balun 9 1

balun 9 1

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• 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: 2330 | Votes: 14 | Rating: 3.65 ]
• 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 ]
• 9:1 Magnetic Longwire Unun - A magnetic longwire unun with a T130-2 Iron Powder core by M0UKD
  [ Hits: 1424 | Votes: 7 | Rating: 7.29 ]
• Build your own HF balun - A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
  [ Hits: 1639 | Votes: 5 | Rating: 5 ]
• When and Where to Use Baluns - Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and to transpose from ladder line feeding a multi-band antenna to the unbalanced input of an antenna tuner.
  [ Hits: 1522 | Votes: 9 | Rating: 7 ]
• 50:450 Ohm (9:1) Balun for vertical antennas - A page describing how to home made a custom 9:1 balun for a common portable wire antenna. The author suggest to use 4C65 or FT140-61 toroids instead of the common Amidon T200-2
  [ Hits: 516 | Votes: 11 | Rating: 6.72 ]
• Build your own HF balun - A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cable. From the RF point of view, the shield can be modeled as two conductors, the internal shield (the real shield, this is, ground) and the external shield, who is really far to be ground. In this way, your dipole has 3 arms, the two from the dipole and the coaxial cable shield (external face)
  [ Hits: 248 | Votes: 1 | Rating: 10 ]

• 1 to 1 Current Balun - A 1:1 current balun by N5ESE
  [ Hits: 4830 | Votes: 9 | Rating: 6.13 ]
• Broad band 1:1 current balun - A 1:1 current balun that offeres a almost flat swr curve from 1 to 30 MHz
  [ Hits: 2080 | Votes: 5 | Rating: 8.4 ]

• A 4:1 Air-wound Balun - 40mm diameter grey PVC pipe with a length of 9.5cm
  [ Hits: 3110 | Votes: 3 | Rating: 3 ]
• BALUN 4:1 by IQ9BH - A detailed homebrewing project of a 4 to 1 balun in italian
  [ Hits: 2653 | Votes: 1 | Rating: 10 ]
• High Power 4:1 Balun - High power 4:1 air core balun for multi band fan dipole antenna
  [ Hits: 1610 | Votes: 4 | Rating: 2.75 ]
• 4 to 1 Balun - 4:1 FB 3061 ROD x 2 balun can handle 125 Watts
  [ Hits: 915 | Votes: 6 | Rating: 6.5 ]

• 20m end-fed Antenna - An end-fed halfwave antenna for 20 meters band with balun pictures and description by PD7MAA
  [ Hits: 1668 | Votes: 2 | Rating: 1 ]

• 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: 3723 | Votes: 6 | Rating: 4.67 ]

• OCF Dipole - ᥿9;This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
  [ Hits: 2559 | Votes: 7 | Rating: 9.43 ]

• DIY Dual Band 144-440 MHz vertical antenna - A homemade VHF/UHF vertical antenna made essentially with RG58 coax cable, with a 9 turns choke balun to prevent the shield acting as a RF Radiator.
  [ Hits: 1376 | Votes: 14 | Rating: 5.5 ]

• 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: 797 | Votes: 2 | Rating: 10 ]

• Cushcraft A3S Balun Fix - Cushcraft A3S HF antenna 1:1 balun repair.
  [ Hits: 879 | Votes: 1 | Rating: 10 ]

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