[TowerTalk] The Magic-T

[Chuck Dietz]

Very cool, Steve. Thanks!

Chuck W5PR

On Tue, Feb 9, 2021 at 4:49 PM VE6WZ_Steve <ve6wz at shaw.ca> wrote:

> Today I uploaded a video to my RX series which explains the Magic-T
> combiner.
> I have received a few emails asking me “how do I make the magic-T”? so I
> thought a video would be helpful.
>
> I show the method for winding and building the Magic-T combiner and I
> explain how it is used in phased RX antennas.
> The associated 2:1 impedance transformer is discussed, and I show the
> difference between an isolated and auto-transformer architecture.
>
> I also discuss an error that can be made when building phased RX antennas
> if care is not taken to avoid an unintentional 180 phase shift at one of
> the elements, especially if using home-brew matching boxes.
>
> YouTube video: https://youtu.be/_Bbt1IcC4bk <https://youtu.be/_Bbt1IcC4bk>
>
> 73, de steve ve6wz
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