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1 - 1 Hombrew Air Core Balun - Goran SM2YER

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1 - 1 Hombrew Air Core Balun - Goran SM2YER

1:1 Homebrew Air Core Balun ... The Air-balun is made on a plastic 'No conducting' core,- Use a piece of plastic tubing about 25mm in diameter and about

http://www.zs6vd.bestwebs.co.za/1-1%20Hombrew%20Air%20Core%20Balun%20-%20Goran%20SM2YER.pdf

Date added: October 22, 2012 - Views: 13

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A 9:1 Balun For Your End Fed Antenna - Chiburban Radio Mobileers

Installation of the 9:1 balun/unun: The End-Fed is connected to one terminal of the "high" winding and ... The toroid is a T130-2 Iron Powder core, with 3 x 9 turns ...

http://mobileers.com/main/wp-content/uploads/2013/01/9-to-1-Balun-for-End-Fed-Antenna.pdf

Date added: May 2, 2013 - Views: 28

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Build an All Band HF Air Core 1 : 1 Choke Balun THE UGLY BALUN

G4APL Ugly Choke Balun inline with the GB7CIP Pactor Trapped HF Ground Plane Another Ugly Choke Balun by G4APL Paul, G4APL, has brought together some excellent ...

http://www.146970.com/PDFs/Ugly%20Choke%20Balun.pdf

Date added: October 5, 2012 - Views: 29

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BALUNS – PART I

experimenters, used their coil technology to produce an air wound 4:1 balun. ... About 1990 a commercial 1:1 balun without a core was sold by a manufacturer that is

http://www.w4ymi.com/andy_w4uld/balun-all-part.pdf

Date added: October 27, 2011 - Views: 66

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Air Cored 1-1 Balun for 3.5 30.0 MHz 1.3 - Royal Signals ...

help waterproof the joint. This is very important because any moisture or water inside the Balun or on the trifilar winding can cause tracking especially between ...

https://rsars.files.wordpress.com/2013/01/air-cored-1-1-balun-for-3-5-30-0-mhz-1-31.pdf

Date added: March 1, 2015 - Views: 1

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Build an All Band HF Air Core 1:1 Choke Balun THE UGLY BALUN

\Build an All Band HF Air Core 1:1 Choke Balun THE "UGLY BALUN" A balun's purpose is to allow connecting a balanced, (e.g., a dipole or driven element) to an ...

http://www.ad4c.us/Other%20assorted%20manuals/Conferencias%20en%20la%20rueda%20de%20la%20amistad/Build%20an%20All%20Band%20HF%20Air%20Core.pdf

Date added: April 6, 2012 - Views: 57

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A 4:1 Air-wound Balun

This air-core balun is wound using the following components : • 40mm diameter grey PVC pipe with a length of 9.5cm • 2 end caps 40mm PVC

http://www.m0kwr.com/zips/4%20to%201%20Air%20Wound%20Balun.pdf

Date added: March 1, 2015 - Views: 1

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The Antenna Balun

The Antenna Balun What is this thing ... The magnetic material may be "air", but it is a ... Homemade 1:1 balun using a toroidal core and coaxial cable.

http://laarrl.org/pdfs/upthecoax3.pdf

Date added: March 20, 2014 - Views: 2

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Baluns: Choosing the Correct Balun By Tom, W8JI General Info ...

In the case of a 1:1 ratio current balun, core flux density or "magnetizing stress" on ... but they are very specific cases where the feedline is suspended in air ...

http://static.dxengineering.com/pdf/Choosing%20the%20Correct%20Balun.pdf

Date added: July 18, 2012 - Views: 48

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A Single-Core 4:1 Current Balun of Improved Performance

2 Guanella 4:1 current balun requires that the two 1:1 windings be constructed on separate cores as the voltages across these two windings are now dissimilar.

http://www.home.earthlink.net/~christrask/Trask4to1Balun.pdf

Date added: November 7, 2011 - Views: 49

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HOMEBREW A BALUN - RASON HOME PAGE

HOMEBREW A BALUN Many modern HF transceivers come fully equipped with built in tuners. While these tuners are great for changing bands, ... causing heating of the core.

http://www.rason.org/Projects/balun/balun.pdf

Date added: October 27, 2011 - Views: 32

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CC-BY Picture of CB1 - korpi.biz - smart electronics

Balun 1:12, triple coil ... core 1,4mm. Also standard 0,75 mm2 stranded wire works well; ... C1 = 33pF 1000V @ 600Ω balun CC-BY KORPI control systems www.korpi.biz ...

http://www.korpi.biz/balun%201%20to%2012%20triple.pdf

Date added: December 19, 2012 - Views: 2

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Constructing a 6:1 RF transformer - Index - MARTIN - G8JNJ

the transformer core ... 1.9 112 131 172 150 3.6 207 119 239 200 ... 6_1 Balun.pdf Created Date: 11/2/2009 3:47:58 PM ...

http://www.g8jnj.webs.com/6_1%20Balun.pdf

Date added: February 9, 2012 - Views: 45

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Choosing the Correct Balun - G4NVH Amateur Radio

Often, a 4:1 balun is suggested for Multi-band Dipoles; ... antenna tuner baluns than standard bead or air-core baluns. Conventional or True Windom Antennas

http://g4nvh.net/sitebuildercontent/sitebuilderfiles/choosingthecorrectbalun.pdf

Date added: February 3, 2012 - Views: 42

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Low Power Balun - New Jersey QRP Club

8 W1CG Low Power Balun Kit W1CG Low Power Balun Kit 9 See Picture 4. Continue winding six more, equally spaced turns and adding a 1/8” of heat shrink tubing on the ...

http://www.njqrp.org/balun/Balun%20Manual%20-%20final.pdf

Date added: October 27, 2011 - Views: 31

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COIL / BALUN WINDING HELP SPREADSHEETS By Ed Lawrence, WA5SWD ...

1 COIL / BALUN WINDING HELP SPREADSHEETS By Ed Lawrence, WA5SWD INTRODUCTION ecently, I have been winding and testing air core baluns. The testing is fairly easy ...

http://www.antennex.com/shack/Oct05/coil_help.pdf

Date added: November 26, 2011 - Views: 24

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HF balanced transmitting systems - G4NVH Amateur Radio

The air-core balun is good only for a three or four-to-one frequency range, unless you ... since it is inherently balanced. A 1:1 balun on the transmitter

http://g4nvh.net/sitebuildercontent/sitebuilderfiles/hfbaltransys.pdf

Date added: March 15, 2012 - Views: 32

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SO239 Connector - ARKANSAS ARES RACES

1. 1.9 metres of 1.6mm diam enamelled copper wire 2. Air-core former 25-27.5 mm diam White PVC tube 3. ... AIR CORED 1 Balun for 3.5

http://arkansas-aresraces.org/Antennas/HFAntennas/Air%20Cored%201-1%20HF%20BALUN%20-%20G8ODE%20iss%201.1.pdf

Date added: May 15, 2013 - Views: 6

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Balun Information - Nonstop Systems

and on what diameter are optimum for air core coaxial baluns, and what ... balun 9:1 Back http://www.qsl.net/iz7ath/web/02_brew/11_balun/english/pag11_eng.htm ...

http://www.nonstopsystems.com/radio/pdf-ant/balun-compilation.pdf

Date added: April 10, 2014 - Views: 1

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BALUN ---- WIND THIS WAY ? - K0KS HOME

BALUN ---- WIND THIS WAY ? ... Ohms which is ideal for a 1:4 balun or higher but not for a 1:1 balun and ... Then varnish dip the core several times in polyurethane ...

http://www.k0ks.com/ocfd/BALUN.pdf

Date added: December 2, 2012 - Views: 1

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COAX BALUN 1 : 4, CONSTRUCTION AND USE - XS4ALL

COAX BALUN 1 : 4, CONSTRUCTION AND USE ... BALUN 1 ÷ 4 An air wound balun made with coaxial cable can not saturate because no powdered iron or ferrite core is used.

http://pa0fri.home.xs4all.nl/Ant/Balun/balun-eng2.pdf

Date added: September 22, 2014 - Views: 1

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In Search of the Perfect Stealth Antenna - Western Placer ...

I found an easy way out would be possible to purchase a UnUn Balun with a 52 ohm to 450 Ohm or 9:1 ... The on air results ... 52 Iron core toroid - 66 FT wire 1.8 ...

http://www.wparc.us/presentations/Antenna-UnUn-Article-2.pdf

Date added: September 30, 2012 - Views: 33

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Baluns: Good, Bad & Ugly - Tri-Cities Amateur Radio Club ...

1 Baluns: Good, Bad & Ugly Steve Sterling, WA7DUH ... internet said an air-wound Balun would work good ... Air Core Coax Choke

http://www.w7az.org/sites/default/files/Baluns.pdf

Date added: June 9, 2012 - Views: 22

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Radio FUNdamentals - Nonstop Systems: Consulting Services for ...

Radio FUNdamentals THINGS TO LEARN, PROJECTS TO BUILD, AND GEAR TO USE The Coax Balun ... The air-core coax balun, on the other hand, can be made cheaply and is not

http://www.nonstopsystems.com/radio/pdf-ant/balun-orr.pdf

Date added: March 17, 2014 - Views: 1

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Magnetic Longwire Balun : The Original - dépot d'information ...

• The Magnetic Longwire Balun offers extremely broadband ... and air pollution resistant ... Do NOT use the special wire with a core mentionedfor gas ...

http://www.devill.net/Documentation/ACCESSOIRES/RF%20Systems/MLB.pdf

Date added: February 3, 2012 - Views: 26

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Construction Notes - ARKANSAS ARES RACES

Solder the 1.6mm enamelled copper wires to the SO239 connector to secure the transformer core , ... AIR CORED 1 Balun for 3.5 PARTS REQUIRED 6mm Dia Copper 30.0 MHz

http://arkansas-aresraces.org/Antennas/HFAntennas/balun.pdf

Date added: June 15, 2013 - Views: 5

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Book Excerpt: Sevick’s Transmission Line Transformers ...

The 1:1 balun is well known to radio amateurs and antenna professionals since it is widely used to match coax cables to dipole antennas and to Yagi beams that ...

http://www.edn.com/Pdf/ViewPdf?contentItemId=4432868

Date added: October 26, 2014 - Views: 1

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The design of Ruthroff broadband voltage transformers – M ...

... 1 Ruthroff transformer, ... 1 Ruthroff coiled on air core ... Broadband transformer HF balun Ruthroff voltage balun construction G8JNJ

http://www.we0h.us/Amateur_Radio_stuff/Antenna/Balun-Unun/The-design-of-Ruthroff-broadband-voltage-transformers.pdf

Date added: November 25, 2011 - Views: 5

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Broadband Baluns

... 1 air-core current balun. This balun is rarely encountered nowadays, having been supplanted at HF by more compact broadband balun transformers wound on ...

http://m0kwr.com/zips/Broadband%20Baluns.pdf

Date added: May 2, 2013 - Views: 15

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MARTIN - G8JNJ - Baluns - Chiburban Radio Mobileers

Common designs use either a few turns of coax on an air core, or . bifilar w. indings on an Iron powder, ferrite rod or ring core. ... In the 4:1 balun design, ...

http://mobileers.com/main/wp-content/uploads/2013/01/Balun-Operation-G8JNJ.pdf

Date added: August 20, 2013 - Views: 1

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oparc.net

Make Your Own Balun Orange Park Amateur Radio Club — November 2007 — Dick Bennett K2LJZ 1:1 Air Core - 50 ohm type 1) Use 3/4" PVC Pipe (1.04" actual dia.), #14 ...

http://oparc.net/attachmates/antennas/baluns3_071116.pdf

Date added: February 13, 2014 - Views: 1

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G5RV Antennas BALUNs & Isolation Transformers Hyper Hanger TM by

RadioWavz $75.99 G5RV 102ft. ... ·B14ca 1:4 Current BiFi Air Core $27.95 Great for emergency use. ... A BALUN is a device,

http://radiowavz.us/Catalog.pdf

Date added: March 20, 2012 - Views: 24

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HF 1:1 Choke Balun - Amateur Radio New South Wales

Balun Core and length of RG58 Coax ... your balun when it is hung up in the air. 9. Place the wound balun core back into the box and orient it so that the

http://www.arnsw.org.au/brew_text/Kit_1_to_1_HF_Balun_2007-02-28.pdf

Date added: July 6, 2012 - Views: 15

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ANTENNA SEMINAR 2007 SUPPLEMENTAL MATERIAL DOCUMENT #7

air core balun evaluation procedure the following procedure may be used to compute the electrical parameters of 1:1 air core common mode inductor and coiled coax type ...

http://www.marsregionone.org/Temp/03-15-08-Ant-Seminar-Guide.pdf

Date added: March 9, 2015 - Views: 1

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Long Wire special balun end fed Antenna - www.sidlo.com

Characteristics of air&wire wires: weight colour k 'km black, gray, red ,white, note standard wire diameter Cu core diameter wires n x mm 24}021

http://www.sidlo.com/ok1ufc/katalog_listy/ART07.pdf

Date added: March 17, 2014 - Views: 3

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High Power Multi-band Antenna Optimized for the 75 meter band

High Power Multi-band Antenna Optimized for the 75 meter band ... • 29 MicroHenry air core inductor. • Ai6rw balun. ... 29 MicroHenry air core inductor

https://sites.google.com/a/wheeler.com/www/ai6rw/ai6rw_hp_balun_design/End_Fed_OCF_HP_Design.pdf?attredirects=3

Date added: October 23, 2014 - Views: 1

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Fixed Frequency Cable and Wide-Band Magnetic Baluns

Fixed Frequency Cable and Wide-Band Magnetic Baluns ... 1 balun is the Ruthroff balun ... http://www.dxzone.com/cgi-bin/dir/jump2.cgi?ID=16726 “A Single-Core 4:1 ...

p://www.engr.sjsu.edu

Date added: November 5, 2014 - Views: 25

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RF Transmission Lines and Antennas - PPRAA

They are wound either on a metalized rod or simply has an air core. ... voltage balun or choke balun. They always have a 1:1 ... RF Transmission Lines and Antennas

http://www.ppraa.org/downloads/tech_talk/RF%20Transmission%20Lines%20and%20Antenna%20-%20Part%20Three.pdf

Date added: November 25, 2011 - Views: 17

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PALSTAR

The AT2K also features a precision steatite ceramic core roller inductor ... external 1:1 or 4:1 balun for balanced or wire feed ... 1 2 3 4 5 6 7 8 9 PALSTAR a.

http://www.palstar.com/en/product-manuals/manual_at2k.pdf

Date added: February 19, 2014 - Views: 1

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84 metre vertical loop with wideband 200 Ohm Balun

100 metre terminated vertical loop with wideband 800 Ohm Balun ... consisting of many turns of wire around a ferrite core. ... (either captured from the air or

http://vk2sth.com/DownloadableContentHandler.ashx?mediaId=a5d51bfb-68bd-4481-b8dc-72718261179d

Date added: July 18, 2013 - Views: 1

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Coaxial Transmitting Chokes - Kalahar-NF6P Home

1 Coaxial Transmitting Chokes Jim Brown K9YC ... – Better path for magnetic flux than air ... W2FMI / W1JR Choke Balun #61 core

http://www.davekalahar.com/Misc_Files/NCDXACoaxChokesPPT%5b1%5d.pdf

Date added: November 29, 2014 - Views: 1

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Transmission Lines & Antennas - H.A.R.C. | Halifax Amateur ...

Transmission Lines (Chapter 7) de Fred Archibald VE1FA [email protected] Ideal transmission line: 1. ... Balun may have:-air core-Ferrite toroidal core

http://halifax-arc.org/sites/default/files/TransLines+Antennas.pdf

Date added: January 14, 2014 - Views: 2

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40m through 10m Antenna - MFJ Enterprises

The best balun for this antenna is an air-core choke balun. Avoid using other ... The air wound balun required for this antenna can be constructed by winding the

http://www.mfjenterprises.com/Downloads/index.php?productid=MFJ-1778M&filename=MFJ-1778M.pdf&company=mfj

Date added: March 29, 2014 - Views: 1

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M3KXZ 'no counterpoise' antenna - Index - MARTIN - G8JNJ

the base feeding the ‘zip cord’ via a 1:1 air cored balun which was ... ‘no counterpoise’ antenna gave ... using a series of air-spaced and ferrite core 1:1 ...

http://www.g8jnj.webs.com/M3KXZ%20antenna.pdf

Date added: February 13, 2012 - Views: 14

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Transmission Lines 2014 - H.A.R.C. | Halifax Amateur Radio Club

Transmission Lines (Chapter 7) de Fred Archibald VE1FA [email protected] Ideal transmission line: 1. ... Balun may have:-air core-Ferrite toroidal core

http://halifax-arc.org/sites/default/files/Transmission%20Lines%202014.pdf

Date added: February 1, 2015 - Views: 1

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CONSTRUCTION AND USE of BROADBAND TRANSFORMERS

For example, a 4 . -1 balun transformer is normally used between a 50-ohm unbalanced line and a ... as a balun core for commercial broadcast) ...

http://scwis.home.comcast.net/~scwis/files/transformers.pdf

Date added: November 25, 2011 - Views: 10

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Choosing the Correct Balun

Often, a 4:1 balun is suggested for Multiband Dipoles; however, the best balun to ... effective antenna tuner baluns than standard bead or air-core baluns.

http://ldsradio.ca/pdf/choosing-the-correct-balun.pdf

Date added: May 26, 2013 - Views: 2

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Baluns, Balun Transformers magic-Ts and 180° H

characteristics of baluns, balun transformers, Magic-Ts, and 180° ... air-planes, UAVs and ... a transmission line balun using magnetic core for additional low ...

http://www.highfrequencyelectronics.com/images/HFEpdfs/2014/HFE0914_OE.pdf

Date added: September 22, 2014 - Views: 1

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LECTURE 33 Inductor Design - Colorado State University

1 LECTURE 33 Inductor Design A. Overview of Copper versus Core Loss in Inductors 1. ... limit the maximum energy storage in the core with no air gap. Since the

http://www.engr.colostate.edu/ECE562/98lectures/l33.pdf

Date added: April 18, 2012 - Views: 7