Just a quick note to say that I have built the KPA100 and installed and
aligned it, and it is working fine on all bands. When I built my K2 at
the beginning of the year, it also worked fine, and still is. I have to
say that over all, I am happy with the radio, and it's performance.
I have one query though, I am wondering why Elecraft have opted to use
thermal pads on the PA transistors in the KPA100 as opposed to heat
paste? (A lot of linear amplifiers that I have seen over the years use
thermal paste on the PA transistors without apparent problems.) I just
suspect that the thermal resistance of a thermal transfer pad may be
higher than that of thermal paste......please advise me if I am way off
on this point.
Cheers and 73 to all......
James Cutler,
VK2TIM
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