[Boatanchors] [ARC5] Unun measurements

[D C _Mac_ Macdonald]

Good evening (here), Brian. 
 
In the USA, baluns are specified by their impedance ratios! 
 
* * * * * * * * * * * 
* 73 - Mac, K2GKK/5 * 
* (Since 30 Nov 53) * 
* k2gkk at hotmail.com * 
* Oklahoma City, OK * 
* USAF & FAA (Ret.) * 
* * * * * * * * * * * 
 
 
 

 

> From: brianclarke01 at optusnet.com.au
> To: kgordon2006 at frontier.com
> Date: Fri, 26 Oct 2012 11:08:21 +1100
> CC: scr287 at att.net; arc5 at mailman.qth.net
> Subject: Re: [ARC5] Unun measurements
> 
> Hello Ken,
> 
> I had the same discussion with Dennis (signing mac) a few posts back.
> 
> Many people on this list don't seem to realise that Baluns, Ununs and Unbals are all specified by their turns ratios. The only exception is when a specific frequency is involved, and then you might say 'a Channel 5 TV balun for 75 : 300 Ohm'. Jerry Sevick wrote the definitive tome in this area, after Guanella.
> 
> 73 de Brian, VK2GCE.