Posted by
David Cutter on
Nov 12, 2006; 3:37pm
URL: http://elecraft.85.s1.nabble.com/KPA100-rev-D-tp395255p395258.html
In the marine set I went to sea with, 2 x 10k 25W carbon resistors in
parallel were fitted as an antenna bleed. This was on the MF/HF set: all
valves in those days. Antenna was end fed inverted L and the tx was about
150W.
David
G3UNA
----- Original Message -----
From: "Robert Johansen" <
[hidden email]>
To: <
[hidden email]>
Sent: Saturday, November 11, 2006 4:42 PM
Subject: [Elecraft] KPA100 rev D
> Hi Wayne,
>
> There a reason for concern for eliminating the choke in the antenna
> circuit. I noticed that there is no DC path to ground to eliminate the
> chance of static potenital build up on an antenna from discharging a high
> voltage into the rig. This may be the reason why some builders have
> experienced blown detection diodes in some ATU's etc.
>
> I think that is a good practice to install a 47K 1/2W carbon resistor
> across the antenna terminals to act as a bleeder resistor when there is a
> capacitive coupled output.
>
> 73,
> Bob Johansen WB2SRF
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