[Elecraft] KX3 PO vs actual output.

[Ray Maxfield]

Hi .... All Items Must be Calibrated !
The Load Must be 50  J 0, not an antenna.
The Watt Meter must be Calibrated for the Band or Frequency you are Transmitting,
Or your just Chasing your Tail.... (sorry Old Days saying )
Some watt meters will say  5% +/- one last Digit..

Ray WA6VAB  K3


________________________________
From: elecraft-bounces at mailman.qth.net <elecraft-bounces at mailman.qth.net> on behalf of Ken <ken057581 at gmail.com>
Sent: Thursday, October 24, 2024 9:22 AM
To: elecraft at mailman.qth.net <elecraft at mailman.qth.net>
Subject: [Elecraft] KX3 PO vs actual output.

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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