[Amps] Pair of SB-220s

[Carl]

That method works fine for polarization diversity especially on the low 
bands.

Carl
KM1H


----- Original Message ----- 
From: "Paul Decker" <kg7hf at comcast.net>
To: <amps at contesting.com>
Sent: Sunday, September 06, 2009 11:20 AM
Subject: [Amps] Pair of SB-220s


>
>
>
> There is no reason that I know of it wouldn't and couldn't work. Like 
> others have said, many VHF and some HF solid state amps use this method. 
> You could have multiple splitters/combiners for various bands and switch 
> them in/out when changing bands (manual or automatic). As far as using 
> coax for the splitters/combiners, that's a lot of coax on 80 meters!
>
>
>
> The other thing though is the power is divided between the two, so if you 
> are using a 100 watt exciter, only 50 watts is getting to each amp, I 
> think you might need more drive to see any noticeable power increase. On 
> the other hand, at 500 - 600 watts out each, that method would increase 
> the key-down time for full duty cycle modes.
>
>
>
>
> Paul (KG7HF)
>
>
>
>
> Message: 4
> Date: Sat, 05 Sep 2009 23:39:41 -0500
> From: donroden at hiwaay.net
> Subject: [Amps] Pair of SB-220s
> To: "amps fourm" <amps at contesting.com>
> Message-ID: <20090905233941.10736d8yguwdfw25 at webmail.hiwaay.net>
> Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes";
> format="flowed"
>
> Not saying anybody WOULD,,,,,,,,,,, but if you COULD.....
> parallel a pair of SB-220s on a single band ?
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