[Elecraft] K1: Band 2 (15M) low audio and a steady tone on one frequency

Don Wilhelm w3fpr at embarqmail.com
Sun Jan 20 08:37:31 EST 2008


Yes, you can use a wire jumper - just bend a component lead and stick 
its ends into the socket.
The best first step is to see if you can hear the crystal frequency in a 
general coverage receiver.  Connect a length of wire to the receiver 
antenna jack center conductor and use it as a probe near the K1 crystal.

73,
Don W3FPR

MGFoster wrote:
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> Greetings,
>
> I have the 2 band (40M/15M) filter board, and the 15M receiver has very
> poor reception and a very loud, steady tone on one frequency.  The
> tone's bandwith is very narrow (about 2 Hz).  As soon as I construct the
> RF probe I'll do some tests to determine why the reception is so poor.
>
> I discovered this while installing the KAT1, which means I've installed
> the connector at J2, thus removing the J2 jumper.  I was wondering if I
> can temporarily insert a scrap component lead as a jumper in the
> connector rather than destroy the connector to remove it & re-install
> the jumper (while I test the Band 2 set-up without the KAT1)?
>
> Also, has anyone any idea what may be the cause of the steady tone?  I
> didn't see any mention in the list archive of a similar occurrence.  My
> initial hunch is that it is a symptom of a short, possibly in the
> crystal.
>
> Thanks,


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