Amps
[Top] [All Lists]

[AMPS] Power out indicator

To: <amps@contesting.com>
Subject: [AMPS] Power out indicator
From: 2@mail.vcnet.com (Richard)
Date: Mon, 18 Feb 2002 08:09:44 -0800


>
>Tom said:
>
>>I hear that rumor repeated, but I've never been able to find that in 
>>any tuner I have ever seen.
>
>The tuner for the British Army D11/D13 tx's could certainly do it. 
>
>I've seen it in a Z match, too. Not often - depends on the load. I don't like
>the Z match anyway.
>
>>What does happen is there is a smooth and gradual reduction in 
>>efficiency as the Q is made higher,
>
>Especially in a Z match - which is why I don't like it.
>
>To avoid any misunderstanding here, I (and I believe Tom is, too) am talking
>about the working Q of the matching network, not the Q values of the 
>individual
>components in it.
>
>RF ammeters or torch bulbs as indicators give a 'feel good' factor. Of 
>course,
>if the tuner is remote, the difficulties of implementation far outweigh the
>advantages of having the indication.
>
?  i have yet to see a tuner that did not achive a match when adjusted 
with a reflectometer. 
>
cheers, Peter

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
end


--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com


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