[Amps] Pair of SB-220s

[Gary Smith]

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 at 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 at contesting.com [mailto:amps-bounces at contesting.com] On
  Behalf Of donroden at 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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