[Elecraft] K2 Alignment and Verification of Specifications

[Don Wilhelm]

Jurgen,

You will probably find that even with better filter alignment, your spurs
will not be reduced.
I would tend to believe that you have an oscillator in the K2 that is not
behaving properly.  You should check both the BFO and VCO for signal purity
with the Spectrum Analyzer and work on the one that is causing your spur
problems - that is not normal.

73,
Don W3FPR

> -----Original Message-----
>
> Mmm, not really sure about that any more... as stated a few days ago I
> have seen the signals transmitted by my K2 (SN 5549) and I'm not really
> happy with them (especially on 10-12 and 30m).
>
> Anyhow, in a few days a friend of mine with (semi-) professional  will
> try to tweak the filters to see if we can improve on that.
>
> Am I one of the only ones who is also interested in the purity of the
> transmitted signal and not only in the quality of the receiver?
>

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