[Boatanchors] Millen balun info?

[Al Klase]

Hi Ray,

I just checked the 1962 ARRL Handbook.  The Millen catalog 
section says:  "Suitable for use with the No. 90672 Antenna 
Bridge or medium power transmitters."  (1:4 impedance ratio.)

The same handbook has a construction article for similar 
units described by W2ZE in August 1955 QST.  These are 
intended for use with an unbalanced SWR bridge to make 
measurements on balanced antenna systems.  They use NPO 
ceramics a compensating caps.  I suspect these components 
limit you to "medium" power.

Hope this helps.

73,
Al

Ray LaRue wrote:
> I have an unused set of Millen single band antenna baluns in the original
> boxes.  One of them is model 46672-20 for 20 meters.  They consist of a coil
> on about a 1 1/2" diameter clear plastic form, a PL-259 and two terminals
> for the output.  They have two compensation capacitors inside the coil form.
> 
> I do not have any data on them such as the power rating.  Can anyone offer
> any insight?
> Thank you for your attention.
> 73,
> Ray, W4BYG
> Naples, FL



-- 
Al Klase - N3FRQ
skywaves@bw.webex.net
Flemington, NJ 08822
Web Page:  http://www.webex.net/~skywaves/home.htm