the energy (signal + noise) that has been "collected" in the display update time, am I getting this right?
>
> Greetings
>
> Ralf, DL6OAP
>
>
>
> Am 20.10.2014 um 14:31 schrieb Lyle
>
>> The DSP uses audio samples at a 12 kHz rate and performs a true RMS calculation on the samples.  The result is computed over the display update time (1 second?) the buffer flushed and the process repeated..
>>
>> 73,
>>
>> Lyle KK7P
>>
>>> ... but am not sure, if I can
>>> compare the values directly, since I do not know how the data is being
>>> generated and processed. Maybe someone on the list or at Elecraft can help
>>> me out.



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