[TenTec] apparent match possible in T Tuner

[c-hawley@uiuc.edu]

I mentioned this on a reflector which W8JI saw a few years 
ago...about the efficiency of the L as opposed to the T. He 
emailed me that, depending on how much of what element the L 
required to match, since the value of the inductor must be 
so large sometimes, that a T might well be more efficient. I 
have never found the inductor to be lacking in the max value 
or element Q department, but it is worth thinking about.
I use the 238B or a rewired to be an L ckt, Nye MB5A.
Chuck, KE9UW

---- Original message ----
>Date: Mon, 21 Mar 2005 18:33:03 -0500
>From: "Gary Hoffman" <ghoffman at spacetech.com>  
>Subject: Re: [TenTec] apparent match possible in T Tuner  
>To: "Discussion of Ten-Tec Equipment" 
<tentec at contesting.com>
>
>That would be humorous, right up until the tuner melted.
>
>Of course that is not literally what happens.
>
>Its just that the circulating currents inside the L/C 
components of the
>tuner go up, to disadvantageously high levels.  The power 
does get radiated,
>except what is consumed in the resistive component of the 
tuner devices.
>
>There are excellent explanations in the literature which 
show the math that
>explains why a T is less efficient.  I don't have a link 
handy, but I'm sure
>that someone else will provide one.
>
>73 de Gary, AA2IZ
>
>
>----- Original Message ----- 
>From: "Jeff Frank" <jafrank at nyc.rr.com>
>To: <tentec at contesting.com>
>Sent: Monday, March 21, 2005 9:15 PM
>Subject: Re: [TenTec] apparent match possible in T Tuner
>
>
>> Do you mean to say you really might not be able to notice 
that all the RF
>is
>> just circulating in the tuner with a T match instead of 
going out to the
>> antenna if you get the "false" match? There would be no 
indication of this
>> except nobody would answer you because your signal would 
be so weak? Does
>> that really happen to people???