[AMPS] Re: Choke Isolation Using Coax Cable

[measures]

>Fred said:
>
> >Probably the chokes you refer to in your 1990 article were not available at
> >that time. However, let me quote from a 1996 ARRL Handbook, page 19.17.
> >
>
>Rich says:
>
>not a good bet.
>
>Rich says:
>
> >The air core ugly balun would not saturate with 14k.  .  Ferrite cores
>saturate.
>
>Your right about air core baluns -- would not want to use one of those -- 
>and never have.  

You prefer to use a core that can saturate?. 

> But  your wrong about the correct choice of ferrite cores 
>that don't have the problems you indicate Rich.
>
This tuner was not intended for QRPP.  Not saturating with large suds was 
an important issue for the balun.  

>My position is that coax baluns are the poorest solution.  

A saturation-proof, low-cost, non-resonant, non-incendiary balun is a  
"poor solution" ? 

>And I know that 
>from experience and analysis plus measurements.
>
>What did you use for measurements? You forgot to answer that question.
>
I deliberately did not answer that question because I smelt red herring.  
   

cheers, Fred


-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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