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A balun using ferrite rod


A balun using ferrite rod

Tips to help you make 1:1 and 4:1 current type Baluns that will save you some cash! You need a ferrite rod or core, a smallish box, suitable connectors some wire either hard drawn copp
post 20 Nov 2019

A balun using ferrite rod

Toroid & balun Links

1:1 Balun for HF wire, M0UKD
1:1 50 ohm balun for use on HF horizontal wire dipoles. It uses an AM radio ferrite rod, with 3x14 turns of wire. 10-14 turns should be good for 2-30MHz. 18SWG enammeled copper wire

1:1 Coaxial Balun
A balun with impedance transformer is required to avoid minimum reflection losses arising from mismatch of impedance. This includes the 180 phase shifter

1:9 Antenna balun, KH6GRT
I had this feeling the 1:4 balun was not presenting the greatest match to the open feed line. After I built and tried this 1:9 balun the autotune antenna tuner was able to

1:9 Antenna Long Wire con Balun 9:1, I6IBE
Vi occorre un antenna semplice e di sicuro funzionamento, in pochi minuti potrete costruirvi una Long Wire (filo lungo) o corto, fate voi