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Balun

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    • Baluns: theory and projects - All about baluns with photos, projects and instructions, by IZ7ATH
    • HF Home made Balun - A balun is a device that is used at the feedpoint of a balanced antenna when an unbalanced feedline is desired to feed the antenna. Balun is a contraction for BALanced to UNbalanced.
    • Balun Theory - The word balun means balanced-unbalanced: it's used to adapt a balanced device to an unbalanced one
    • Balun for HF wire antennas - Schema of a self made balun used to match randmon wire antennas, mainly for shortwave listening pourposes, in italian
    • The 9:1 balun - Antenna special on hard-core-dx.com
    • Building baluns - 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
    • Coaxial Balun - Coaxial balun plan by I0QM
    • Magnetic Longwire Baluns - Do these things do exactly what they say they do, or are they total hogwash? - Patrick lifts the lid on the MLB
    • Balun construction - PDF files describing how to homebrew a 1:2.5 balun
    • Antennas basics - An antenna study guide by NZART, cover basic topics like dipoles, wave lenght calculation, baluns, beams, dummy loads, and measurements.
    • Choke balun - Essentially, a choke balun is designed to 'divorce' your antenna from the feed line. if your feed line is coaxial cable then you don't want it to be part of your antenna. you want to be able to deliver all your power to the radiator itself, i.e. 'the antenna'. a choke balun does this admirably
    • IZ7ATH Projects - Antennas, Keyer, amplifier, transverter, baluns
    • A better antenna-tuner balun - Which balun to use? The hybrid balun promises advantages over both voltage and current baluns by ZS1AN
    • GW0VMR construction ideas - selection of construction ideas from Patrick, GW0VMR, includes ATU, Baluns theory
    • OH7SV Matti Hohtola Ham Projects - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
    • 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.
    • Longwire Antenna Balun Project - Home brew a long wire balun
    • 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.
    • Antenna Baluns: What they are - Baluns what do they do, in a pdf file by W7EL
    • DIY Basic Electronics and Antennas - DIY Basic Electronic Theory, Basic Antenna Theory with Antennas built from common materials. What does SWR really mean. Baluns from transmission line.
    Alphabetical
        Result Page:  [<<] 1 2 3 [>>]
    • Choke balun - Essentially, a choke balun is designed to 'divorce' your antenna from the feed line. if your feed line is coaxial cable then you don't want it to be part of your antenna. you want to be able to deliver all your power to the radiator itself, i.e. 'the antenna'. a choke balun does this admirably
      [ Hits: 22751 | Votes: 11 | Rating: 7.27 ]
    • Coax Balun - A very simple coax balun
      [ Hits: 1712 | Votes: 4 | Rating: 3.00 ]
    • Coiled Choke Balun for HF - A very practical Balun for HF aerial work is the choke type. It reduces RFI to and from the feeder & at next to no cost or loss.
      [ Hits: 1776 | Votes: 0 | Rating: 0.00 ]
    • Core Baluns - About core baluns, measurementes, basic theory and calculations
      [ Hits: 795 | Votes: 0 | Rating: 0.00 ]
    • Creating a simple, easy to make balun Priority listing - Detailed information on several different balun types which are easy to build at home by G0KSC
      [ Hits: 1460 | Votes: 1 | Rating: 1.00 ]
    • Design & Performance of a Choke Balun - Design & Performance of a Choke Balun and Balanced Transmission Line by G4FGQ
      [ Hits: 1032 | Votes: 3 | Rating: 4.33 ]
    • DIY Basic Electronics and Antennas - DIY Basic Electronic Theory, Basic Antenna Theory with Antennas built from common materials. What does SWR really mean. Baluns from transmission line.
      [ Hits: 10951 | Votes: 14 | Rating: 8.13 ]
    • EA6VQ - Open wire feeding and baluns - Discussion about open wire feeding and baluns took place in the Moon-Net reflector.
      [ Hits: 3690 | Votes: 3 | Rating: 7.00 ]
    • Errante's virtual ground balun - Errante's virtual ground Balun, a state-of-the-art high power HF balun family.
      [ Hits: 693 | Votes: 5 | Rating: 8.60 ]
    • 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: 17945 | Votes: 19 | Rating: 7.69 ]
    • Ferite Balus 1.8 - 30 Mhz  updated - 1:1 and 4:1 baluns diagrams
      [ Hits: 1243 | Votes: 6 | Rating: 4.00 ]
    • GW0VMR construction ideas - selection of construction ideas from Patrick, GW0VMR, includes ATU, Baluns theory
      [ Hits: 20473 | Votes: 12 | Rating: 7.84 ]
    • High impedance baluns - Introduction with some background on balun types
      [ Hits: 692 | Votes: 0 | Rating: 0.00 ]
    • Homebrew Balun Case - Balun case construction, tipically to host toroid cores. Size of case depends on power to handle. By DL5DBM
      [ Hits: 938 | Votes: 1 | Rating: 10.00 ]
    • Homemade HF Antenna Balun - AA5TB homemade balun article
      [ Hits: 1567 | Votes: 1 | Rating: 10.00 ]
    • How build a 1:40 Balun - Italian page about a home made a 1 to 40 balun with pictures and measurements on HF bands.
      [ Hits: 503 | Votes: 1 | Rating: 8.00 ]
    • How to Make a Great 9:1 RX Transformer - There are lots of good designs for matching transformers for receiving antennas. Make it yourself it's cheap and easy, and very high performance. This is the design used in the TRX-9 transformers.
      [ Hits: 2709 | Votes: 0 | Rating: 0.00 ]
    • Inside view of a Magnetic Loop Balun - Inside view of the RF Systems magnetic longwire Bbalun
      [ Hits: 645 | Votes: 0 | Rating: 0.00 ]
    • Installing a balun - The correct way to install a lowngwire antenna with a balun
      [ Hits: 5793 | Votes: 2 | Rating: 5.50 ]
    • IZ7ATH Projects - Antennas, Keyer, amplifier, transverter, baluns
      [ Hits: 22496 | Votes: 25 | Rating: 6.17 ]
    • LA6PB's split dipole - A new method of feeding a dipole with toroids.
      [ Hits: 3521 | Votes: 4 | Rating: 9.25 ]
    • Les baluns - About different baluns types. Samples and schematics for several ratios baluns in french
      [ Hits: 1363 | Votes: 0 | Rating: 0.00 ]
    • Longwire Antenna Balun Project - Home brew a long wire balun
      [ Hits: 16340 | Votes: 24 | Rating: 7.09 ]
    • Longwire Balun - A long wire balun by ON6MU
      [ Hits: 1313 | Votes: 2 | Rating: 1.00 ]
    • LU9DPD Daniel - Homebrew, antenas, balunes, expediciones, circuitos, electrónica, torres, fotos y relatos, todo referente a radioafición, radioaficionados y radioamateur
      [ Hits: 2961 | Votes: 2 | Rating: 9.50 ]
    • Magnetic Long Wire UnUn 9:1 - An impedance transformer (9:1) to feed a high impedance long wire (~450 ohm), down to a 50 ohm unbalanced coaxial input.
      [ Hits: 1539 | Votes: 2 | Rating: 4.50 ]
    • Magnetic longwire balun - Magnetic longwire baluns 1:9 combined with ground, a 1:2 and 1:1 balun connections by ON6MU
      [ Hits: 3905 | Votes: 8 | Rating: 5.13 ]
    • Magnetic longwire baluns 1:9 - 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: 3134 | Votes: 4 | Rating: 6.75 ]
    • Making a simple current balun - Baluns using ferrite rod and ferrite ring by M0SCG
      [ Hits: 1050 | Votes: 1 | Rating: 10.00 ]
    • OH7SV Matti Hohtola Ham Projects - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
      [ Hits: 18926 | Votes: 24 | Rating: 8.17 ]
    • OH7SV Windom baluns  updated - Windom baluns for kilowatt range made with two ferrite toroidal cores amidon ft-140-61 and another schema with two ferrite rods
      [ Hits: 3006 | Votes: 7 | Rating: 9.00 ]
    • 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: 3684 | Votes: 5 | Rating: 6.20 ]
    • QRO baluns - Construct your own heavy-duty baluns capable of matching your amp’s output to various antennas.
      [ Hits: 724 | Votes: 0 | Rating: 0.00 ]
    • QRP Balun - Pictures and assembling instructions of a simple qrp balun
      [ Hits: 2066 | Votes: 0 | Rating: 0.00 ]
    • 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: 2656 | Votes: 3 | Rating: 7.00 ]
    • 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: 513 | Votes: 1 | Rating: 4.00 ]
    • Random wire Unun - Get all band coverage with a single wire and the icom 703
      [ Hits: 3471 | Votes: 9 | Rating: 8.56 ]
    • 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: 1735 | Votes: 1 | Rating: 3.00 ]
    • RF in shack with vertical and longwire antennas - Why a vertical antenna or longwire antenna might require a balun
      [ Hits: 4382 | Votes: 3 | Rating: 6.00 ]
    • Simple 75 ohm Coax Balun - A simple current balun for the FM broadcast band
      [ Hits: 2007 | Votes: 6 | Rating: 3.17 ]
    • 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: 11044 | Votes: 15 | Rating: 4.40 ]
    • Sleeve Baluns - Sleeve baluns are normally used at VHF and higher. As a general rule, they are not practical at HF. The balun can be inverted and used as a skirt to form part of the antenna element
      [ Hits: 778 | Votes: 1 | Rating: 4.00 ]
    • Some Aspects of the Balun Problem - Why all the mystery surrounding baluns ? To use or not to use baluns
      [ Hits: 609 | Votes: 0 | Rating: 0.00 ]
    • Switchable Balun - A 1:1 to 4:1 switchable balun by N1LO
      [ Hits: 2667 | Votes: 2 | Rating: 3.00 ]
    • TH6 balun replacement project - VE7AVV replace balun on a TH6 antenna
      [ Hits: 975 | Votes: 0 | Rating: 0.00 ]
      Result Page:  [<<] 1 2 3 [>>]
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