K2: current documentation on remoting KPA100/KAT100?

[John Shadle]

I know of this one link.

http://www.kk7p.com/k2kpa100.html

Is this the most current/best guide for remoting the KPA100/KAT100?

Are there other guides which offer different/better information?

Thanks.
-john W4PAH
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[Don Wilhelm-4]

  John,

That guide is still good if you read the update notes.

However, if you are mounting both the KAT100 and the KPA100 both in the
same EC2 enclosure it is much easier.
Order the KAT100-2, and you will find it has the 10 pin connector for
the KPA100 control cable as well as the DC and antenna connectors - so
all you need to do is plug the KPA100 to those connectors.  When you
make up the control cable indicated in the KAT100 manual, that one cable
is then sufficient to bring the K2 control signals to the KPA100 and
KAT100 combo, plug it either into the KAT100 or the KPA100.  You will
need a BNC to BNC cable between the K2 and the KAT100 AUX RF jack, and
you will need a short PL259 to PL259 coax to connect from the KPA100 to
KAT100 input.
The KIO2 or a suitable substitute is needed in the K2.

73,
Don W3FPR

On 9/13/2010 10:08 AM, John Shadle wrote:

> I know of this one link.
>
> http://www.kk7p.com/k2kpa100.html
>
> Is this the most current/best guide for remoting the KPA100/KAT100?
>
> Are there other guides which offer different/better information?
>
> Thanks.
> -john W4PAH
>

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[John Shadle]

Yes, Don, that's what I'm planning on doing.

I have a KPA100 already built, and have the EC2 with the larger front
panel for the KAT100, which I'm planning to build the KAT100 into.

So, basically I just need to install a BNC cable in the rear of the
KAT100-2 and drop in the KPA100 into the KAT100-2?

Are there other resistors, diodes, etc. that need to be changed in the
KAT100 or the KPA100 (or the K2 RF board) to make this work? Or is it
really that simple--adding a BNC connector and plugging the KAT100
into the KPA100?

-john W4PAH

On Mon, Sep 13, 2010 at 10:33 AM, Don Wilhelm <[hidden email]> wrote:

>  John,
>
> That guide is still good if you read the update notes.
>
> However, if you are mounting both the KAT100 and the KPA100 both in the same
> EC2 enclosure it is much easier.
> Order the KAT100-2, and you will find it has the 10 pin connector for the
> KPA100 control cable as well as the DC and antenna connectors - so all you
> need to do is plug the KPA100 to those connectors.  When you make up the
> control cable indicated in the KAT100 manual, that one cable is then
> sufficient to bring the K2 control signals to the KPA100 and KAT100 combo,
> plug it either into the KAT100 or the KPA100.  You will need a BNC to BNC
> cable between the K2 and the KAT100 AUX RF jack, and you will need a short
> PL259 to PL259 coax to connect from the KPA100 to KAT100 input.
> The KIO2 or a suitable substitute is needed in the K2.
>
> 73,
> Don W3FPR
>
> On 9/13/2010 10:08 AM, John Shadle wrote:
>>
>> I know of this one link.
>>
>> http://www.kk7p.com/k2kpa100.html
>>
>> Is this the most current/best guide for remoting the KPA100/KAT100?
>>
>> Are there other guides which offer different/better information?
>>
>> Thanks.
>> -john W4PAH
>>
>

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[John Shadle]

Also, I just found this conversation from a while back. You reply with
a very similar note, Don. ;-)

http://elecraft.365791.n2.nabble.com/K2-REMOTE-KPA100-KAT100-td469168.html

And, there are some folks who chime in with their own experiences
doing this. It does sound like a very easy job!

I was working on my KSB2 last night and hope to finish it this week,
then to stuff all of the modules in the K2 and prepare for filter
alignment and final check-out. This multi-year project is about to be
complete!

-john W4PAH
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