[Elecraft] K3 bad TX

Julian, G4ILO julian.g4ilo at gmail.com
Sun Oct 4 13:38:51 EDT 2009




AD6XY wrote:
> 
> 
> I did some 2-tone tests to see if it could be that, they are in the
> following 4 pictures but again, there is nothing wrong and indeed the
> results are rather good for a 12V PA. It is interesting the K3 is cleaner
> close in at 50W than at 10W. That is because of the bypassing of the PA
> below 12W. I thought this had been corrected to 10W when the big PA was
> limited to 100W but not so.
> 
> 
Yes, I've noticed that when looking at PSK31 IMD measurements. I'd really
like the option not to disable the PA when going below 12W. Currently,
running 10W PSK31 using my 100W transceiver really isn't an option, though
fortunately it isn't something I often want to do.

-----
Julian, G4ILO. K2 #392  K3 #222.
* G4ILO's Shack - http://www.g4ilo.com
* KComm - http://www.g4ilo.com/kcomm.html
* KTune - http://www.g4ilo.com/ktune.html

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