[Elecraft] K3 power output on SSB

ab2tc ab2tc at arrl.net
Tue Mar 30 09:16:34 EDT 2010


I will do the gain calibration again when I get home. I have done this
several times in the past without improvement, but not terribly recently.
Maybe there is a relatively recent firmware improvement in this area? Would
it be possible to change the firmware to not reset the ALC when doing a band
change without transmitting on the other band? I have a habit of using the
A/B button to take a quick peek on 10m, then coming back if there is nothing
there.

AB2TC - Knut


Joe Subich, W4TV-4 wrote:
> 
> 
>> No, please, this is not a power calibration issue!
> 
> Bull ... I have seen it and can recreate it at will. 
> 
> If the wattmeter is not properly calibrated and the 
> transmit gains are off, the bower setting routines 
> do not act correctly.  With the transmitter properly 
> calibrated I see less than .5dB "undershoot" (more 
> than 95 W when commanded for 100W) when changing bands. 
> 
> <snip>
> 
> 

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