Re: [Elecraft] KPA100/KAT100 EC2 Combo to ICOM 705

2021-09-29 Thread kd4iz
Robin,

I second Don's comments. To add, have been using my KXPA100AT with the 705 and 
have found it simple and trouble free. I know of quite a few other who do the 
same. Good discussions of that on ic-...@groups.io list.

Jack - KD4IZ

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of Don Wilhelm
Sent: Wednesday, September 29, 2021 11:48
To: Robin Tew ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA100/KAT100 EC2 Combo to ICOM 705

Robin,

That will not work.  The KPA100 depends on internal signals from the base K2 
such as AUXBUS and several other signals to operate and control power output.  
In other words, it is an amplifier dedicated to the K2 and not a general 
purpose amplifier.

The KXPA100 and KXAT100 would serve you better than cobbling up an interface 
that would be quite complex.

he signals needed are those in the 9 pin AUX IO connector.  AUXBUS allows the 
base K2 firmware to 'talk' to the KPA100 firmware IC as well as the KAT100 
firmware.

73,
Don W3FPR

On 9/29/2021 10:59 AM, Robin Tew wrote:
> Hi All
> Just thinking about using the KPA100/KAT100 EC2 Combo with the Icom 705.
>
> Any pointers,ideas,tips etc. To achieve this?.
> Many thanks
> Robin G4JDO
>
>

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Re: [Elecraft] KPA100/KAT100 EC2 Combo to ICOM 705

2021-09-29 Thread Don Wilhelm

Robin,

That will not work.  The KPA100 depends on internal signals from the 
base K2 such as AUXBUS and several other signals to operate and control 
power output.  In other words, it is an amplifier dedicated to the K2 
and not a general purpose amplifier.


The KXPA100 and KXAT100 would serve you better than cobbling up an 
interface that would be quite complex.


he signals needed are those in the 9 pin AUX IO connector.  AUXBUS 
allows the base K2 firmware to 'talk' to the KPA100 firmware IC as well 
as the KAT100 firmware.


73,
Don W3FPR

On 9/29/2021 10:59 AM, Robin Tew wrote:

Hi All
Just thinking about using the KPA100/KAT100 EC2 Combo with the Icom 705.

Any pointers,ideas,tips etc. To achieve this?.
Many thanks
Robin G4JDO




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