[Elecraft] KX3 PO vs actual output.

[Ray WA6VAB]

Hi
Ken. Do feel comfortable troubleshooting the radio ?   Maybe you have a
shorted Fet.  Ray
Wa6vab

On Thu, Oct 24, 2024, 8:53 PM Eric Garner <garnere at gmail.com> wrote:

> If you are drawing 6A at 13.8V, something is probably very wrong. Either
> your measurement setup has an issue or there are a lot of watts being
> turned into heat somewhere. Full power should be around 2A.
>
> -Eric KI7LTT
>
> On Thu, Oct 24, 2024 at 9:23 AM Ken <ken057581 at gmail.com> wrote:
>
> > I've always thought it was putting out the 15 watts, or 12 as the case
> may
> > be, since it has all the firmware updates, but looking at the dummy load,
> > it's at 10 watts, if that, with the PO control at 15 watts on all the
> bands!
> > Using 13.8V indicated, at 6A
> >
> > Not sure whats going on but any info appreciated.
> > Thanks, Ken, W2GIW
> >
> >
> > MCU 2.38 / DSP 1.37, 1-3-2015
> >
> > * POWER OUT NOW 15 WATTS MAX, 80-20 M: On 80-20 meters, the PWR control
> > can now be set as high as 15 W (max is still 12 W on other bands). Supply
> > voltage must be over 12.8 V on key-down as indicated by the KX3’s voltage
> > display (tap DISP, rotate VFO B). Note:  The KX3 will automatically
> reduce
> > power as required if current, SWR, or temperature is excessive, or if
> > supply voltage is too low. If a band other than 80-20 m is selected,
> power
> > output will be cut back to 12 W max. It must then be manually set above
> 12
> > W after switching to 80-20 m.
> >
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>
> --
> --Eric
> _________________________________________
> Eric Garner
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