[Elecraft] K3 13.8 VDC power

[Jim Brown]

On Tue,12/23/2014 4:54 AM, david Moes wrote:
> Interesting presentation and I certainly understand the principal of 
> supply voltage vs IMD. There are some transmitters that I would not 
> run at 12v    some are worse than others.   Im looking specifically at 
> K3 performance as this is what I have, and as Don points out it is one 
> of if not the cleanest out there and as pointed out droping my power 
> by 30% would have little effect at the receiving end but would 
> certainly reduce IMD and may get me an hour more operating time to 
> boot.      What transmitter you were using on page 43

I don't know -- that part of the program was prepared by K6XX. You can 
identify his measurement slides by their screen display, which were made 
using a Rigol Spectrum Analyzer. My measurements were those done using 
the P3, looking at signals on the air.

> Seems to be an ICOM 7600  for most samples  and what were the actual 
> high, nominal, and low voltages.   just a guess would be the rigs spec 
> High,  13.8, and spec minimum.
>
> Also  I wonder if I could get the authors permission to use this in a 
> presentation at a club meeting.

Sorry, no, because much of the content of the presentation depends on 
Bob's oral talk, and it was not recorded. You are, however, welcome to 
pass around the link.

73, Jim K9YC