Yep good Idea, I did not build the KPA 100, but was given it, I have
brought up to the latest spec, the wires are a bit short, RF, DC and ribbon
cable.
I have changed the RF cable for RG174, but not the other too, all good
when resting on a book!
I will pop a coupler on and see what a spectrum Analyser sees when it
takes off on tune.
I wished Elecraft used SMA's
KR
Andrew
Andrew,
If you only see the problem when the KPA100 is installed on the base K2,
look at the wiring for the VRFDET line from the KPA100 to the K2.
Broken wire or a pin not making proper contact with the K2 connector.
This is a ribbon cable, but check for bad wires anyway - check at both
ends of the cable.
73,Don W3FPR
On 7/27/2026 5:38 PM, Andrew Lenton wrote:
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