Posted by
Doug Turnbull on
May 23, 2010; 6:39pm
URL: http://elecraft.85.s1.nabble.com/FT-5000-againts-K3-tp5088345p5091469.html
James,
You state this very well. Competition is good and sooner or later
someone will produce a better radio than the K3. Many K3 users would like
different emphasis in areas of design but then come to realize that we would
probably miss some of the current features such as portability. There is
however one area that I bet no one is going to equal and that is the
involvement of design engineers with amateurs! The design is ever
improving and we have a great community within the Elecraft users. No
other radio manufacturer yet matches this and I bet no one will.
73 Doug EI2CN
-----Original Message-----
From:
[hidden email]
[mailto:
[hidden email]] On Behalf Of James Duffey
Sent: 23 May 2010 17:03
To:
[hidden email]
Cc: James Duffey
Subject: Re: [Elecraft] FT-5000 againts K3 ?
Dave - You wrote:
"AFAIK, all the testing is done with a single unit. Does anyone have an
idea as to what the normal unit-to-unit variation is? Are we talking
0.1dB, 1dB, 5dB?"
Variations of a few dB from one unit to another of the same radio are
typical. For the higher performing radios, most operators will not be able
to tell the difference.
There are exceptions, for a particularly pathological case look at the Third
Order Dynamic Range Narrow Spaced (dB) for the two K2s that Robert Sherwood
tested:
<
http://www.sherweng.com/table.html >
For radios based on straight analog to digital converters (ADC), that is
those that have no traditional mixer/LO/IF front end, such as the Perseus
the third order dynamic range is not a good figure of merit, as the third
order products do not manifest themselves until the ADC has essentially
saturated.
Everyone should be happy that other manufacturers are striving for optimum
receiver performance competitive with Elecraft, whether driven by the K3 or
not. Competition is healthy for the market place and we all benefit. It is a
lack of American competition in the 70s and 80s that allowed the Japanese
imports to get a toehold here. For better and for worse. - Duffey
--
KK6MC
James Duffey
Cedar Crest NM
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