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Re: [Amps] Asynchronous coax matching transformer

To: "'Carl'" <km1h@jeremy.mv.com>, <amps@contesting.com>
Subject: Re: [Amps] Asynchronous coax matching transformer
From: "Joe Subich, W4TV" <lists@subich.com>
Reply-to: lists@subich.com
Date: Fri, 31 Jul 2009 20:42:32 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Try Google for "1/6 wave transformer:" 
   http://www.k1ttt.net/technote/matching.html 

73, 

   ... Joe, W4TV 
 


> -----Original Message-----
> From: amps-bounces@contesting.com 
> [mailto:amps-bounces@contesting.com] On Behalf Of Carl
> Sent: Friday, July 31, 2009 8:23 PM
> To: amps@contesting.com
> Subject: [Amps] Asynchronous coax matching transformer
> 
> 
> Does anyone remember the formula for matching 50 to 75 Ohms 
> with 2 very 
> short lengths of coax?
> If I remember it used a 75 Ohm section at the output of the 
> amp, and a 50 
> Ohm section to the CATV hardline. Frequency dependent of course.
> 
> Its been about 25 years since I built one.
> 
> Carl
> KM1H
> 


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