4 1 balun

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4 1 balun

79 links - and 1 categories

Antennas : Baluns
  • A Mini-Balun BLT - A mini balun 1:1 4:1 project by WV0H
    [ Hits: 1028 | 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 ]
  • 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: 1518 | 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: 514 | Votes: 11 | Rating: 6.72 ]
Antennas : Baluns : 1 to 1 Balun
  • 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: 702 | Votes: 1 | Rating: 1 ]
  • Double Guanella Balun - Hi-res pictures of a double 4:1 guanella balun by PA1HR
    [ Hits: 908 | Votes: 4 | Rating: 6.25 ]
  • Ferrite Balun for HF - Diagram and sample ferrite balaun for 1.8-30 MHz
    [ Hits: 2070 | Votes: 7 | Rating: 9.14 ]
  • 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 ]
Antennas : Baluns : 4 to 1 balun
  • The 1: 4 Current balun - A 1:4 current balun made with 2 4C65 cores by PA1G in Dutch
    [ Hits: 774 | Votes: 1 | Rating: 2 ]
  • 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 ]
  • Guanella Current 4:1 Balun - A large picture with construction details of a homebrew guanella current balun 4:1
    [ Hits: 1769 | Votes: 14 | Rating: 6.79 ]
  • 4:1 QRO Balun - A home made 4:1 Ferrite QRO Bal-un with a FB 241-61 Type K
    [ Hits: 810 | Votes: 5 | Rating: 6 ]
  • 4 to 1 Balun - 4:1 FB 3061 ROD x 2 balun can handle 125 Watts
    [ Hits: 913 | Votes: 6 | Rating: 6.5 ]
Antennas : CobWeb
  • DIY CobWebb Antenna - A DIY guide to build your own compact multiband HF antenna based on the G3TXQ version using a 1:4 balun. This article includes the full part list and instructions to assembly, including the center plate.
    [ Hits: 1001 | Votes: 6 | Rating: 7.5 ]
Antennas : OCF
  • OCF Dipole - 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: 2558 | Votes: 7 | Rating: 9.43 ]
Antennas : VHF UHF
  • 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: 1357 | Votes: 13 | Rating: 5.31 ]
Antennas : W3EDP
  • W3EDP Antenna Notes - Hints for building a W3EDP-Antenna, includes the construction of the 1:4-balun by DK7ZB
    [ Hits: 930 | Votes: 3 | Rating: 9.33 ]
Antennas : Windom
  • The Coax-Fed Windom - Classical coax-fed, off-center-fed dipole, feeded with a 4:1 Guanella balun
    [ Hits: 1214 | Votes: 2 | Rating: 8.5 ]
Antennas : Wire
  • Cobra Antenna - A folded dipole - A wire dipole antenna for the 80 and 40 meters band obtained by folding elements of a dipole and feeding with a 1:4 balun.
    [ Hits: 1052 | Votes: 5 | Rating: 6.8 ]

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