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Folded dipole antenna


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Dipole antenna - Wikipedia, the free encyclopedia

Dipole antenna - Wikipedia, the free encyclopedia
in: en.wikipedia.orgen.wikipedia.org/wiki/Dipole_antenna

Related text in page: «A dipole antenna, created by Heinrich Rudolph Hertz around 1886, ... The tips of the antenna are folded back until they almost meet at the feedpoint, ...»
Folded Dipole Antennas

Folded Dipole Antennas
in: www.bwantennas.comwww.bwantennas.com/ama/fdipole.ama.htm

Related text in page: «Broadband Folded Dipole HF Antennas. See us at Marines South Expo Booth 642. Antenna shown ... The fact that this antenna is folded over on itself and terminated ...»
Martin E. Meserve - K7MEM - Folded Dipole Design

Martin E. Meserve - K7MEM - Folded Dipole Design
in: www.k7mem.150m.comwww.k7mem.150m.com/Electronic_Notebook/antennas/folded_dipole.html

Related text in page: «The drawing below shows the essential elements of a folded dipole. ... Then enter the dimensions for your folded dipole antenna. If you make the diameter of ...»
Folded Dipole

Folded Dipole
in: www.arcticpeak.comwww.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «The Folded Dipole is not used much amongst Radio amateurs, probably due to the fact that this antenna uses twice as much wire as a single-wire dipole. ...»
Folded Dipole Antenna

Folded Dipole Antenna
in: www.spiromfg.comwww.spiromfg.com/folded%20dipole%20antenna.htm

Related text in page: «Because of the folded dipole design, it has the advantage of EMI rejection, much better than other antennas, making the receive mode extra quiet. ...»
Folded dipole antenna

Folded dipole antenna
in: electroschematics.comelectroschematics.com/26/folded-dipole-antenna/

Related text in page: «Another common place one can see dipoles is as antennas for the FM band - these are folded dipoles. The tips of the antenna are folded back until they almost»
Folded dipole microstrip antenna (US5539414)

Folded dipole microstrip antenna (US5539414)
in: www.delphion.comwww.delphion.com/details?pn10=US05539414

Related text in page: «A folded dipole microstrip antenna is disclosed herein. The microstrip antenna includes a ... A folded dipole radiative element is mounted on the second mounting surface. ...»
Dipole antennas, folded dipole antenna

Dipole antennas, folded dipole antenna
in: www.educypedia.bewww.educypedia.be/electronics/antennadipole.htm

Related text in page: «2 Meter Turnstile Antenna contains 2 folded dipole antennas, construction plans of a Turnstile antenna for space communication on the 2 meter amateur radio band ...»
Broadband folded dipole antenna

Broadband folded dipole antenna
in: www.bwantennas.comwww.bwantennas.com/pro/fdipole.pro.htm

Related text in page: «Barker & Williamson's BWDS series of broadband folded dipole antennas, together with our MK114 mast systems, gives rear tactical and base units ...»
Folded dipole antenna :: Radio-Electronics.Com

Folded dipole antenna :: Radio-Electronics.Com
in: www.radio-electronics.comwww.radio-electronics.com/info/antennas/dipole/folded_dipole.php

Related text in page: «Overview, summary, tutorial about the folded dipole antenna, a form of RF antenna design that is widely used on its own and as the basis for other RF antenna designs, ...»
Antenna - Center-Fed Folded Dipole

Antenna - Center-Fed Folded Dipole
in: bear.sbszoo.combear.sbszoo.com/construction/antenna/hwcf/hwcf.htm

Related text in page: «The dipole is 3/16" dia. aluminum rod, but, except for the folded half-wave dipole antennas that were used, this, and every other type of antenna ...»
T2FD, The Forgotten Antenna -- antenna special on hard-core ...

T2FD, The Forgotten Antenna -- antenna special on hard-core ...
in: www.hard-core-dx.comwww.hard-core-dx.com/nordicdx/antenna/wire/t2fd.html

Related text in page: «Next In popularity would likely be the commercially available sloper antennas and trap dipole. ... tilted, folded dipole (T2FD) is a little known antenna that performs ...»
REFLECTIONS AND STANDING WAVE RATIO

REFLECTIONS AND STANDING WAVE RATIO
in: www.ycars.orgwww.ycars.org/EFRA/Module%20C/AntDip.htm

Related text in page: «The dipole antenna dates back to the early RF experiments of Heinrich Hertz in the late ... A diagram of the folded dipole is shown below. The folded dipole is the same overall ...»
Welcome to the Folded Dipole Page

Welcome to the Folded Dipole Page
in: www.qsl.netwww.qsl.net/w4sat/fdipole.htm

Related text in page: «A variation of the dipole is an antenna called a folded dipole. ... The starting formula for the folded dipole calculation is the same as a dipole, 468 / Frequency (in MHz) ...»
A cheap and easy TV antenna

A cheap and easy TV antenna
in: www.wfu.eduwww.wfu.edu/~matthews/misc/dipole.html

Related text in page: «A folded dipole is an efficient TV antenna that is easy to construct. It will not compete with a good high-gain directional antenna, but it sure beats rabbit ears. ...»
Barker & Williamson Broadband Folded Dipole Antenna BWD20

Barker & Williamson Broadband Folded Dipole Antenna BWD20
in: www.universal-radio.comwww.universal-radio.com/catalog/hamwire/0872.html

Related text in page: «Barker & Williamson Broadband Folded Dipole Antennas ... This antenna design provides an VSWR of less than 2:1 across the entire range when fed with a 50 ohm coaxial cable. ...»
John Conover: Terminated Tilted Folded Dipole Shortwave Antenna

John Conover: Terminated Tilted Folded Dipole Shortwave Antenna
in: www.johncon.comwww.johncon.com/john/T2fd/

Related text in page: «The antenna has omnidirectional gain characteristics and the performance is commensurate ... Figure I. Terminated Tilted Folded Dipole Shortwave Antenna ...»
Errante

Errante's 225 Ohm multiband HF antenna system © 2009 ...
in: www.esmartstart.comwww.esmartstart.com/_framed/250x/radiondistics/multiband.htm

Related text in page: «multiband antenna,multiband hf antenna,wire dipole antenna,turnstile antenna,cross dipole antenna,open dipole antenna,folded dipole antenna,antenna ...»
8010FD The folded-dipole is a great antenna to use when ...

8010FD The folded-dipole is a great antenna to use when ...
in: www.buxcomm.comwww.buxcomm.com/catalog/index.php?main_page=product_info&cPath=36&prod...

Related text in page: «8010FD The folded-dipole is a great antenna to use when operating the HF spectrum, especially the digital modes [8010FD] - 8010FDThe folded-dipole ...»
US 7605764 - Folded dipole antenna device and mobile radio ...

US 7605764 - Folded dipole antenna device and mobile radio ...
in: www.patents.comwww.patents.com/Folded-dipole-antenna-device-mobile-radio-terminal/US7...

Related text in page: «Disclosed is a folded dipole antenna device which is of an unbalanced feed type and includes an antenna element of approximately plate-like loop structure,»

 

ANTENTOP- 01- 2003, # 001

ANTENTOP- 01- 2003, # 001  [PDF file, 545KB]
in: www.antentop.orgwww.antentop.org/003/files/tr003.pdf

Related text in page: «The folded dipole is a very popular antenna for reception of TV ... The folded dipole can be analyzed by decomposing its current into. two modes: the ...»
R&D White Paper

R&D White Paper  [PDF file, 1.39MB]
in: downloads.bbc.co.ukdownloads.bbc.co.uk/rd/pubs/whp/whp-pdf-files/WHP132.pdf

Related text in page: «about dipole antennas and isotropic sources including effective aperture areas, ... derivation of the radiation resistance of a folded dipole and my treatment of the λ/2 ...»
MFJ-1710A Folded Dipole Antenna

MFJ-1710A Folded Dipole Antenna  [PDF file, 11KB]
in: www.randl.comwww.randl.com/binary/man/mfj%202/mfj1710.pdf

Related text in page: «MFJ-1710A Folded Dipole Antenna. Description: The MFJ-1710A is a light-weight 10-meter folded dipole that features a built-in. 300-to-50 ohm matching network. ...»
DIPOLE ANTENNA

DIPOLE ANTENNA  [PDF file, 275KB]
in: www.ramseyelectronics.comwww.ramseyelectronics.com/downloads/manuals/DA20.pdf

Related text in page: «Can be set up as a typical dipole antenna, or the popular "Inverted ... the center pin, and there are no stray strands being folded backwards. ...»
MFJ PORTABLE FOLDED DIPOLE ANTENNA

MFJ PORTABLE FOLDED DIPOLE ANTENNA  [PDF file, 219KB]
in: www.ncocra.orgwww.ncocra.org/folded_dipole.pdf

Related text in page: «The antenna is a no-compromise full-size folded dipole antenna designed to give your QRP ... Do not use conductive wire for end-lines this will detune the antenna. ...»
Broadband Folded Dipole Antenna Using The Real Frequency Method

Broadband Folded Dipole Antenna Using The Real Frequency Method  [PDF file, 1.15MB]
in: acem.yonsei.ac.kracem.yonsei.ac.kr/Publications/International_Conference/choijw_int_c_A...

Related text in page: «Abstract— Broadband folded dipole antenna with omnidirec ... folded dipole antenna will be presented in section III and IV. Proposed antenna in this ...»
A Novel Folded T-matched Dipole in Base Station

A Novel Folded T-matched Dipole in Base Station  [PDF file, 72KB]
in: ap-s.ei.tuat.ac.jpap-s.ei.tuat.ac.jp/isapx/2006/pdf/1E2b-4.pdf

Related text in page: «T-match folded dipole, is presented and simulated which can ... folded dipole antenna for digital terrestrial TV reception," IEEE Antennas and Wireless ...»
Emitter-wrap-through photovoltaic dipole antenna with solar ...

Emitter-wrap-through photovoltaic dipole antenna with solar ...  [PDF file, 0KB]
in: arrow.dit.iearrow.dit.ie/cgi/viewcontent.cgi?article=1028&context=engscheceart

Related text in page: «Antenna design: The proposed folded dipole consists of four identical ... Conclusions: A novel folded dipole comprising EWT rear contact solar ...»
Monolithic Integration of a Folded Dipole Antenna With a 24 ...

Monolithic Integration of a Folded Dipole Antenna With a 24 ...  [PDF file, 1002KB]
in: www.signal.uu.sewww.signal.uu.se/Publications/pdf/p0708.pdf

Related text in page: «Abstract—The integration of an on-chip folded dipole antenna ... Fig. 2. Simulated antenna impedance of simple (dashed line) and folded dipole ...»
Fdipole

Fdipole  [PDF file, 179KB]
in: www.bwantennas.comwww.bwantennas.com/instr/ManPackFoldedDipole.pdf

Related text in page: «The Barker & Williamson MP-90 is a 90 foot long broadband folded dipole antenna, designed for continuous frequency operation ...»
Fdipole

Fdipole  [PDF file, 95KB]
in: www.bwantennas.comwww.bwantennas.com/instr/fdipole.pdf

Related text in page: «... Barker & Williamson Broadband Folded Dipole Antenna is designed for continuous frequency operation over its ... antenna may be installed as a flat-top, inverted Vee or a sloper. ...»
A PRINTED MINIATURE DUAL-BAND ANTENNA WITH FOLDED MEANDER ...

A PRINTED MINIATURE DUAL-BAND ANTENNA WITH FOLDED MEANDER ...  [PDF file, 587KB]
in: ma.kaist.ac.krma.kaist.ac.kr/conference/50.pdf

Related text in page: «A Printed Miniature Dual-Band Antenna with Folded Meander-line Dipole type for ... This paper presents the printed dual-band meander-line dipole antenna for WLAN devices. ...»
Application Note

Application Note  [PDF file, 687KB]
in: olmicrowaves.comolmicrowaves.com/menucontents/designsupport/zigbee/AN_040_Folded_Dipol...

Related text in page: «The folded dipole is a resonant structure that should be less sensitive ... Figure 1 shows the schematic of the CC2400EM with the folded dipole antenna. ...»
T2FD, Terminated & twisted folded dipole

T2FD, Terminated & twisted folded dipole  [PDF file, 1.26MB]
in: www.korpi.bizwww.korpi.biz/t2fd.pdf

Related text in page: «T2FD is a 600-900 ohms folded dipole, terminated with resistor. ... The antenna works like dipole: it is possible to. use the antenna as inverted-V or as a ...»
Low Q Electrically Small Linear and Elliptical Polarized ...

Low Q Electrically Small Linear and Elliptical Polarized ...  [PDF file, 277KB]
in: puhep1.princeton.edupuhep1.princeton.edu/~mcdonald/examples/EM/best_ieeetap_53_1047_05.pdf

Related text in page: «For an electric or magnetic dipole antenna, there is a fun ... of folded arms as illustrated with the 4-arm folded spherical. dipole depicted in Fig. 3. This antenna has a ...»
/ 2 l

/ 2 l  [PDF file, 1.25MB]
in: www.ece.mcmaster.cawww.ece.mcmaster.ca/faculty/georgieva/antenna_dload/current_lectures/L...

Related text in page: «The folded dipole is a popular antenna for reception of TV broadcast ... The folded dipole can be analyzed by decomposing its current into two ...»
WELCOME TO THE VE3FHM SHORT ANTENNA PAGE

WELCOME TO THE VE3FHM SHORT ANTENNA PAGE  [PDF file, 46KB]
in: www.qsl.netwww.qsl.net/yc0hle/ve3fhmshant.pdf

Related text in page: «The first antenna is a combination of a folded dipole and loops. ... normal folded dipole and compressed it from the ends. The result is an antenna that is ...»
Can an Antenna Be Cut Into Pieces (Without Affecting Its Radiation)?

Can an Antenna Be Cut Into Pieces (Without Affecting Its Radiation)?  [PDF file, 283KB]
in: www.physics.princeton.eduwww.physics.princeton.edu/~mcdonald/examples/cutantenna.pdf

Related text in page: «The calculated impedance of the folded half-wave dipole antenna is 325 + 225 ... folded dipole antenna (right figure on p. 3), rather than from the ...»
Design Note

Design Note  [PDF file, 384KB]
in: focus.ti.comfocus.ti.com/lit/an/swra118/swra118.pdf

Related text in page: «Since the impedance of the folded dipole is matched directly to the impedance of ... Table 2 shows that the folded dipole antenna descr ibed in this document can ...»
How

How's your antenna?  [PDF file, 125KB]
in: www.sharc-ca.orgwww.sharc-ca.org/antenna2.pdf

Related text in page: «In a classic, folded dipole antenna, as shown in Figure 1 at the left, there. are parallel ... The folded dipole has several fea- tures that make it useful as a ...»

 

yagi jpg

Found image: yagi jpg  [View big image, 42.4KB]
in: pigtail.nethttp://pigtail.net/nicholas/ctn/dipole.html

Related text in page: «A 4 element Yagi and a complex 5 element Yagi A Channel 8 TV folded dipole made of old 1 2 copper plumbing tubings Feed point is 300 ohms The transformer shown here has high signal loss For lower signal loss use a balum instead»
channel8 JPG

Found image: channel8 JPG  [View big image, 34.8KB]
in: pigtail.nethttp://pigtail.net/nicholas/ctn/dipole.html

Related text in page: «A Channel 8 TV folded dipole made of old 1 2 copper plumbing tubings Feed point is 300 ohms The transformer shown here has high signal loss For lower signal loss use a balum instead»
ant faa5522 gif

Found image: ant faa5522 gif  [View big image, 4.4KB]
in: www.mobat-usa.comhttp://www.mobat-usa.com/antenna.htm

Related text in page: «The FAA5522 is a broadband HF whip antenna intended for use with Automatic Link Establishment ALE capable equipment for HF communications No external tuning is necessary for operation over»
Folded Dipole JPG

Found image: Folded Dipole JPG  [View big image, 25.1KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «Read about L B Cebik W4RNL unfolding the story about the Folded Dipole The Antenna Elmer s page on the Folded Dipole Note The formula given is not accurate since the length of the Folded Dipole depends on the spacing between the wires the wire sizes the conductivity of the ground and the height above»
20mFoldedDipole 2 jpg

Found image: 20mFoldedDipole 2 jpg  [View big image, 164KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «The end isolator and the spreader The spreader are made out of wood with plastic isolators mounted on The feeding point part of the folded dipole with the spreaders and the 4 1 balun»
20mFoldedDipole INV jpg

Found image: 20mFoldedDipole INV jpg  [View big image, 97.6KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «The end isolator and spreader shown from a different angle The 20 m folded dipole as a Inverted V»
20mFoldedDipole 3 jpg

Found image: 20mFoldedDipole 3 jpg  [View big image, 133.5KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «The feeding point part of the folded dipole with the spreaders and the 4 1 balun The end isolator and spreader shown from a different angle»
20mFoldedDipole SLP jpg

Found image: 20mFoldedDipole SLP jpg  [View big image, 164.2KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «The 20 m folded dipole as a Inverted V The 20 m folded dipole as a Slope»
antenna cobra shockabsorber jpg

Found image: antenna cobra shockabsorber jpg  [View big image, 18.1KB]
in: www.nonstopsystems.comhttp://www.nonstopsystems.com/radio/frank_radio_antenna_cobra.htm

Related text in page: «The Cobra at its current location My tuner settings for the Cobra November 2008 replaced dacron wire + spring with a shock absorber made of a 45 cm 1½ ft long loop of multi strand elastic cord 5 mm Ø 3 16 Much better»
foldeddipole jpg

Found image: foldeddipole jpg  [View big image, 34.4KB]
in: www.tony-town.co.ukhttp://www.tony-town.co.uk/aboutme.htm

Related text in page: «Antenna Imax 2000 vert HB9CV at home and 4 ele yagi portable Wire Dipole standby Getting near to finishing my Magnetic Loop My Folded Dipole»
20mFoldedDipole 1 JPG

Found image: 20mFoldedDipole 1 JPG  [View big image, 161KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «Below are some pictures showing the construction details of my folded dipole for 20 m In my folded dipole for 20 m I ended up with a total length of 9 8 m and 28 cm between the wires The end isolator and the spreader The spreader are made out of wood with plastic isolators mounted on»
8397 jpg

Found image: 8397 jpg  [View big image, 72.5KB]
in: www.coutant.orghttp://www.coutant.org/nvis

Related text in page: «Installing the passive reflector prior to erecting the antenna Looking south along the folded dipole antenna at AA6SC»
vertical mini dipole a jpg

Found image: vertical mini dipole a jpg  [View big image, 45.7KB]
in: www.nonstopsystems.comhttp://www.nonstopsystems.com/radio/frank_radio_antenna_vert_dipole.ht...

Related text in page: «up the arms of the dipole is almost 3 meters long I used a 3 m section of 40 mm diam PVC pipe from the DYI store as a mast The base of a large room fan served as a temporary stand My vertical mini dipole Crossing in front of it is half of my Cobra folded dipole I only tested the antenna very briefly as there was too much wind for the antenna to stay upright»
mast manpack sand jpg

Found image: mast manpack sand jpg  [View big image, 348.9KB]
in: www.bwantennas.comhttp://www.bwantennas.com/pro/whatsnew.pro.htm

Related text in page: «Designed by request of the Marines and Special Forces Barker Williamson s manpack broadband folded dipole antenna and mast kit gives forward units the HF communications capability of a»
ZM 4 front back JPG

Found image: ZM 4 front back JPG  [View big image, 35.2KB]
in: www.nonstopsystems.comhttp://www.nonstopsystems.com/radio/frank_radio_equipment.htm

Related text in page: «HF 6m antenna tuner MFJ 945E The very compact 10 watt portable ZM 4 antenna tuner kit from»
20mFoldetDipol Ant utstr JPG

Found image: 20mFoldetDipol Ant utstr JPG  [View big image, 102.6KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «Results from SWR analysis done by EZNEC 3D Plot done by EZNEC Back to ARCTICPEAK main page»
20mFoldetDipol Ant sim JPG

Found image: 20mFoldetDipol Ant sim JPG  [View big image, 17.2KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «The 20 m folded dipole as a Slope The 20 m folded dipole antenna set up in EZNEC for simulation»
20mFoldetDipol SWR JPG

Found image: 20mFoldetDipol SWR JPG  [View big image, 71.9KB]
in: www.arcticpeak.comhttp://www.arcticpeak.com/antennapages/folded_dipole.htm

Related text in page: «The 20 m folded dipole antenna set up in EZNEC for simulation Results from SWR analysis done by EZNEC»
twinlead jpg

Found image: twinlead jpg  [View big image, 13.5KB]
in: newsgroups.derkeiler.comhttp://newsgroups.derkeiler.com/Archive/Rec/rec.radio.shortwave/2008-0...

Related text in page: «DO It Yourself Build a T Antenna for your Scanner using an FM Folded Dipole Antenna and a BNC Connector Basic FM Folded Dipole T Antenna 300 Ohm Twin Lead http www kyes com antenna antennatypes twinlead jpg http en wikipedia org wiki Dipole antenna»
radio dx 70 jpg

Found image: radio dx 70 jpg  [View big image, 36KB]
in: www.nonstopsystems.comhttp://www.nonstopsystems.com/radio/frank_radio_equipment.htm

Related text in page: «My transceivers and antenna tuners Since 2003 Alinco DX 70TH Under construction April 2008 I bought a 150 kHz 30 MHz + 50 54 MHz 100W SoftRock 40 kit»

 

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