Antenna Balun and Unun

Balun Construction. Baluns are devices to balance unbalanced systems.

Balun Construction. Baluns are devices that are used to balance unbalanced systems, from here the acronym BalUn. In antenna feed lines, the balun is often used to balance a coax cable and a dipole antenna

Subcategories:

  • 1 to 1 Balun (21)
  • 4 to 1 Balun (25)
    • Trending Links
    • 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, read more basic thory on Ununs and Baluns
    • Balun for HF wire antennas
      Schema of a self made balun used to match randmon wire antennas, mainly for shortwave listening pourposes, in italian
    • 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
    • The 9:1 balun
      Homemade 9:1 antenna balun simple project
    • 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
    • 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
    • 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.
    • 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
    • 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
    • Winding style of toroid chokes and baluns
      Dispels myth about choke balun winding method
    • A 9:1 Balun
      How to DIY a 9:1 balun in french
    • WB6ZQZ 3 in 1 Balun
      Builing a triple ration balun, that match resonant antennas from 9 ohms to 75 ohms with 1.5:1 or less SWR
    • Using Delta Matching on HF Beams
      Using delta match with HF antennas design
    • 1:2.5 Balun for multiband Deltaloop
      A complete documentation with pictures and design of a deltaloop antenna and 1:2.5 balun
    • RF in shack with vertical and longwire antennas
      Why a vertical antenna or longwire antenna might require a balun

    • 1:49 Transformer

      • This 1 49 transformer is used with wires any multiple of 1 2 wavelength This ...
      By: OZ1CX Hits: 2497 | Votes: 25 | Rating: 5.84

    • 600:50 Ohm Baluns

      • Low-cost 600:50 Ohm Baluns by Andrew Corney ZL2BBJ
      Hits: 4147 | Votes: 5 | Rating: 6.2

    • 9:1 Balun and Unun

      • Homebrew a 9:1 transformer and measurement for testing purposes with a miniVNA
      By: ON7IR Hits: 121

    • 9:1 Magnetic Longwire Unun

      • A magnetic longwire unun with a T130-2 Iron Powder core by M0UKD
      By: M0UKD Hits: 1428 | Votes: 7 | Rating: 7.29

    • 9:1 Unun Impedance Transformer

      • A 9 1 unbalanced to unbalanced unun impedance transformer based on a published design by ...
      By: VK1AD Hits: 204 | Votes: 1 | Rating: 4

    • 9:1 Voltage Unun

      • A 9 1 voltage unun using a T 200 2 powdered iron toroid core to ...
      By: VK6YSF Hits: 1512 | Votes: 13 | Rating: 7.15

    • A 9:1 Balun

      • How to DIY a 9:1 balun in french
      Hits: 7642 | Votes: 13 | Rating: 6

    • A balun tutorial design

      • A balun tutorial discussing a number of aspects of the design and construction of baluns ...
      Hits: 4756 | Votes: 6 | Rating: 5.33

    • A better antenna-tuner balun

      • Which balun to use The hybrid balun promises advantages over both voltage and current baluns ...
      Hits: 23124 | Votes: 11 | Rating: 5.83

    • A Mini-Balun BLT

      • A mini balun 1:1 4:1 project by WV0H
      Hits: 1034 | Votes: 1 | Rating: 10

    • A Short Course On Baluns

      • An interesting article on basics about Baluns intoducing the skin effects on radio frequency currents ...
      By: ve7sar Hits: 350 | Votes: 1 | Rating: 10

    • About Baluns

      • General article on Baluns at myantennas com what is a balun and when to use ...
      Hits: 995 | Votes: 2 | Rating: 10

    • Antenna Balun

      • What is an antenna balun why and when do you need it type of transformers ...
      By: laarrl Hits: 1336 | Votes: 1 | Rating: 8

    • Antenna Theory : Baluns

      • This article describe the principles of baluns when referred to devices used to balance unbalanced ...
      By: Antenna Theory Hits: 710 | Votes: 2 | Rating: 9

    • Balun 1:4 UNBAL to BAL

      • How to wind toroids in making baluns using two pieces of 0 5 mm enameled ...
      By: qrpproject Hits: 435 | Votes: 3 | Rating: 4.67

    • Balun and Transformer Core Selection

      • Occasionally errors are made regarding core selection This especially includes baluns where on occasion some ...
      Hits: 3804 | Votes: 3 | Rating: 6

    • Balun Construction

      • The design of Ruthroff broadband voltage transformers
      By: G8JNJ Hits: 2397 | Votes: 11 | Rating: 6

    • Balun construction   pop

      • PDF files describing how to homebrew a 1:2.5 balun
      Hits: 26919 | Votes: 41 | Rating: 6.71

    • Balun designs

      • An introduction to Baluns, what they do and how to design efficinent baluns
      By: IZ0JOJ Hits: 751 | Votes: 1 | Rating: 10

    • Balun for HF wire antennas   pop

      • Schema of a self made balun used to match randmon wire antennas mainly for shortwave ...
      Hits: 36380 | Votes: 23 | Rating: 5.66

    • Balun Information

      • Baluns for HF application resource page
      Hits: 3973 | Votes: 1 | Rating: 10

    • Balun measuements

      • Why can t you find the specifications for the baluns on the market The only ...
      Hits: 2636 | Votes: 3 | Rating: 4

    • Balun Test

      • How test a Balun quality by W8JI
      Hits: 1623

    • Balun Theory   pop

      • The word balun means balanced unbalanced it s used to adapt a balanced device to ...
      By: g4urh Hits: 38209 | Votes: 34 | Rating: 6.59

    • Baluns

      • A complete guide to Baluns and transformers by WK5AJL
      Hits: 1393 | Votes: 6 | Rating: 5

    • Baluns and common mode chokes

      • Voltage baluns versus Current baluns When to use them differences and typical usage in feeding ...
      By: Dorenberg Hits: 409 | Votes: 1 | Rating: 10

    • Baluns and Ferrites Basics

      • Unlock the secrets of RF signal optimization in a presentation covering Balun essentials diverse types ...
      By: VE2AZX Hits: 206 | Votes: 4 | Rating: 8

    • Baluns by Dan N5AR

      • There is considerable confusion about the various types of baluns this article try to make ...
      Hits: 2275

    • Baluns in antenna systems

      • Understanding Baluns This article explores some simple antenna system configurations and the effect of key ...
      Hits: 1108 | Votes: 2 | Rating: 2.5

    • Baluns in theory

      • A complete reference on building baluns
      Hits: 3534 | Votes: 2 | Rating: 10

    • Baluns on Log Periodic Antennas

      • Some antenna manufacturers place baluns at the incorrect location in LPDA arrays or tell you ...
      Hits: 2583 | Votes: 5 | Rating: 4.8

    • Baluns on Log Perodic Antennas

      • Some antenna manufacturers place baluns at the incorrect location in LPDA arrays If we consider ...
      Hits: 1603 | Votes: 2 | Rating: 8.5

    • Baluns: theory and projects   pop

      • All about baluns with photos, projects and instructions, by IZ7ATH
      By: Talino Hits: 54119 | Votes: 48 | Rating: 6.01

    • Basic Balun Theory

      • Baluns are still a mystery to some radio amateurs and the only way to understand ...
      Hits: 1141 | Votes: 2 | Rating: 6.5

    • Broadband Baluns

      • Voltage baluns and choke (or current) baluns.
      Hits: 1103 | Votes: 1 | Rating: 9

    • Build your own HF balun

      • A balun is a MUST for dipoles or similar antennas when they are feed with ...
      By: EA4EOZ Hits: 1649 | Votes: 5 | Rating: 5

    • Build your own HF balun

      • A balun is a MUST for dipoles or similar antennas when they are feed with ...
      By: EA4EOZ Hits: 250 | Votes: 1 | Rating: 10

    • Building baluns   pop

      • How to easily home brew baluns even in strange formats 1 1 2 1 4 ...
      Hits: 34576 | Votes: 42 | Rating: 5.57

    • Choke balun

      • Essentially a choke balun is designed to divorce your antenna from the feed line if ...
      Hits: 578 | Votes: 11 | Rating: 7.27

    • Coax Velocity Factor in Baluns

      • This article explores the role of velocity factor VF in calculating stub lengths for VHF ...
      By: John S. Huggins Hits: 24

    • Coaxial Balun   pop

      • Coaxial balun plan by I0QM
      Hits: 30489 | Votes: 11 | Rating: 5.46

    • Common Mode Currents on Coax

      • These baluns are used to attenuate the common mode current that flows on the outside ...
      By: tomthompson Hits: 179

    • DIY isolation transformers

      • Article about isolation transformer construction to perform optimal impedance matching Winding the FCP isolation transformer ...
      By: K2AV Hits: 322

    • Easy Sleeve Balun

      • A simple and effective sleeve type balun is easily built This Balun can be adapted ...
      By: KG4ZNC Hits: 185 | Votes: 3 | Rating: 6

    • Errante's virtual ground balun

      • Errante's virtual ground Balun, a state-of-the-art high power HF balun family.
      By: Francesco Errante Hits: 879 | Votes: 6 | Rating: 8.83

    • Feeding an End-Fed Antenna

      • End Fed antennas are NOT balanced systems but neither are verticals ground planes discones windoms ...
      Hits: 21521 | Votes: 22 | Rating: 7.33

    • HF Home made Balun   pop

      • A balun is a device that is used at the feedpoint of a balanced antenna ...
      Hits: 39442 | Votes: 30 | Rating: 5.91

    • Homebrew Balun Case

      • Balun case construction tipically to host toroid cores Size of case depends on power to ...
      Hits: 1354 | Votes: 1 | Rating: 10

    • How build a 1:40 Balun

      • Italian page about a home made a 1 to 40 balun with pictures and measurements ...
      Hits: 1321 | Votes: 2 | Rating: 8

    • How to Blow Up Your Balun

      • In this article author examine stresses placed on common mode chokes aka baluns as hams ...
      By: N6BV Hits: 405

    • IZ7ATH Projects

      • Antennas, Keyer, amplifier, transverter, baluns
      By: Talino Hits: 23737 | Votes: 26 | Rating: 6.32

    • LA6PB's split dipole

      • A new method of feeding a dipole with toroids.
      Hits: 4129 | Votes: 4 | Rating: 9.25

    • Les baluns

      • About different baluns types. Samples and schematics for several ratios baluns in french
      Hits: 1670

    • Longwire Balun

      • A long wire balun by ON6MU
      Hits: 1800 | Votes: 3 | Rating: 4

    • Magnetic Long Wire UnUn 9:1

      • An impedance transformer 9 1 to feed a high impedance long wire 450 ohm down ...
      Hits: 1933 | Votes: 4 | Rating: 7

    • Magnetic longwire balun

      • Magnetic longwire baluns 1 9 combined with ground a 1 2 and 1 1 balun ...
      Hits: 4379 | Votes: 9 | Rating: 5.67

    • Magnetic Longwire Baluns   pop

      • Do these things do exactly what they say they do or are they total hogwash ...
      Hits: 29936 | Votes: 21 | Rating: 5.37

    • Magnetic longwire baluns 1:9

      • This Magnetic Longwire Balun MLB makes it possible to efficiently use a coaxial lead in ...
      Hits: 3587 | Votes: 4 | Rating: 6.75

    • Making a good balun

      • The normal way to make a good balun is to wind a core with a ...
      By: OZ1CX Hits: 505

    • Measuring HF Balun Performance

      • If you thought you knew everything about balun performance characteristics there is an important figure ...
      By: W6WO Hits: 274

    • OH7SV Matti Hohtola Ham Projects

      • The most modern QRP transceiver in 2004 Direct Conversion HF Transceiver with DDS LO 50 ...
      By: Matti Hohtola Hits: 20377 | Votes: 36 | Rating: 8.11

    • OH7SV Windom baluns

      • Windom baluns for kilowatt range made with two ferrite toroidal cores amidon ft 140 61 ...
      Hits: 3834 | Votes: 11 | Rating: 7.64

    • QRO baluns

      • Construct your own heavy duty baluns capable of matching your amp s output to various ...
      Hits: 1038

    • QRP Balun

      • Pictures and assembling instructions of a simple qrp balun
      Hits: 2347

    • QRP Balun: A DIY Project

      • DIY project of a QRP Balun Using a high permeability ferrite rod and an old ...
      By: AA5TB Hits: 71

    • Random wire Unun

      • Get all band coverage with a single wire and the icom 703
      Hits: 4095 | Votes: 12 | Rating: 7.58

    • RF Balun Transformers

      • This application note is designed to help the reader understand how balun transformers can be ...
      Hits: 2146 | Votes: 1 | Rating: 3

    • Sleeve Baluns

      • Sleeve baluns are normally used at VHF and higher As a general rule they are ...
      Hits: 1021 | Votes: 1 | Rating: 4

    • Switchable Balun

      • A 1:1 to 4:1 switchable balun by N1LO
      Hits: 3433 | Votes: 2 | Rating: 3

    • Switchable MTFT for Wire-Antennas

      • A switchable Magnetic Transformer for Transmitting for various impedances
      By: Martin, DK7ZB Hits: 1229 | Votes: 94 | Rating: 7.95

    • The 9:1 balun   pop

      • Homemade 9:1 antenna balun simple project
      Hits: 33384 | Votes: 36 | Rating: 6.16

    • The Guanella Balun

      • An interesting article on guanella baluns that cover several aspects of homebrewing 1 1 and ...
      By: KN9B Hits: 830 | Votes: 2 | Rating: 10

    • Transmitting Baluns

      • One of the most popular Ham lore rumors is a balun s performance can be ...
      Hits: 3300 | Votes: 2 | Rating: 9.5
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