Re: Measuring SSB RMS Power

Posted by John Oppenheimer on Jun 21, 2019; 11:35am
URL: http://elecraft.85.s1.nabble.com/Measuring-SSB-RMS-Power-tp7653233p7653257.html

Searching email archives, found this comment from Lyle in KX3 list:

On 2/8/14 4:04 PM, Lyle Johnson wrote:
> The KX3 SSB compression algorithm is a bit different than the K3 for a
> number of reasons.  Reducing the bandwidth, removing the very low
> audio frequencies, etc., are all part of the algorithm design.

Therefore, simple power gain may not be the full story. Per above, power
is concentrated within a narrower BW as compression is increased.

Though I wonder if TXEQ with significant low frequency attenuation
changes compression power gain.

For testing, KX3 TX EQ is set to "KX3 Optimal" in:
https://www.kn5l.net/KX3-TxEq/

John KN5L

On 6/20/19 8:38 AM, John Oppenheimer wrote:
> Using DL1 with Oscilloscope to measure KX3 SSB RMS power:
>
> https://www.kn5l.net/ssbpower/
>
> Question, is this technique correct?
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