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Doublet Zepp Dipole


Doublet Zepp Dipole

Doublets, and Zepps Zepp is short for Zeppelin and is any resonant antenna end-fed by ladder line. A Double Zepp is a center-fed 1/2 wavelength antenna

post 19 Nov 2024


Toroid & balun Links

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A simple broadband 4:1 Balun Transformer
10 bifilar turns are mount on an Amidon FT-240-61 ferrite core

Balun 4:1 Para varios tipos de antenas
The balun performs this function! that is, it overcomes this inequality and improves signal transfer

UN-UN for longwire antenna
The photo above shows the winding of about 70 turns and of 0.5 mm covered wire

The Dual-Ferrite-Bead 4:1 HF Balun
Ruthroff voltage balun design using a T200-2 Toroid core was selected

Binocular ferrite 9:1 balun RX Transformer
There are lots of good designs for matching transformers for receiving antennas. it's cheap and easy, and very high performance


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