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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
Coaxial Balun
- Coaxial balun plan by I0QM
The 9:1 balun
- Antenna special on hard-core-dx.com
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
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
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.
IZ7ATH Projects
- Antennas, Keyer, amplifier, transverter, baluns
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
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
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.
Antenna Baluns: What they are
- Baluns what do they do, in a pdf file by W7EL
Alphabetical:
A better antenna-tuner balun
pop
- Which balun to use? The hybrid balun promises
advantages over both voltage and current baluns by ZS1AN
Antennas basics
pop
- An antenna study guide by NZART, cover basic topics like dipoles, wave lenght calculation, baluns, beams, dummy loads, and measurements.
Balun construction
pop
- PDF files describing how to homebrew a 1:2.5 balun
Balun for HF wire antennas
pop
- Schema of a self made balun used to match randmon wire antennas, mainly for shortwave listening pourposes, in italian
Balun Theory
pop
- The word balun means balanced-unbalanced: it's used to adapt a balanced device to an unbalanced one
Baluns: theory and projects
pop
- All about baluns with photos, projects and instructions, by IZ7ATH
Building baluns
pop
- 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
Choke balun
pop
- 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
Coaxial Balun
pop
- Coaxial balun plan by I0QM
Feeding an End-Fed Antenna
pop
- 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.
GW0VMR construction ideas
pop
- selection of construction ideas from Patrick, GW0VMR, includes ATU, Baluns theory
HF Home made Balun
pop
- 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.
IZ7ATH Projects
pop
- Antennas, Keyer, amplifier, transverter, baluns
Longwire Antenna Balun Project
pop
- Home brew a long wire balun
Magnetic Longwire Baluns
pop
- Do these things do exactly what they say they do, or are they total hogwash? - Patrick lifts the lid on the MLB
OH7SV Matti Hohtola Ham Projects
pop
- 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
The 9:1 balun
pop
- Antenna special on hard-core-dx.com
1:6 Balun for HF
- PD2HFE project of a 1:6 Balun for HF Bands using a T-200 toroid core
1:6 Balun for the HF bands
- 11 wdg bifilar on Amidon T 200-2 Toroid core
600:50 Ohm Baluns
- Low-cost 600:50 Ohm Baluns by Andrew Corney ZL2BBJ
A 9:1 Balun
- How to DIY a 9:1 balun in french
A balun tutorial design
- A balun tutorial discussing a number of aspects of the design and construction of baluns for the amateur radio design of your next electronic project.
About baluns
- General information about baluns, aspects of the balun problem
About Baluns
- General article on Baluns at myantennas.com, what is a balun and when to use baluns
Another Ugly Choke Balun
- A home made balun build using a short length of 4 inch drain pipe and 18 foot of RG58 by G4APL
Antenna Baluns
- ON9CVD antenna baluns general informations.
Antenna Baluns: What they are
- Baluns what do they do, in a pdf file by W7EL
Antenna Components
- Current Balun, Coax Sheath Current Choke, Inductor and insulators
Balun and Transformer Core Selection
- Occasionally errors are made regarding core selection. This especially includes baluns, where on occasion some very strange ideas surface.
Balun compilation
- Collection of many home made baluns
Balun Construction
- Construction and use of broadband transformers
Balun construction - problems with iron cores
- Lots of information and measurements relating to HF baluns and transformers constructed using Iron Powder cores
Balun Information
- Baluns for HF application resource page
Balun measuements
- Why can't you find the specifications for the baluns on the market? The only specifications you'll see are the ratio, the power rating and a bandwidth that is more hoped for than reality.
Balun Test
- How test a Balun quality by W8JI
Baluns - by ON9CVD
- The simple 1 : 1 balun is being know in a variety of constructions. A dedicated chapter seems appropriate
Baluns and acceptable power
- Baluns / Ununs design and acceptable power
Baluns and Transformers
- Notes on homebrewing baluns and transformers by G8JNJ
Baluns Articles Collection
- A PDF file with a compilation of articles about baluns taken from differen sources
Baluns by Dan N5AR
- There is considerable confusion about the various types of baluns, this article try to make it clear.
Baluns in antenna systems
- Understanding Baluns. This article explores some simple antenna system configurations and the effect of key system components, connections and dimensions on feed line common mode current.
Baluns in theory
- A complete reference on building baluns
Baluns on Log Periodic Antennas
- Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.
Baluns on Log Perodic Antennas
- Some antenna manufacturers place baluns at the incorrect location in LPDA arrays. If we consider what the balun does we can see how the mistake occurs.
Baluns: What they do and how they do it
- Article on Baluns and how they works, by W7EL
Basic Balun Theory
- Baluns are still a mystery to some radio amateurs and the only way to understand them is to learn what they are and how to use them.
Broadband Baluns
- Voltage baluns and choke (or current) baluns.
Build your own HF balun
- EA4EOZ home made baluns
Building a sextuple ratio balun
- Article on homebrew a six separate impedance settings out of a triple radio balun
Coax Balun
- A very simple coax balun
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