Balun

Balun

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• W1ZY 40 meter moxon antenna - W1ZY's 40 Meter MOXON is the product of 9 months of experimentation. The final array is reversible and constructed from No. 12 insulated wire fed through two RF current baluns
  [ Hits: 3344 | Votes: 2 | Rating: 6 ]

• TH6 balun replacement project - VE7AVV replace balun on a TH6 antenna
  [ Hits: 1195 | Votes: 1 | Rating: 10 ]
• OH7SV Windom baluns - Windom baluns for kilowatt range made with two ferrite toroidal cores amidon ft-140-61 and another schema with two ferrite rods
  [ Hits: 3834 | Votes: 11 | Rating: 7.64 ]
• QRP Balun - Pictures and assembling instructions of a simple qrp balun
  [ Hits: 2343 | Votes: 0 | Rating: 0 ]
• 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: 2141 | Votes: 1 | Rating: 3 ]
• Magnetic longwire balun - Magnetic longwire baluns 1:9 combined with ground, a 1:2 and 1:1 balun connections by ON6MU
  [ Hits: 4375 | Votes: 9 | Rating: 5.67 ]
• QRP Magnetic longwire balun with VHF-splitter - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.
  [ Hits: 3085 | Votes: 3 | Rating: 7 ]

• A Cost Effective Current-mode 1:1 Balun - A cost effective current-mode 1:1 balun can be constructed from a length of coax and a rod typically used for a broadcast antenna loop-stick, some electrical tape, cable ties, a length of PVC water-pipe and some connectors.
  [ Hits: 9193 | Votes: 4 | Rating: 7.25 ]
• Low cost 1:1 balun - A balun don't depend on use of ferrite beads, but use steel wool to attenuate any RF on the outer braid
  [ Hits: 6904 | Votes: 8 | Rating: 4.88 ]
• 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: 15208 | Votes: 25 | Rating: 4.32 ]
• Practical Guanella 1:1 balun - This article proposes a lossy transmission line model of a practical Guanella 1:1 balun that is effective for all frequencies within and immediately adjacent to the pass band
  [ Hits: 3618 | Votes: 3 | Rating: 3.33 ]
• 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 ]

• The Guanella 1:4 balun - A cost effective current-mode 1:4 balun can be constructed from two lengths of coax, two ferrite rods, some electrical tape, cable ties, a length of PVC water-pipe and some connectors. This form of 1:4 current-mode balun is named after G. Guanella.
  [ Hits: 3636 | Votes: 1 | Rating: 10 ]
• Low Power 4:1 Balun - Build a Low Power 4:1 Balun , by Charles Greene, W1CG with full-color, full-resolution graphics from the pages of QRP Homebrewer
  [ Hits: 3961 | Votes: 1 | Rating: 5 ]
• A 4:1 Balun - A single-core 4:1 current balun of improved performance by Chris Trask N7ZWY PDF file
  [ Hits: 21828 | Votes: 13 | Rating: 4.3 ]
• Balun for folded dipoles - A 1:4 balun suitable for folded dipole antennas
  [ Hits: 4874 | Votes: 19 | Rating: 3.89 ]

• Feeding an End-Fed Antenna - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.
  [ Hits: 21455 | Votes: 22 | Rating: 7.33 ]

• W3HH Multiband antenna - A french pdf file that explain how to build a T2FD antenna in all its parts including balun
  [ Hits: 2290 | Votes: 3 | Rating: 4.67 ]

• Windom Antenna with 4:1 balun - The Windom is an Off-center wire multiband Antenna. The old version was fed just by a single-wire connected on 1/3 of antenna's overall length or with an open-line feeder (later versions). Here is another model with coaxial feeder, which is compatible with Solid States - 50 Ohm output transceivers .
  [ Hits: 8027 | Votes: 9 | Rating: 6.89 ]

• CoaxMan - The Coaxman by Clear Signal Products, Inc. features a complete Wireman line of coaxial cable and antenna wire. Antenna wire, baluns, coax connectors, insulators, ladder line, magnet wire, rope.
  [ Hits: 1861 | Votes: 2 | Rating: 4.5 ]

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