Re: K3 FSK power transients

Posted by Joe Subich, W4TV-4 on May 29, 2015; 6:52pm
URL: http://elecraft.85.s1.nabble.com/K3-FSK-power-transients-tp3712691p7603615.html


I don't know what a *monitor* output proves since it is *not* an RF
sample.  However, I have attached a Spectrum Lab Time Domain capture
as requested.  Notice the crest factor is well less than 1 dB.

73,

     ... Joe, W4TV


On 2015-05-29 7:45 AM, Ken_ke2n via Elecraft wrote:

> Joe -  I am using data mode with "DATA A" selected.  (This mode uses the SSB
> filter and turns off equalization and compression. But of course the ALC is
> "on").
>
>
>
> What would be really helpful is if you would download a copy of Spectrum Lab
> and run the monitor output of your K3 through it while transmitting FSK441.
> Then we would both have a common point of comparison (eliminating the
> vagaries of power meter PEP algorithms).
>
>
>
> http://www.qsl.net/dl4yhf/spectra1.html
>
>
>
> The time domain scope is under the "components" tab.  The default settings
> with the initial install will work fine, although you will have to select
> your input device (audio card) if it is not the system default. That is
> under the Options/Audio settings tab.
>
>
>
> Regards
>
> Ken
>

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