[Elecraft] K3/K3S 10W models with KXPA100

[Brendon Whateley]

Ron,

Would it be possible to put some sort of RF detector between the rig and
the amp to trigger the KEY line? That would seem to be a relatively simple
DIY project if need be.

- Brendon
KK6AYI

On Sat, Feb 20, 2016 at 12:15 PM, Ron D'Eau Claire <ron at cobi.biz> wrote:

> I was just informed by the design engineer that it does NOT sense RF to
> transmit, so you need to provide a way to ground the KEY line input to the
> KXPA100 to transmit.
>
> My apologies.
>
> 73, Ron AC7AC
>
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ron
> D'Eau Claire
> Sent: Saturday, February 20, 2016 11:20 AM
> To: 'lstavenhagen'; elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3/K3S 10W models with KXPA100
>
> It works very well with just about any QRP rig. Complete instructions for
> use with rigs other than the KX3 are included in the Owner's manual,
> available from the Elecraft web site here:
>
>
> http://www.elecraft.com/manual/E740199%20KXPA100%20Owner's%20Manual%20Rev%20
> A5.pdf
>
> It will work well even with QRP rigs that do not have a key line to enable
> the amp. The amp will sense the presence of RF drive and switch to transmit
> automatically.
>
> 73, Ron AC7AC
>
>
>
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
> lstavenhagen
> Sent: Saturday, February 20, 2016 6:25 AM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] K3/K3S 10W models with KXPA100
>
> Hi all,
> May be a bit silly of a question, but how well does the KXPA 100 work with
> the K3 or K3S 10W model? Reason I ask is I now have 3 10W rigs (K3, K3S and
> a K2) and may be building a 4th soon (another K2/10). And in the very rare
> event when do go QRO, it would probably be cheaper to just get one 100W amp
> to use with them all than 4 100W amp modules for each.
>
> So my idea is a KXPA100 for my QRO ops with each one. So just curious how
> well this amp works with the K3 and K3S? I would imagine it'd be similar to
> using it with the K2 or ?
>
> Thanks,
> LS
> W5QD
>
>
>
> --
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> 4.html
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