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[AMPS] PushPull

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Subject: [AMPS] PushPull
From: (Tom Rauch)
Date: Tue, 25 Jul 2000 06:53:02 -0400
> Some friend told me that runing tube on pushpull will be give bigger power
> than parallel (for two tube). I don't really understand, could anybody
> here give some explanation.
> de Firson - YD1BIH

For RF amplifiers, if you are operating the tube close to the upper 
frequency limit, push pull can help stabilize the PA. It also reduces 
even harmonics.

For power output, as a general rule, there is no difference at all.  
Your friend was not correct in the typical case in RF PA's.

73, Tom W8JI

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