[TowerTalk] Triplexer
Richard Thorne
rthorne at rthorne.net
Tue Apr 19 11:14:41 EDT 2016
The entire system needs to be looked as well. I have the 4O3A triplexer
good for 4500 watts, however, my stackmatches are only good for 3000
watts. Not issue for my station as its setup for so2r or possibly a
multi-2.
Rich - N5ZC
On 4/19/2016 9:36 AM, john at kk9a.com wrote:
> A single op can only transmit one signal at a time so the combined wattage
> would only be an issue for multi-ops. This is a good question, can the
> triplexer could handle three H.P. stations on simultaneously.
>
> Many contest stations have multiple tribanders pointing in different
> directions. For maximum flexibility you may need a triplexer on each beam?
>
> John KK9A
>
>
> To: <towertalk at contesting.com>
> Subject: [TowerTalk] Triplexer
> From: "Jim Thomson" <jim.thom at telus.net>
> Date: Tue, 19 Apr 2016 06:19:38 -0700
>
>
>
>
> &&& No, what I meant was say 3 amps, all running 1.5 kw RTTY..
> simultaneously
> = 4.5 kw average power. Per Eimac, that would be the same as a 3 tone
> signal,
> with each tone having an average power of 1.5 kw.
> (Number of tones) squared, X 1.5 kw = 13.5 kw pep out.
> 13.5 kw pep out = 825V rms = 1166 V peak.
>
> &&& 4.5 kw average, would be max worse case. Still, on CW, with all
> 3 on TX, it would still be aprx 2 – 2.25 kw average. So it may still work.
>
> &&& The other issue would be the tribander would be pointed in 1 direction,
> so all 3 bands would also be in one direction, which may not be what you
> want.
> But folks with rotating towers face the same dilemma.
>
> Jim VE7RF
>
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