> Is this possibly the way (Wilkinson combiner/splitter) that
> Ameritron gets 1200w out of their new (ALS-100) SS amp? 73,
Yes, they use two ALS-600 boards with splitters in the input
and combiners on the output. However, instead of Wilkinson
combiner/splitters Ameritron is using broadband devices. The
ALS-1300 manual (with schematics) is available on the Ameritron
web site: http://ameritron.com/man/pdf/ALS-1300.pdf
73,
... Joe Subich, W4TV
microHAM America
http://www.microHAM-USA.com
http://groups.yahoo.com/group/microHAM
support@microham.com
> -----Original Message-----
> From: amps-bounces@contesting.com
> [mailto:amps-bounces@contesting.com] On Behalf Of Gary Smith
> Sent: Sunday, September 06, 2009 2:42 PM
> To: DF3KV; amps@contesting.com
> Subject: Re: [Amps] Pair of SB-220s
>
>
> Is this possibly the way (Wilkinson combiner/splitter) that
> Ameritron gets 1200w out of their new (ALS-100) SS amp? 73,
> Gary...wa6fgi
>
> ----- Original Message -----
> From: DF3KV
> To: amps@contesting.com
> Sent: Sunday, September 06, 2009 11:25 AM
> Subject: Re: [Amps] Pair of SB-220s
>
>
> It will work with 1/4 coax transformers, but I would always
> prefer wide band
> 2:1 ferrite transformers (as used in stack matches)plus a
> variable phase
> shifter in one channel.
> I did that in the past with a pair of IC-2KLs all band.
>
> 73
> Peter
>
> -----Original Message-----
> From: amps-bounces@contesting.com
> [mailto:amps-bounces@contesting.com] On
> Behalf Of donroden@hiwaay.net
> Sent: Sonntag, 6. September 2009 06:40
> To: amps fourm
> Subject: [Amps] Pair of SB-220s
>
> Not saying anybody WOULD,,,,,,,,,,, but if you COULD.....
> parallel a pair of SB-220s on a single band ?
> Wilkinson Power deviders / combiners for zero phase combining?
> A 90 degree network on the input and opposite 90 degree on output ?
> Run them in push-pull ( 180 degrees )
>
> Assuming all splitters/ combiners would be made from coax.
>
> Or, just use short runs of equal length coax and a coax tee
> for the inputs
> and accept a 2:1 drive mismatch ?
>
> Hummmmmmm
>
>
> Don WA4NPL
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