[Elecraft] harsh output note?
John [K7SVV]
k7svv at arrl.net
Tue May 29 20:44:46 EDT 2007
I find it VERY difficult to judge the quality of my signal on another local
receiver. Rely on what others say rather than on what your ears hear.
John [K7SVV]
----- Original Message -----
From: "Chris Kantarjiev" <cak at dimebank.com>
To: <elecraft at mailman.qth.net>
Sent: Tuesday, May 29, 2007 3:29 PM
Subject: [Elecraft] harsh output note?
>I just had occasion to listen to my K2 with another receiver (my KX1) for
> the first time in a long time. The received note is much ... harsher
> than I'd expect. There seems to be a harmonic an octave or so down from
> the main carrier, so there's a fairly complex tone coming across
> rather than pure sine.
>
> I don't often listen to my output, probably poor practice on my part.
> The last time I did, it sounded better than this. With the radios
> reversed,
> that is sending on the KX1 and listening on the K2, the KX1 sounds much
> better/purer.
>
> The main thing I've done recently is add the key shaping mod...
> which led to some power out problems that I haven't dug into yet
> (the power bounces more than I'd expect, and it's hard to get exactly
> 5w out on the RF meter).
>
> Should I be concerned about this? How do I go about diagnosing?
>
> Thanks!
>
> 73 de chris K6DBG
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