4 1 balun
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Antennas : Baluns- RF Balun Transformers
- This application note is designed to help the reader understand how balun transformers can be used in today's RF/Microwave communication applications.
[ Hits: 2140 | Votes: 1 | Rating: 3 ]
- Switchable Balun
- A 1:1 to 4:1 switchable balun by N1LO
[ Hits: 3414 | Votes: 2 | Rating: 3 ]
- Magnetic Long Wire UnUn 9:1
- An impedance transformer (9:1) to feed a high impedance long wire (~450 ohm), down to a 50 ohm unbalanced coaxial input.
[ Hits: 1928 | Votes: 4 | Rating: 7 ]
- Build your own HF balun
- EA4EOZ home made baluns
[ Hits: 1643 | Votes: 3 | Rating: 7.33 ]
- HomeBrew 1:1 4:1 9:1 Baluns
- Circuit diagrams to homebrew different baluns by vk2awx
[ Hits: 2328 | Votes: 14 | Rating: 3.65 ]
- How build a 1:40 Balun
- Italian page about a home made a 1 to 40 balun with pictures and measurements on HF bands.
[ Hits: 1313 | Votes: 2 | Rating: 8 ]
- Simple HF Baluns for 50/75 ohm coax
- Show diagrams, winding methods and tables of some 1:1 and 4:1 baluns for 1.8 - 30 MHz suitable for use up to 200W (400W peak) on systems using 50 or 75 ohm coaxial cable input where SWR should not exceed 1.6:1.
[ Hits: 15201 | Votes: 25 | Rating: 4.32 ]
- Guanella 1:1 VHF choke balun
- A model of a Guanella 1:1 VHF choke balun using a FT140-61 core
[ Hits: 3620 | Votes: 9 | Rating: 3.11 ]
- 1 to 1 Current Balun
- A 1:1 current balun by N5ESE
[ Hits: 4826 | Votes: 9 | Rating: 6.13 ]
- Balun for folded dipoles
- A 1:4 balun suitable for folded dipole antennas
[ Hits: 4872 | Votes: 19 | Rating: 3.89 ]
- 4:1 coax balun design
- Online calculator for a 4 to 1 coax cable balun
[ Hits: 7027 | Votes: 26 | Rating: 5.49 ]
- Guanella 4:1 balun
- This article reviews the proposition that a 4:1 current balun in the style of Guanella can be constructed with both pairs of windings sharing a common magnetic circuit.
[ Hits: 3113 | Votes: 2 | Rating: 5.5 ]
- A 4:1 Air-wound Balun
- 40mm diameter grey PVC pipe with a length of 9.5cm
[ Hits: 3107 | Votes: 3 | Rating: 3 ]
- 1:4 Current Balun
- This project is intended to aid in tuning a balanced antenna or feedline that has a high impedance 100-600 ohms
[ Hits: 3414 | Votes: 5 | Rating: 8 ]
- BALUN 4:1 by IQ9BH
- A detailed homebrewing project of a 4 to 1 balun in italian
[ Hits: 2653 | Votes: 1 | Rating: 10 ]
- Balun 4:1
- 4:1 Ruthroff voltage balun design using a T200-2 Toroid core
[ Hits: 1285 | Votes: 3 | Rating: 6 ]
- HF Multiband end fed antennas
- A multiband end-fed antenna that cover 3.5 to 30 Mhz using a 1:64 Balun based on a FT240-43 core
[ Hits: 3722 | Votes: 6 | Rating: 4.67 ]
- Antenne verticale HF.
- A vertical antenna project than can present low swr from 40 to 10 meters by using a balun in french
[ Hits: 2214 | Votes: 0 | Rating: 0 ]
- The W3EDP Antenna
- A wire antenna feeded with an unsymmetrical feed and a 1:4 balun can be tuned from 6 to 80 meters band but can be noisier than a dipole and cause RF in the shack
[ Hits: 794 | Votes: 2 | Rating: 10 ]
- Anteny SP1BKS
- Antenna manufacturer from Poland, produce dipole wire antennas, W3DZZ FD4 Windom and long wires, baluns, dealer for toroids and connectors managed by Leszek Mlynarczyk SP1BKS
[ Hits: 2630 | Votes: 4 | Rating: 3.5 ]
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