[Elecraft] Extra Protection For KPA500?

[Michael Walker]

Hi Tony

You do realize that the KPA500 does have over power protection as well?

Mike va3mw

On Thu, Mar 5, 2020 at 6:17 PM Don Wilhelm <donwilh at embarqmail.com> wrote:

> Rick,
>
> When you move into the new shack location, consider getting the new AUX
> cables from Elecraft.  If your original ones have a large (about 1/4
> inch diameter) cable, the new ones are smaller and more flexible.
>
> 73,
> Don W3FPR
>
> On 3/5/2020 5:57 PM, Rick Bates, NK7I wrote:
> > Don et al,
> >
> > On occasion the signal that the amp goes into Operate mode is not passed
> > along (or received, I don't know which), which means that the K3 will
> > operate at higher than required drive level, for a moment only because
> > the KPA500 will fault VERY quickly protecting everything.
> >
> > However, I am unable to come up with a viable pair of suspenders, so I
> > simply try to be more aware when the amp goes hot.
> >
> > The reverse can be true too; the K3 thinks the amp is still in operate
> > (but it isn't) and transmits at lower than expected output.
> >
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