[Elecraft] K3: Still unable to set power correctly in DATA A (sigh)

Julian, G4ILO julian.g4ilo at gmail.com
Sat Jan 3 17:49:23 EST 2009




Leigh L. Klotz Jr WA5ZNU wrote:
> 
> There's a thread on a related topic (PSK TX IMD) on the Elecraft K3 list 
> at Yahoo Groups.
> Rich VE3KI posted some measurements done with the PSKMeter that show 
> poor IMD above about 50W.
> I've suggested he re-run the tests with a 3dB pad to compare 
> apples-to-apples and reduce the effect of non-linear response in the 
> PSKMeter, but Rich has suggested that perhaps the peak power is 
> exceeding 100W when the TX PWR setting is above 50W.  Your observations 
> would seem to confirm that.
> 
> 
I don't do Yahoo so I haven't seen that thread, but I observed exactly the
same phenomenon using my KK7UQ IMD meter. However it is blatantly obvious
that the K3 is putting out too much power when this occurs, because its own
power meter shows this.

-----
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