[Amps] Splitter combiner question.

Steve Thompson g8gsq at ic24.net
Tue Aug 2 06:09:15 EDT 2005


Will Matney wrote:
> Since my post the other day, I started investigating the types of splitter and combiners mainly the 0 degree ones. I am more familiar with using the "Magic T" 180 deg type. My question is, I'm interested in learning a little about 3 port splitter/combiners where you can use odd multiples like three sets of push-pull amps. What little I've found shows a rough diagram and no schematics. I think the inductors form a delta (series connection) but what about phasing of the coils and about the resistor connections? If I could find something with a schematic, I would understand what they do. I know there's a certain way the resistors connect plus I'm still not sure on the coil connections. If anyone could help on this, point me to a website about one, or send something by e-mail, it would much be appreciated. A schematic showing the connections, and phasing of the coils, with the resistor connections would be exactly what I'm looking for. I am wanting to do a webpage about these a
nd
>   add it to my website for free public info. The two port 180 and 0 degree types are really the same. I did check the Ma/Com website for anything from Motorola and my Motorola handbooks and really didn't see anything.
There's some information in Motorola AN749.

Steve


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