[Elecraft] K3 - ATU BYPASS relay/circuitry?

Bob Cunnings bob.cunnings at gmail.com
Thu Jul 1 14:13:54 EDT 2010


There is no bypass relay as such:

http://www.mail-archive.com/[email protected]/msg84916.html

Bob NW8L

On Thu, Jul 1, 2010 at 12:04 PM, GW0ETF <gw0etf at btinternet.com> wrote:
>
> Maybe someone can answer this.....
>
> Still trying to understand the K3 atu and why I still get random high swr
> readings on some bands into a dummy load; when I switch in BYPASS I hear a
> relay switching but I've never located this relay *or* the associated BYPASS
> circuitry on the schematics, ie. I can't work out what BYPASS is actually
> doing at the circuit level.
>
> Anyone know??
>
> Stewart Rolfe, GW0ETF
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