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
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