Balun

Balun

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• Balun measuements - Why can't you find the specifications for the baluns on the market? The only specifications you'll see are the ratio, the power rating and a bandwidth that is more hoped for than reality.
  [ Hits: 2631 | Votes: 3 | Rating: 4 ]
• When you need a balun - Answer to a common question, Do I have to have a balun in my antenna ?
  [ Hits: 4745 | Votes: 4 | Rating: 5.5 ]
• Balun Construction - The design of Ruthroff broadband voltage transformers
  [ Hits: 2363 | Votes: 10 | Rating: 6.5 ]
• Homebrew Balun Case - Balun case construction, tipically to host toroid cores. Size of case depends on power to handle. By DL5DBM
  [ Hits: 1345 | Votes: 1 | Rating: 10 ]
• Balun construction  ^pop - PDF files describing how to homebrew a 1:2.5 balun
  [ Hits: 26897 | Votes: 41 | Rating: 6.71 ]
• High impedance baluns - Introduction with some background on balun types
  [ Hits: 903 | Votes: 0 | Rating: 0 ]
• Baluns on Log Perodic Antennas - Some antenna manufacturers place baluns at the incorrect location in LPDA arrays. If we consider what the balun does we can see how the mistake occurs.
  [ Hits: 1602 | Votes: 2 | Rating: 8.5 ]
• Building baluns  ^pop - How to easily home-brew baluns even in strange formats 1/1 - 2/1 - 4/1 - 6/1 - 9/1 - 12/1 et 16/1 for bands from 1.8 to 30 (50) MHz in french
  [ Hits: 34484 | Votes: 41 | Rating: 5.49 ]

• A 1:1 Coaxial Balun  ^pop - PDF article about a coaxial 1:1 balun, original concept by I4BBE using a quarter-wavelength and the three-quarter-wave adapting sections with the 50-Ohm coaxial cable by I0QM
  [ Hits: 44472 | Votes: 30 | Rating: 7.22 ]

• ZS6KMD Nescafe 4:1 Balun - Making a 4:1 balun with a nescafe coffee jar lid and a toroid
  [ Hits: 4509 | Votes: 2 | Rating: 4 ]
• Homebrew A 4 To 1 Balun - How to build a to 1 balun by N1HFX
  [ Hits: 12245 | Votes: 12 | Rating: 6.49 ]
• Build a 4:1 Guanella Balun - Step-By-Step Construction of a 4:1 Current-Type Guanella Balun by W1CG
  [ Hits: 11151 | Votes: 19 | Rating: 6.24 ]
• A model of a practical Ruthroff 1:4 balun - The 1:4 balun is of particular interest because it underlies many other configurations, and understanding it helps towards understanding the other Ruthroff balun configurations.
  [ Hits: 4273 | Votes: 7 | Rating: 3.43 ]

• Transmission Lines - About feed lines, parallel lines and coaxial lines, notes on impedance, SWR, Baluns, velocity factor and more by NZART
  [ Hits: 604 | Votes: 1 | Rating: 8 ]

• LU9DPD Windom dipole - A multiband windom dipole antenna for 80 40 20 10 meters, feeded with a home made 4:1 balun, in spanish.
  [ Hits: 5342 | Votes: 5 | Rating: 6 ]

• Putting a Balun and a Tuner Together - Two wire transmission line as a three terminal Device , The W2DU and W7EL models of a choke balun, The effectiveness of a balun. Article by Kevin Schmidt, W9CF
  [ Hits: 3974 | Votes: 5 | Rating: 6.2 ]

• Heinz Bolli AG - Antenna tuners, components, filters and baluns manufacturer based in germany
  [ Hits: 2631 | Votes: 4 | Rating: 7.75 ]

• RippleTech Electronics - Wide bandwidth Trapped Verticals and rotary dipoles, baluns, 40m/80m wire dipoles and accessories from Australia.
  [ Hits: 1260 | Votes: 3 | Rating: 10 ]

• Amidon Baluns - HF baluns by amidon.de with online shop
  [ Hits: 2541 | Votes: 2 | Rating: 5.5 ]
• Amidon Inc. - Ferrite Toroids. Iron Powder Toroids. Ferrite Beads. Split Cores. Cable clamp-ons. Balun Cores. W2FMI Baluns and Ununs. Inductive components for EMI Suppression and RFI Suppresion, power supplies, HAM radio.
  [ Hits: 2082 | Votes: 4 | Rating: 5.75 ]

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