[Elecraft] K3 :: PSK31 output power variation
Don Wilhelm
w3fpr at embarqmail.com
Sun Aug 10 23:26:02 EDT 2008
Steve,
If you have the TX EQ set for a corresponding rolloff, then the answer
is yes. Currently there is only one TX EQ that applies to all modes.
Someday (soon) you can have separate TX EQ settings, but right now, TX
EQ is TX EQ no matter what.
73,
Don W3FPR
Steve Jackson wrote:
> My K3 setup is configured to put out about 30W on PSK31, with my sound card dedicated to APSK/AFSK modes and its output locked in place to make that power level at 1250 Hz. My TX IMD is excellent.
>
> However ... if I select a PSK31 spot where the resultant audio frequency is below, say, 800 Hz, my TX output power drops off precipitously as the audio frequency goes down.
>
> I am in DATA A mode. It's as if the audio to the transmitter in this mode is sent through my SSB TX EQ settings.
>
> That isn't how it works ... is it?
>
>
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