SB-220

[Bill Coleman]

On Feb 21, 2005, at 9:43 AM, James Sutherin wrote:

>  I don't think the RG-8X is rated for the output of the amplifier even
> for a short run of only a foot.

Technically, even RG-58A/U is rated for full output (1 kW) of the 
amplifier - in the matched condition. RG-8X is certainly capable of 
handling a full gallon -- in the matched condition, and then some.

If you are working the amplifier into something other than a 50 ohm 
load, particularly load with considerable reactance, you might run into 
trouble with arcing with RG-8X. You're better off then to use a cable 
with a solid dielectric - RG-58U (if you can find some), RG-8/U, 
RG-213. Since RG-8 is larger, it has a higher breakdown voltage.

Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
Quote: "Not within a thousand years will man ever fly!"
             -- Wilbur Wright, 1901

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