Site Links - Antenna Topics

 

Antenna tools

This is really a little treasure chest, in addition to the assembly instructions for a 137kHz receiver and many other things, there is also a special page for antenna freaks with "Antenna tools". These are Java scripts to calculate everything conceivable on line. Would you care for a little taste? "Conversion between Field strength and received power / Field regions / Isotropic losses of free space radiation / field strength, field area and received power…..etc."

Address: http://www.giangrandi.ch/jack/main.shtml


Antennex

And finally, another big jar to rummage around in, as here too the concept of antenna engineering is stretched a long way and includes many associated areas.

Address: http://www.antennex


Theory of Antennas

That's the heading above the lists of links and downloads on this homepage. But we're dealing with tutorials on the basic principles here, the list is never ending, and it's impossible to itemise everything there is here on this subject. So just have fun rummaging around!

Address:
http://members.fortunecity.com/ xe1bef/theory-antennas.htm


Radiometrix

A company which specialises, in particular, on data transmission and modems, including those operating over radio routes. But there are also some neat application notes for the RF freak, quite apart from the many data sheets and other information regarding interfaces.

Address:
http://www.radiometrix.com/


TX Lines, Antenna Systems, PC Joystick

We don't want to spend all our time talking about antennas, but a homepage with such good tutorials and with so many different applications deserves a mention.

Address:
http://www.tmeg.com/tutorials/tutorials.htm


Radio Waves

The site's name gives you a pretty good clue: it deals with developments and products relating to electromagnetic waves. The main theme is antenna development and the production of complete antenna arrays. And because in this kind of work you have to pay very close attention to the customer's wishes, there's also an extensive planning section. One splendidly attractive gift from these people to all RF freaks is the "RW calculator" for calculating and planning every last little thing relating to antennas and receivers, which you can download free of charge. This is really something great, with many different applications of all kinds!

Address:
http://www.radiowavesinc.com/html/414_rf_system_planning_tools.cfm


W2BRI's Magnetic Loop Site and PA3CQR magnetic loop antenna page

As always on such sites, the more you nose around and the more stones you turn over, the more treasures you unearth. Very enjoyable and informative to see everything concerning loop antennas summarised here.

Addresses:
http://www.standpipe.com/w2bri/index.htm

http://www.iri.tudelft.nl/~geurink/magnloop.htm


Ingecom

Here you can obtain a very well-written article entitled "VHF and UHF Antenna Design". It is really rewarding, either as a stimulus to further research or as a refresher of what you may already know.

Address: http://www.ingecom.ch/Pics/an_antenna.pdf


Myer's Engineering International

23 years of experience with radio communication systems and antennas... that's what it says in the introduction to this site. Another homepage which can reveal masses of new or fascinating facts for those with an interest in such matters. Seek, and ye shall find...

Address:
http://www.myerseng


Marska WLAN Pages

Even up in Finland there are some active people, which is why it’s worth rummaging around on this homepage. One very interesting subject is what you can find here under the heading “2.4 GHz WLAN antenna – Do it yourself”. You can choose between English or Finnish texts. But anyone who doesn’t speak any Finnish will have given up already during the search, and will not be looking for it any longer.

Address:

http://www.saunalahti.fi/elepal/antennit.html


Microwave Active Antenna Group

This site (which is run by the University of Colorado) is also guaranteed not to be boring, for the students are very active and post their well documented research results on the homepage.

Address:

http://nemes.colorado.edu/microwave/theses.html


Vivaldi antennas

We know that antenna developers come up with numerous “infinitely variable concepts”, which they never stop playing around with and changing – there’s no end to it. This often leads to solutions that we would never have dreamed of. The “Vivaldi antenna” falls into this category. Just take a look at how something like this makes out in a radio telescope. And if this is your kind of thing, a search engine can provide plenty of additional links on the subject.

Address:

http://brown.nord.nw,ru/vkh/vfv.1.htm


Antenna Software

This page offers a total of 115 links for you to click on, and each one leads to a program or a set of programs for antenna calculation. The same homepage also offers any amount of practical examples, and they’re even broken down by type or frequency range.

Address:

http://members.fortunecity.com/xe1bef/software=antennas.htm


Antenna Tutorials

Would you like a bit more information about the principles of antennas? If so, please just take a look at this page, as information is presented here in an attractive form, and it’s a joy to read. There are also additional links to half the antenna world.

Address:

http://www.electronics-tutorials.com/antennas/antenna-basics.htm


AnTeg

Would you like a few application notes on the subject of microstrips / antennas / couplers? There’s some stuff you can download here, but it’s also worth taking the time just to look.

Address:

http://www.anteg.net/html/selected_papers.html


Collection of antenna design software

Just another little collection of CAD programs for antennas. Things keep turning up here that you didn’t know before.

Address:
http://www.dxzone.com/catalog/Software/Antenna_analysis/


Cubical Quad Antenna Calculator

If you’re planning a project like this, you need only click on this page and then you can design the whole antenna, right down to the mast.

Address:
http://www.softcom.net/users/kd6dks/quad.html


Radiall-Larsen

If you need to refresh your basic knowledge of antennas, or you want to gen up on the problems and concepts associated with modern WLAN antennas, or to look for frequency occupancy tables, or to examine this, that or the other, you can look at problems more closely by visiting the “Technical Reference” section of this homepage

Address:
http://www.radialllarsen.com/technicalreference.htm


Andrew

This company has specialised in microwave communications systems, and can therefore make comprehensive aids to systems planning available through the Internet without charge.
The “Andrew Microwave System Planner” is very attractive and is also very convenient for use at home (...but you can find even more under the heading “Andrew Power Tools”).

Address:
http://www.andrew.com/downloads/default.aspx


Broadband multi-function antenna suitable for incorporation into vehicles

Something in German for once - though the bad news is that it takes a lot of downloading This modest and unassuming title conceals a Karlsruhe University doctoral thesis 200 pages long, with a good introductory section on the basic principles of antennas.

Address:
http://www.ubka.uni-karlsruhe.de/cgi-bin/psview?document=/2001/elektrotechnik/6&search=/2001/elektrotechnik/6


Microwave Antenna Book

For anyone who wants to understand the field of microwave antennas, this has all of the basic information. It is a complete textbook with individual chapters downloadable as pdf files. Very well produced, very informative and kept up to date with many revisions. Recommended!

Address: http://www.qsl.net/n1bwt/contents.htm


L.B. Cebik, W4RNL

An interesting site for antenna enthusiasts. There is a lot of information on the site plus downloadable information, including a comprehensive history of antennas but the emphasis is on modern technology, in all variations.

Address: http://www.cebik.com/radio.html


Antenna software

This homepage gives many useful links to antenna design and calculation software.

Address: http://www.ac6v.com/antsoftware.htm


Helix Antenna Design and Construction detail

Who is interested in this type of antenna or would like to experiment. Here is a beautiful empirical report on this topic.

Address: http://www.jcoppens.com/ant/helix/index.en.php


Propagation Tutorial

A very well presented and easy to read tutorial with plenty of information on antennas, wave equations, propagations, reflections, Noise….?

Address: http://www.mike-willis.com/Tutorial/PF13.htm


Designing Antenna systems with maximum sensitivity

This is a very well presented and informative homepage. There are many interesting subjects mentioned on the homepage.

 Address: http://www.pentodepress.com/receiving/receiving.html


Orban Microwave

There are several interesting Application Notes for microwave and antenna enthusiasts: e.g. Basics of antenna arrays, Basics of patch antennas, An introduction to GPS patch antennas, An introduction to GPS low noise amplifiers etc.

Address: http://www.orbanmicrowave.com/appnotes.htm


Antenna Design software and Electrical engineering software - mostly free

This is a good place to find ideas. Everything downloaded and examined was found to be worthwhile and worth spending time to understand

Address: http://www.rfcascade.com/antenna.html


Electric Waves and Antennas

This is a fine thing: someone has written a beautiful book with 21 chapters at present on this topic. It has be put on the Internet for eveluation

Address: http://www.ece.rutgers.edu/~orfanidi/ewa/


Microwave Antenna Design Calculator Download

This Calculator makes the design of a microwave antenna a joy and is easy to understand. You must register first, but the software is really worth it.

Address: http://www.q-par.com/antenna-calculator

A simple printed broadband antenna

This is an informative and clearly written article on microstrip antennas with good suggestions on this topic.

Address: http://ceta.mit.edu/pier/pier60/07.0509263.Gao.S.pdf


Embedded Antennas get the signal

This is a strange title but it is a very interesting article. It describes the theoretical background and the production technology of this new technique.

Address: http://www.edn.com/contents/images/236435.pdf


Vivaldi Antenna for Snow radar

A really interesting project and a good article with lots of basic information for this type of antenna its characteristics and applications. Not only for antenna specialists.

Address: http://www.ittc.ku.edu/research/thesis/documents/ravi_prakash_rajaraman_thesis.pdf


Aerocomm Antenna Tutorial

Another antenna topic, but this time a general tutorial. This is not only for the specialists but for revision and to test your own knowledge or for filling the gaps in your knowledge.

Address: http://www.aerocomm.com/docs/Antenna_Tutorial.pdf


Basic Antenna Theory

For those who want to study the basics of antennas at a very scientific level should take a look at this university site.

Address: http://farside.ph.utexas.edu/teaching/jk1/lectures/node81.html


EZNEC Model files

EZNEC is a simulation program for wire antenna simulation in the frequency range up to 1GHz. It can save many unnecessary prototypes and tests. The program does not give complete building and assembly instruction, but the simulation results are so good that usually only fine adjustments are necessary. EZNEC is a good low cost entry into simulation. To save re-inventing the wheel it is a good idea to look at finished projects. This helps to learn how the software works and secondly and existing project can be adapted. Here is a source of such  small project.

Address: http://www.cal-av.com/2d-40-models.html

Also this site has an interesting offer at the end to download an antenna collection:

http://www.voacap.com/antennas/squeezing-decibels-out-of-dipole/


Orban - The Basics of Patch Antennas (Updated)

The original article was first class. It has been updated as a result of much feedback and many letters. So it can confidently be called obligatory reading for all who want to use patch antennas.

Address: http://www.rfglobalnet.com/download.mvc/Technical-Article-The-Basics-Of-Patch-Antenna-0001


Hoverman HDTV UHF antenna

What age does this belong to? In any case curious electronics engineers will want to read this article. Above all there is plenty of history provided. For the ruthless the NEC2 simulation files are also included.

Address: http://www.jedsoft.org/fun/antennas/dtv/gh.html#toc-3

An alternative address: http://www.digitalhome.ca/ota/superantenna/index.htm


The WB0DGF Antenna Site

Since we are already looking at antennas, here are some more. Spend some time to browse through all of the information on offer.

Address: http://wb0dgf.com/


4nec2

The keyword “NEC” is well known for simulation of wire antennas. More precisely: NEC2, because the much improved current version NEC4, cost too much at the moment.

For some years 4nec2 has been at the forefront of design software. Not only because of its beautiful coloured 3D result diagrams and structures, but because it offers almost unbelievable possibilities during design and the optimisation - and it is free! (a friendly amateur made the comparison of the bicycle to the Porsche for the software changes).

Address: http://home.ict.nl/~arivoors/Home.htm


Antenna Basics

Again and again it is interesting to read are such introductions, particularly if they are easy to read and understand. In addition this is a visible pdf file - an interesting read.

Address: http://wireless.ictp.it/handbook/C4.pdf


Small Spacecraft Antenna Selection Tutorial

Particularly interesting for lovers of horns; not those used for music make, but those that can radiate and receive microwave signals. This is a good overview with an accurate technical background. This is a fascinating subject.

Address: http://www.antdevco.com/ADC-0807201305 - R0 Small Spacecraft Antenna Selection Tutorial.pdf


Designing Antenna systems for Maximum Sensitivity

Everyone wants to try a new antenna system design. It is difficult to define the scope of a design in terms of the main lobe and side lobes. This article is well structured and very useful fopr such a project.

Address: http://www.aktuellum.com/circuits/receiving/


The Basics of Patch Antennas - updated

This Application note from the Orban Company was originally published 2005. Due to many letters and notes it has been fundamentally revised and extended with great success. Thus it is obligatory reading for everyone who would like to train into this topic.

Address: http://www.rfglobalnet.com/download.mvc/Technical-Article-The-Basics-Of-Patch-Antenna-0001


W1GHZ online Microwave Antenna Book

This is really a fine book: a comprehensive representation of this topic that is well written and easily understandably with the latest developments. It is a very good book for its time, the complete work of 12 chapters can be downloaded and it works

Address: http://www.w1ghz.org/antbook/contents.htm


W1GHZ 10GHz site

There are many things to discover. Among other things it is possible to download interesting practical projects and articles from QEX magazine as well as all DUBUS magazine for the period 1982 to 1992.

Address: http://www.w1ghz.org/10g/10g_home.htm


The WB0DGF Antenna Site

Again something about antennas. On this site all articles on this topic are listed. They are all worthwhile to read just look at the list for something of interest.

Address: http://wb0dgf.com/


EAGLE

For those who carry out antenna measurements and are not only interested in radiation patterns. There is also impedance performance of the antenna and some beautiful Application Notes.

Address:

http://www.eagle-1st.com/eagle1st.nsf/e4fa682eb52a27e10725763c007961ea/efb5f60e1d940e6507257663005b1315!OpenDocument


Hoverman HDTV UHF antenna

You never stop learning in the field of communications and this is no exception. If you have never heard of this antenna before it is worth investigating its properties.

Addresses: http://www.jedsoft.org/fun/antennas/dtv/gh.html#toc-3

http://www.digitalhome.ca/ota/superantenna/index.htm


Orban Microwave/The basics of patch antennas (updated)

There was a basic article about patch antennas that can also be found in many publications from other authors on this topic and it has bee in their bibliography for a long time. This lead to many letters making suggestions for extensions and corrections. Orban have now revised this application note and published it again. The result is first class.

Their homepage also contains other interesting literature on offer from the company on….

Address: http://www.orbanmicrowave.com/assets/Pdfs/Technical_Articles/Orban-Patch-Antennas-2009-rev.pdf


Circularly Polarised Microstrip Antenna for Cordless Phones

This is a very beautiful patch antenna, but this time in the form of a presentation. It is worthwhile to take a look

Address: http://ndl.ee.ucr.edu/kelly.pdf


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