[Elecraft] KPA1500 Enhancement

Erik Basilier ebasilier at cox.net
Wed Apr 26 22:59:57 EDT 2017


Of course, in an SO2R scenario where the shared amplifier alternates between
two different bands with every transmission, a shared ATU would exercise the
relays a lot. Separate tuners might be needed in order to avoid the relays
wearing out.

73,
Erik K7TV

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
Matthew Cook
Sent: Wednesday, April 26, 2017 5:45 PM
To: Thomas Donohue <tomdon92 at gmail.com>
Cc: Elecraft Reflector <Elecraft at mailman.qth.net>
Subject: Re: [Elecraft] KPA1500 Enhancement

If that were to happen then adding a second 15-way connector at the same
time to said module to allow two K3/K3s to drive the one amp through each
respective antenna input and matched output would start this amp towards the
"basic" SO2R path.  From there a smart 2x6 antenna switching unit some well
designed BPF filters and your well on your way.  The rest of the magic is
then just firmware (says he that writes said firmware every day) within the
upgraded processor the KPA1500 has been blessed with.

I'm fingers crossed..

73

Matthew
VK5ZM

On 26 April 2017 at 22:37, Thomas Donohue <tomdon92 at gmail.com> wrote:

> Hi to all:
>
> Wayne or Eric. Are there any plans or thoughts about adding a second 
> RF input to the amp, similar to what the Yaesu VL-1000 has?
>
> Best 73,
> Tom/W1QU
>
>
> Sent from my iPad
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