Amps
[Top] [All Lists]

Re: [Amps] Asynchronous coax matching transformer

To: amps@contesting.com
Subject: Re: [Amps] Asynchronous coax matching transformer
From: Pete Michaelis - N8TR <pete.n8tr@gmail.com>
Date: Fri, 31 Jul 2009 23:20:19 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
At 08:22 PM 7/31/2009, KM1H wrote:
>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.

A very nice Windows program that calculates the needed lengths is available
at:

http://www.seed-solutions.com/gregordy/Software/SMC.htm

73 Pete - N8TR 
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

<Prev in Thread] Current Thread [Next in Thread>