1:1 balun

1:1 balun

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• A Mini-Balun BLT - A mini balun 1:1 4:1 project by WV0H
  [ Hits: 1029 | Votes: 1 | Rating: 10 ]
• The Guanella Balun - An interesting article on guanella baluns that cover several aspects of homebrewing 1:1 and 4:1 current baluns by KN9B
  [ Hits: 820 | Votes: 2 | Rating: 10 ]
• The DC Isolated 1:1 Guanella - The DC Isolated 1:1 Guanella, transmission line transformer by N7ZWY
  [ Hits: 698 | Votes: 0 | Rating: 0 ]
• UniBalun: Lightweight Balun/UnUn PCB for QRP Radios (1:1, 1:4, 1:49) - The UniBalun is a PCB for building a lightweight antenna transformer (Balun) or impedance converter (UnUn) for low power radios. By soldering jumpers and a toroid core, you can create a 1:1, 1:4 Balun or 1:49, 1:9 UnUn. The latest revision (1.2) includes improved pads and supports both BNC and SMA connectors. Build instructions are available for German speakers.
  [ Hits: 62 | Votes: 1 | Rating: 1 ]

• Sorbie Balun and Bottle Choke - Homebrew a 1:1 balun consistsing of 4+4 turns of mini coaxial cable over a large ferrite core by m0pzt
  [ Hits: 703 | Votes: 1 | Rating: 1 ]
• How to build a Coax Balun 1:4 and 1:1 - An air-wound balun made with coaxial cable can not become saturated because no powder iron or ferrite core is present. In this article author explains and compare coax baluns to ferrite baluns with comparison tables and detailed pictures
  [ Hits: 577 | Votes: 8 | Rating: 8.63 ]

• How to construct a multi-band dipole using speaker wire - How to homemade a multi-band HF dipole using 100 meter of speaker wire, 2 strandsm including a homebrew 1:1 choke balun
  [ Hits: 879 | Votes: 1 | Rating: 10 ]
• Make your own 40/80 Dipole - Make your own dipole for 40 and 80 meters band, assembling standard product parts like 40 meter traps, the 1:1 balun and insulators
  [ Hits: 125 | Votes: 0 | Rating: 0 ]

• Do not wind chokes on red toroids! - I happened to stumble across some antenna projects showing common mode chokes 1:1 baluns made of some turns of coax wound on T200-2 iron powder toroids.
  [ Hits: 187 | Votes: 0 | Rating: 0 ]

• Balun_cmr Calculate common-mode impedance - This EXCEL Program Worksheet calculates the common-mode impedance of a 1:1 Guanella (current) balun which is placed at the feed point of a balanced antenna system fed via coax.
  [ Hits: 404 | Votes: 1 | Rating: 10 ]

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