K3: what specs will be reported?

[DOUGLAS ZWIEBEL]

Eric, Wayne:

While we are waiting for the "specs," I thought that I would list the
specs that I'd like to see, anticipating that you will, minimally,
cover them.  Hopefully, other will add to the list.

1.  MDS for ssb/cw.  By band (160, 20, 10, 6).  For both preamp OFF
and preamp ON.

2.  BDR at spacings: 20kc, 5kc, 2kc, 1kc.  By band (160, 20, 10, 6).

3.  Two tone, 3rd order IMD Dynamic Range.  By band (160, 20, 10, 6)

4.  3rd Order Intercept at spacings: 20kc, 5kc, 2kc, 1kc.  By band
(160, 20, 10, 6)

5.  2nd order intercept

For all of the above, specify "which" roofing filter (minimally
include "stock" 2.7 and at least one "narrow" (1kc or 500hz range).
More is better.

A detailed explanation of the AGC action, where and how it fits into
the circuit, and how it reacts at various signal levels (very tiny,
normal, very strong).

I would also appreciate a description of your "testing" setup, signal
levels, equipment used, etc.

Thanks for you consideration (cash in hand, pending specs).

:-)

de Doug KR2Q
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[Craig-89]

I would also add

1. The Phase Noise performance

2. The AGC In  Band IMD for  Fast and Slow AGC

3. The Transmitter IMD levels at 5khz, 10khz, 15khz
and 20 KHZ spacings under SSB voice conditions.   A
PSK IMD test at various power levels would also be
interesting.

The Receiver figures with the Noise Blanker On.

Its going to be a long wait for the ARRL  test report.
Maybe Elecraft should  now  perhaps think  about
changing their Receiver Performance  comparison tables
to signals spacings of 2 and 5 khz. It certainly would
make comparisons  a bit easier.



Craig
VK3HE


--- DOUGLAS ZWIEBEL <[hidden email]> wrote:

> Eric, Wayne:
>
> While we are waiting for the "specs," I thought that
> I would list the
> specs that I'd like to see, anticipating that you
> will, minimally,
> cover them.  Hopefully, other will add to the list.
>
> 1.  MDS for ssb/cw.  By band (160, 20, 10, 6).  For
> both preamp OFF
> and preamp ON.
>
> 2.  BDR at spacings: 20kc, 5kc, 2kc, 1kc.  By band
> (160, 20, 10, 6).
>
> 3.  Two tone, 3rd order IMD Dynamic Range.  By band
> (160, 20, 10, 6)
>
> 4.  3rd Order Intercept at spacings: 20kc, 5kc, 2kc,
> 1kc.  By band
> (160, 20, 10, 6)
>
> 5.  2nd order intercept
>
> For all of the above, specify "which" roofing filter
> (minimally
> include "stock" 2.7 and at least one "narrow" (1kc
> or 500hz range).
> More is better.
>
> A detailed explanation of the AGC action, where and
> how it fits into
> the circuit, and how it reacts at various signal
> levels (very tiny,
> normal, very strong).
>
> I would also appreciate a description of your
> "testing" setup, signal
> levels, equipment used, etc.
>
> Thanks for you consideration (cash in hand, pending
> specs).
>
> :-)
>
> de Doug KR2Q
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft   
>
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>

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