[1000mp] Inrad Keying Mod

[Harry Yingst]

what is an easy way to determine if you have clicks or not?


--- Scott Manthe <scottm@fbx.com> wrote:
> Barry,
> The waveforms of the MP (semi-break-in) and the Mark V
> (full-break-in) are
> virtually identical and both are different than the Field
> (full-break-in).
> So, while there is an anomoly in the comparison due to the testing
> (which I
> was aware of), one would have to surmise that the keying method
> doesn't
> really have much of an effect on the waveform in this case.
> 
> My point is not that Yaesu did enough to solve the keyclick problem,
> but
> they DID do something to improve the waveform in the Field. The
> rise/decay
> times should still be made longer, which would go a long way toward
> eliminating the problem.
> 
> 73,
> Scott, W9AL
> 
> ----- Original Message ----- 
> From: "Barry N1EU" <n1eu@hotmail.com>
> To: <1000mp@mailman.qth.net>
> Sent: Thursday, January 08, 2004 12:23 PM
> Subject: [1000mp] Inrad Keying Mod
> 
> 
> > Scott commented "A comparison of the CW waveforms in the QST
> reviews of
> the
> > MP, Mark V and
> > the Field would indicate that Yaesu did make some improvements to
> the
> keying
> > circuitry in the Field. . ."
> >
> > There's an anomaly in the waveform of the first element in the MP
> review
> > (semi-breakin).  Discounting that very first element, subsequent
> elements
> of
> > the MP and the Field look virtually identical and elicit similar
> keyclicks.
> > My own testing on keyclicks is done with PTT.
> >
> > 73,
> > Barry N1EU
> >
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=====
-
Harry - AB2PN

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