The balun is constructed using a 2.5 inch x 0.5 inch ferite rod
post 20 Sep 2023


Toroid & balun Links

202



Ferrite balun 1.8 - 30Mhz
Take a length of coaxial cable (Coax) about 400mm long

Semplice choke balun 1:1 per QRP
The construction of a small 1: 1 choke balun

Choke balun 1:1
in this choke balun 1kw PEP(160m-10m)is used ferrite core from high voltage transformator from old television TESLA, 2x6 turns of RG8 mini sharmans

Construction of a 4:1 Current-Type Guanella Balun
My 4:1 current-type balun is wound on a FT-114-43 core


A simple impedance matching autotransformer for LF/MF

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
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6 m| 70 cm| 60 m| 80 m| 160 m| 136 khz| 630 m|
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