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Q and A about K3S

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Edward A. Dauer

Q and A about K3S

Hello Wayne ‹

A few days ago I posted a query here, noting how much info is coming out
about the K3S as we go through participants¹ questions and others¹
answers, and asking if there couldn¹t be some way to gather them all up
after a while, for reference in one neat place. The existing on-line FAQs
are well-done and helpful; but a good deal more info - like the questions
and your answers below - is being added to it as we go. Any chance of
Elecraft drafting a revised FAQ sometime including the items asked about
on the reflector?

Thanks,

Ted, KN1CBR

>Message: 27
>Date: Tue, 19 May 2015 13:59:55 -0700
>From: Wayne Burdick <[hidden email]>
>To: David and Dianne on Comcast <[hidden email]>
>Cc: [hidden email]
>Subject: Re: [Elecraft] K3 to K3S Upgrade Questions for Elecraft
>Message-ID: <[hidden email]>
>Content-Type: text/plain; charset=us-ascii
>
>David and Dianne on Comcast <[hidden email]> wrote:
>
>> I have several questions for you as I consider the K3S upgrade decision
>>in the near term.
>>
>> My early K3 (Feb 2008) has an early sub-receiver installed. I may be
>>interested in purchasing a K3S but would like to use my current
>>sub-receiver in the new K3S to keep the cost down. I believe you
>>indicated earlier that it is compatible and is possible to do. So....
>>
>> 1. Will my original sub-receiver's DSP board also work in the K3S?
>
>Yes.
>
>
>> Will a new sub-receiver DSP board work with an original sub-receiver in
>>the K3S?
>
>Yes.
>
>
>> Any other considerations or suggestions?
>
>No. The DSP board we're changing is the one for the main
>receiver/transmitter. That's the one that has the new AF circuitry on it.
>
>
>> 2. Can you summarize the changes from the early KPA3's to the more
>>recent KP3A?
>
>The KPA3A uses different output devices that are more readily available.
>Otherwise specs are the same.
>
>
>> 3. Has the K3 mixer board and its circuit on the K3 RF board undergone
>>any changes from the early K3's to the K3S?
>
>The K3 RF board has had a few minor updates, all covered by existing mod
>kits. The K3S adds an attenuator section (to provide 5/10/15 dB settings)
>and a completely revised layout using 4 layers to reduce noise pickup and
>improve port-to-port isolation.
>
>73,
>Wayne
>N6KR

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wayne burdick

Re: Q and A about K3S

Administrator

Hi Ted,

We'll be updating the FAQ periodically.

73,

Wayne
N6KR

"Dauer, Edward" <[hidden email]> wrote:

> A few days ago I posted a query here, noting how much info is coming out
> about the K3S as we go through participants¹ questions and others¹
> answers, and asking if there couldn¹t be some way to gather them all up
> after a while, for reference in one neat place. The existing on-line FAQs
> are well-done and helpful; but a good deal more info - like the questions
> and your answers below - is being added to it as we go. Any chance of
> Elecraft drafting a revised FAQ sometime including the items asked about
> on the reflector?
>
> Thanks,
>
> Ted, KN1CBR