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Zip Cord Transmission Lines and Baluns

Zip Cord Transmission Lines and Baluns
    A commercially available 4:1 voltage balun, was originally used for the transition between the 50 ohm coaxial cable and the balanced speaker wire transmission line
post 02 Jan 2025



Toroid & balun Links

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1:1 Balun for HF wire
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

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

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


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Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice

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Amateur radio kits by Kanga US

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Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters