[Elecraft] K2 latching relays and filter alignment

Albin Stigö albin.stigo at gmail.com
Mon Aug 24 11:35:39 EDT 2020


Hi,

I'm in the process of repairing a K2 I've inherited from Clemed SM6DRH
who sadly passed away earlier this year at age 90.

It didn't receive/transmit on 40m and I've identified the problem to
be a defect ("stuck in the middle") relay K12 (bandpass select relay).
The relay in question is an Omron G6HU-2 5VDC. These are kind of hard
to find these days so I was wondering if anyone knows where I can find
them (preferably in the EU) or a suitable replacement?

While I'm at it I was thinking about re-aligning all the filters using
a spectrum analyzer with a tracking generator. I'm wondering if anyone
has developed a procedure for this, ie where it's good to inject the
TG signal and where it's good to measure.


Sincerely,
Albin SM6WJM


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