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Re: [RFI] Coaxial Choke

To: "Jim Brown" <jim@audiosystemsgroup.com>, "RFI List" <rfi@contesting.com>
Subject: Re: [RFI] Coaxial Choke
From: "Cortland Richmond" <ka5s@earthlink.net>
Reply-to: ka5s@earthlink.net
Date: Mon, 20 Apr 2009 07:45:18 -0400
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
We are not rivals.    FWIW, HP's first product was an audio generator, the
HP 200A.
http://www.smecc.org/the_200-a_hewlett-packard%27s_first_product.htm 

In EMC, I have do deal with all sorts of stuff including, yes, audio.  400
Hz power can be nasty, and a lot of engineers think aluminum no matter how
thin, is a shield. Heh. 

Cortland
KA5S

> [Original Message]
> From: Jim Brown <jim@audiosystemsgroup.com>
>
> On Thu, 16 Apr 2009 08:45:26 -0700, Lee K7TJR wrote:
>
> >I think the RF engineers have been mischaracterized just a bit. Take for
instance
> >Messrs Packard, Hewlett, Vollum, and nameless others
>
> How many of them has designed an ANTENNA with anything approaching the
percentage 
> bandwidth of an audio system?  And how many decades passed before HP
produced an RF 
> generator or analyzer that covered the percentage bandwidth of an audio
system?  


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