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Build an All Band HF Air Core 1:1 Choke Balun...

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Build an All Band HF Air Core 1:1 Choke 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: 88

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1-1 Hombrew Air Core Balun - Goran SM2YER

1:1 Homebrew Air Core Balun – SM2YER Goran I made this 'Air Core' balun for use with a singe band portable 80M dipole . The manufacturing is quite simple and the

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

Date added: October 22, 2012 - Views: 37

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When is a Balun, not a balun, when it is an UNUN

... page 1 When is a Balun, not a balun, ... core) in a current balun. ... the solution is the humble Balun air cored choke.

http://www.philipstorr.id.au/radio/technical/Balun%20and%20UnUn.pdf

Date added: December 10, 2013 - Views: 20

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

A 9:1 Balun For Your End Fed Antenna ... Construction of the 9:1 balun/unun: I used an old plastic box and a type 75 toroid core. My windings, ...

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

Date added: November 2, 2015 - Views: 16

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Air Cored 1-1 Balun for 3.5 30.0 MHz 1.3

Air Cored 1:1 Balun for 3.5 – 30.0 MHz . Graphics by G8ODE 23-11- 2110 iss 1.3 . Balun Construction Notes. 1. Ensure that the three wires are the same length on the ...

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: 35

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

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

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

Date added: October 5, 2012 - Views: 38

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balun%20construction.pdf - g8jnj.webs.com

Balun. When configured as a Balun the ‘earth’ point is at the centre of the transformer. The load ... 1 Ruthroff coiled on air core Yellow trace ...

http://g8jnj.webs.com/Balun%20construction.pdf

Date added: November 25, 2011 - Views: 28

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Choosing the Correct Balun - DX Engineering

Choosing the Correct Balun - Page 1 of 22 ... In the case of a 1:1 ratio current balun, core flux density or ... standard bead or air-core ...

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

Date added: July 18, 2012 - Views: 102

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The Antenna Balun - laarrl.org

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: 15

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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: 24

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Radio FUNdamentals - Nonstop Systems

Radio FUNdamentals THINGS TO LEARN, ... Jerry mentions air-core coax baluns in ... the air-core balun is larger and more bulky than the

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

Date added: March 17, 2014 - Views: 25

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

... 1 Current Balun of Improved Performance by ... 1 Voltage Balun another [8, 9], ... 1 Current Balun Using a Single Core

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

Date added: November 7, 2011 - Views: 84

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HOMEBREW A BALUN - RASON

HOMEBREW A BALUN Many modern HF ... the 4 to 1 balun. ... causing heating of the core. Toroids of this type are available from Palomar Engineers, ...

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

Date added: October 27, 2011 - Views: 62

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Ferrites and Baluns - North Shore Amateur Radio...

FERRITES, BEADS and BALUNS by ... Range from µ = 1 (air) ... Why use a Balun ? Earth 1 A 1 A 1 A 0.9 A 0.1 A 0.1 A 1 A RF AMP 1 A 1 A 1 A 0.1 A

http://www.nsarc.ca/hf/ferrites_baluns.pdf

Date added: May 10, 2012 - Views: 28

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COIL / BALUN WINDING HELP SPREADSHEETS By Ed...

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: 49

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

1 Baluns: Good, Bad & Ugly Steve Sterling, WA7DUH ... Air Core Coax Choke ... l Ref 1- Some Aspects of the Balun Problem; ...

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

Date added: June 9, 2012 - Views: 57

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A 4:1 Air-wound Balun - ARI Fidenza

... 2009February 1, 2009 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

http://arifidenza.it/Public/data/iw0bim/2009228173047_BALUN%204-1%20SU%20PVC.pdf

Date added: January 24, 2016 - Views: 2

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Constructing a 6:1 RF transformer - Webs

Constructing a 6:1 RF transformer ... of the core, and that the final ... 1.9 112 131 172 150 3.6 207 119 239 200 7.1 325 0 325 260 10.1 ...

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

Date added: February 9, 2012 - Views: 77

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Choosing the Correct Balun - WestValleyARC

Choosing the Correct Balun By Tom, W8JI General Info on Baluns Balun is an acronym for BALanced to UNbalanced, which describes certain circuit behavior in a ...

http://westvalleyarc.org/images/Antennas/Balun%20Selection%20By%20Dx%20Eng.pdf

Date added: April 1, 2015 - Views: 18

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HF 1:1 Choke Balun - arnsw.org.au

Small cable ties or electrical tape to secure the coax to the balun core. Instructions 1. ... your balun when it is hung up in the air. 9. Place the wound balun core ...

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

Date added: July 6, 2012 - Views: 35

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Low Power Balun - s9a40520c8a545975.jimcontent.com

the performance of the single core 4:1 cur-rent balun is not as good as the two-core current balun. ... The temperature rise of the balun in air is

http://s9a40520c8a545975.jimcontent.com/download/version/1287010806/module/4238453451/name/Balun%2520Manual%2520-%2520final.pdf

Date added: April 24, 2016 - Views: 1

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Designing Wide-band Transformers for HF and VHF...

Designing Wide-band Transformers for HF and ... primarily in air, ... transformer core. The 1:1 balun transformer of Fig 8

http://kambing.ui.ac.id/onnopurbo/orari-diklat/teknik/balun/qx3Trask.pdf

Date added: December 30, 2011 - Views: 14

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Magnetic Longwire Balun : The Original -...

Magnetic Longwire Balun : ... Do NOT use the special wire with a core mentionedfor gas -free ... is listening in the AM mode in the frequency ranges 1.9 to 2.8 and

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

Date added: February 3, 2012 - Views: 35

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BALUN ---- WIND THIS WAY

Ohms which is ideal for a 1:4 balun or higher but not ... Then varnish dip the core several times in ... aerodynamic when hanging way up in the air. Title: BALUN ...

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

Date added: December 2, 2012 - Views: 21

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Book Excerpt: Sevick’s Transmission Line...

... to approach the isolation properties of the balun shown on the left in Figure 9-5, an air core balun ... Sevick-s-Transmission-Line-Transformers--Chapter-9 ...

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

Date added: October 26, 2014 - Views: 1

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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. The system consists of two equal lengths

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

Date added: April 23, 2016 - Views: 1

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In Search of the Perfect Stealth Antenna - Amateur...

In Search of the Perfect Stealth ... Could this be the answer to the perfect stealth antenna? The UnUn Balun ... on a type 52 Iron core toroid - 66 FT wire 1.8 Mhz ...

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

Date added: September 30, 2012 - Views: 55

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Step-By-Step Construction of a 4:1 Current-Type...

Step-By-Step Construction of a 4:1 Current-Type (Guanella) Balun ... After 1 turn, clamp the wire to the core with another cable tie. Finish with 7 total turns

http://www.qsl.net/vu2msy/homebrew/qrp_4-1_guanella-type_balun.pdf

Date added: June 12, 2013 - Views: 24

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G5RV Antennas BALUNs & Isolation Transformers...

B11a 1:1 Voltage Air Core Trifi $19.95 B11i 1:1 Isolation Transformer $29.95 B14va 1:4 Voltage Air ... with ISO BALUN $75 Made with RadioWavz Ultra Durable ...

http://radiowavz.us/Catalog.pdf

Date added: March 20, 2012 - Views: 25

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ANTENNA SEMINAR 2007 SUPPLEMENTAL MATERIAL...

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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CobWebb Antenna for the 14, 18, 21, 24 and 28 MHz...

CobWebb Antenna for the 14, 18, 21, 24 ... (via an in built air core choke balun), ... Others have no balun at all, ...

http://www.9h1mrl.org/Adverts/9h5ne.pdf

Date added: February 14, 2012 - Views: 2

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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: 18

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Fixed Frequency Cable and Wide-Band Magnetic ...

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: 320

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Coaxial Transmitting Chokes - Audio Systems Group

1 Coaxial Transmitting Chokes Jim Brown K9YC ... air – Better path for ... Bifilar Choke Balun on low loss core

http://audiosystemsgroup.com/NCDXACoaxChokesPPT.pdf

Date added: December 29, 2011 - Views: 19

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Open Wire Feed Line— A Second Look - N3UJJ

... a 100 foot long dipole, 40 feet in the air, was ... the additional losses due to SWR remain remarkably low for SWR values up to 9:1. ... the balun core will ...

http://n3ujj.com/manuals/Open%20Wire%20A%20Second%20Look.pdf

Date added: September 18, 2012 - Views: 9

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MARTIN - G8JNJ - Baluns

Common designs use either a few turns of coax on an air core ... upon the type of core material. MARTIN - G8JNJ. ... a 1:1 current balun on a T240-K core ...

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

Date added: August 20, 2013 - Views: 1

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Transmission Lines & Antennas - Amateur radio

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: 12

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Baluns, Balun Transformers magic-Ts and 180° H

... and c) a transmission line balun using magnetic core for additional low frequency ... Type N & 4.1/9.5 (mini-DIN ... air-line couplers can handle up to 250W and ...

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

Date added: September 22, 2014 - Views: 1

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See inside for these New MFJ Products! - QSL.net

See inside for these New MFJ Products! ... Roller Inductor has an air core that can’t ... core 4:1 balun wound with TeflonR

http://www.qsl.net/4/4x6on/RADIO%20MANUALS/MFJ--MFJ/MFJ--2004-Broshure.pdf

Date added: November 6, 2011 - Views: 34

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Feeding Dipole Antennas - Androscoggin Amateur...

Fig 3—A coaxial-cable choke balun with an air core is effective and light enough to hang from the feed point of a well- supported dipole antenna.

http://www.w1npp.org/events/2010/2010-F~1/ANTENNAS/WIRE/910702~1.PDF

Date added: November 8, 2015 - Views: 1

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Matching a 60 W GaN HEMT over 100 1000 MHz...

Matching a 60 W GaN HEMT over 100 ... configuaration using a broadband 1:1 coaxial balun at input and output to ... • A high-Q 300nH air core bias feed inductor

http://www.rfmd.com/sites/default/files/resources/migration/presentations/COM_KKrishnamurthyPASym12.pdf

Date added: February 1, 2015 - Views: 1

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ferrite - Universidad de la Patagonia San Juan...

Ferrite Cores Products Summary BALUN / CHOKE COILS ... also has a greatly reduced core loss. These ferrite ... 96±1.9 70±1.4 20±0.5 0.99464 0.38574 ...

http://www.ing.unp.edu.ar/electronica/asignaturas/ee016/anexo/l-tdk-ferrite.pdf

Date added: May 4, 2012 - Views: 4

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END FED 6 40 Meter Multiband HF Antenna -...

1 END FED 6–40 Meter Multiband HF Antenna ... 9:1 UNUN (unbalance to ... I got is up in the air this afternoon using a 31 foot radiator.

http://earchi.org/92011endfedfiles/Endfed6_40.pdf

Date added: October 28, 2012 - Views: 103

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RF Transformers - Mini-Circuits

RF Transformers RF transformers are ... Transformer core saturation is influenced by (1) ... balun is a transformer that has a balanced input, ...

http://www.minicircuits.com/pages/pdfs/tran14-2.pdf

Date added: January 28, 2012 - Views: 21

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MFJ-969 DELUXE Versa Tuner II

MFJ-969 DELUXE Versa Tuner II 1 ... 1 balun allows the use of balanced open wire, ... The MFJ Air Core Roller Inductor is designed with an exclusive Self-Resonance

http://www.mfjenterprises.com/Downloads/index.php?productid=MFJ-969&filename=MFJ-969_3B.pdf&company=mfj

Date added: February 6, 2015 - Views: 1

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The G5RV Antenna System -- An Analysis - BVARC

The G5RV Antenna System – An Analysis ... •1:1 Balun •75 ohm coax to ... •Air Wound •Badger (W6TC) Coaxial Choke (HR 2/1980)

http://www.bvarc.org/pdf/g5rv_w5rh.pdf

Date added: April 29, 2013 - Views: 6

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Common-Mode Chokes - YCCC

The most common reasons for using common-mode chokes are: (1) ... especially air-core chokes have significant problems ... 1 balun” has a secondary-to-primary turns ...

http://www.yccc.org/Articles/W1HIS/CommonModeChokesW1HIS2006Apr06.pdf

Date added: December 19, 2011 - Views: 17

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AN1229 Application note - STMicroelectronics

July 2007 Rev 3 1/7 AN1229 Application note ... (1:1 balun in cascade with a 9:1 balun ... 25 Ω flexible coax cable OD 0.1” 3.9”. ferrite core NEOSIDE T4 / T5 4 ...

http://www.st.com/st-web-ui/static/active/jp/resource/technical/document/application_note/CD00004132.pdf

Date added: May 15, 2013 - Views: 4

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THE COBWEBB ANTENNA - Virgin Media

G3TPW CobWebb Antenna for the 14, 18, 21, 24 and 28 MHz Bands ... (via an in built air core choke balun), and most important of all, ...

http://homepage.ntlworld.com/g6unc-/cb1cobwebb.pdf

Date added: November 29, 2012 - Views: 1