Hi Don,
Running the new software revision on our development units here (s/n
1403 & 7420), we see 15W output on 80-20M, with the KX3 pulling 2.2-2.5A
depending on SWR. The voltage readings below are the average observed
on two different KX3s on 40M powered by a Pro Audio Engineering Kx33:
Voltage at the DC jack measured on an HP34401A:
Rcv: 14.45 VDC
Xmit: 14.15 VDC
Voltage from the KX3 display PS value:
Rcv: 14.1 VDC
Xmit: 13.5 VDC
The lower readings on the KX3's display are due to the polarity
protection diode and other I*R voltage drops /internal/ to the KX3.
Elecraft's spec for the 15W power level specifies a supply which can
deliver /at the DC power jack/ at least 13.8V at the 2.3-2.5A level
needed for 15W output. The PAE-Kx33 design will deliver at the DC power
plug 3A at >14.0V, and 4A at >13.9V.
If your Kx33 supply is not delivering better than 13.8V at the plug
running 15W then please contact us!
Cheers & 73,
Howie - WA4PSC
www.proaudioeng.com
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net
This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com
