An electronics tutorial radio design site, to learn about electronics discussing the basics and principles of design then the construction of electronic projects
Family Radio Service or FRS
A number of times I've been asked by U.S. residents, what is this "no-license required Family Radio Service or FRS"?
I did a lot of research into this topic and this is what I came up with. It is a no-licensed required, two way and very inexpensive walkie-talkie that operates in the frequency range of 462.5625 to 467.7125 Mhz, this is the FRS or Family Radio Service band. For U.S.A. residents ONLY.
Spectrum Analyzer Project and Kit of parts from my new site.
This is an excellent piece of test equipment and relatively inexpensive to construct considering commercial Spectrum Analyzers cost $10,000's. Well worth a look. Print it out!
LC Meter Project and Kit - Now you can easily build a quality inductance and capacitance meter (LC meter project). Ideal for any serious constructor - designed by Neil Hecht of AADE.
This electronics tutorials and electronics projects site is totally free to you to use and is financed wholly by click revenue derived from our sponsors. By visiting them you demonstrate your very practical support for this valuable and free site.
AM/FM Radio Project Kit
AM/FM radio kit and training course contains 14 transistors and 5 diodes, a 52 page manual is divided into 9 lessons. Superheterodyne receiver of standard AM and FM broadcast frequencies. Makes an excellent classroom project.
Photo courtesy Parts Express
If you need to write to me, Ian Purdie VK2TIP, in regard to any matter on these electronics tutorials sites PLEASE read this page first.
Excellent beginner project to start your collection of amateur-radio-equipment. Like most presentations on this site LONG but quite interesting. REVISED circuit values.
Radio Telescope - In response to some considerable interest I have posted a project for you to construct a 30 Mhz radio telescope.
Passive Antenna Re-radiators - Again in response to some considerable interest I have posted some project ideas for receiving difficulties for you to construct passive antenna re-radiators or "sort" of Q multipliers.
Science Fair Projects
Science Fair Project Ideas - Again in response to a lot of email questions from both students and parents I have put together a page of science fair project ideas covered by this site. These projects also appear elsewhere on my comprehensive site but I've been asked to group them together under the one heading of science fair projects.
(and in this order)
1. Radio Terminology - learn the basics, learn what's what! get a basic understanding of all the major terms used in ham radio and electronics
2. Basic Electronic Units - learn the basics of those important components Inductance, Capacitance and Resistance - VERY LONG
Antennas, some rules of thumb for beginners - Every now and then somebody asks for antenna suggestions. Quite often these people asking about antennas are beginners who are afraid of making the wrong choice - a contibution on antennas by James R. Duffey KK6MC/5 aka Dr. Megacycle.
The very best reference and technical books Ian Purdie, VK2TIP can recommend - If you are serious about learning electronics and advancing either your career or hobby this is the place to look.
the best radio - electronics-projects magazine in the world - Check this out. Excellent value for such a low subscription!
Amplifier design - Part 1 - learn how to design both a.c. amplifiers and r.f. amplifiers
Amplifier design - Part 2 - using emitter degeneration
Amplifier design - Part 3 - using emitter degeneration AND feedback
Buffer Amplifier design - - to buffer low level stages before succeeding amplification
Small Signal Amplifier design - - to follow the buffered low level stages before power amplification
Short wave rgenerative receiver project PCB also available. From my new site. A regenerative radio receiver is unsurpassed in comparable simplicity, weak signal reception, inherent noise-limiting and agc action and, freedom from overloading and spurious responses. The regenerative radio receiver or, even super-regenerative radio receiver or, "regen" if you prefer, is basically an oscillating detector receiver.
A.M. Radio design - the basics of a.m. radio design Part 1
A.M. Radio design - the basics of a.m. radio design Part 2
F.M. Radio design - the basics of f.m radio design Part 1
F.M. Radio design - the basics of f.m radio design Part 2
Active Receiving Antennas - a discussion on some of the principles and justifications behind the design of active receiving antennas for radio projects.
Design of RF Oscillators - a discussion on some of the principles and justifications behind the RF design and construction of radio frequency oscillators
Design of Voltage Controlled Oscillators - a discussion on some of the principles and justifications behind the design of voltage controlled oscillators or VCO's.
Design of Crystal Oscillators - a brief discussion on some of the principles and justifications behind the design of crystal oscillators.
Radio Terminology - basic terms for newcomers to radio projects, ham radio, and electronic tutorials to get to know and understand for your electronics-projects
High pass LC filter design - by popular demand learn how to design high pass LC filters - Part 1
L.C. Filter design - a comprehensive electronic tutorial for everybody into ham radio or the electronic hobbyist.
This LC and crystal filter software was written by Neil Heckt of Almost All Digital Electronics as an aid for filter designers to simply plug in various filter parameters and hey presto! there is your finished design. From my new site I will present you with the design example of a crystal filter of the crystal ladder filters variety as designed on my evaluation copy of the downloaded software.
Double Balanced Mixer design - an electronic tutorial on double balanced mixers
Balun design - an electronic tutorial discussing baluns
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As you would imagine maintaining this site costs me considerable sums of money in many, many ways. If you believe this site is a valuable and FREE educational resource and, you want to keep it that way, then here's how YOU can demonstrate your very practical support for this site..
- If you feel this site is a valuable resource then consider emailing a friend.
Power Supply design - 1 - a home learning tutorial on the basics of designing simple power supplies for radio projects.
Power Supply - 2 - regulation of power supply voltages.
Power Supply - 3 - designing with solid state regulators as well as using higher current regulators.
Power Supply - 4 - a bench variable voltage power supply project for you to construct at home.
You can view the archives of the previous issues of the Monthly Newsletter to consider if you wish to receive it.
Concerned over privacy issues? If so please read my firm policy commitment on "your privacy and quickly unsubscribing" from my FREE email monthly newsletter.
Electronic Projects - electronic kits and electronics-projects from friends of mine.
In October, 2001 www.electronics-tutorials.com and this site attracted 80,576 unique visitors who looked at 223,666 page views - [source - hitbox.com]
This makes us the best way to bring your achievements and knowledge to the largest number of your colleagues and fellow enthusiasts.
Contact me with your original contribution and possibly win an Amazon Gift Certificate!
Remember only original work will be considered.
The ARRL Handbook for Radio Amateurs 2016 - USA
The ARRL Handbook for Radio Amateurs 2016 - Canada
The ARRL Handbook for Radio Amateurs 2016 - U.K.
Links and copying pages - If you want to link to me or copy any of my pages you should read this first.
What's new - there is always something, nearly every day.
Be your own cabinetmaker - How to build custom electronic enclosures from scrap plastic - brilliant, by Bill Jones KD7S. Excellent home learning to construct amateur-radio-equipment boxes.
Radio Receivers - the fundamentals of radio receivers
What is love? - for those who want a good start to the day.
Notice to all Visitors - for those with a sense of humour
The most incredibly funny joke I have ever heard - for those with an even greater sense of humour
A basic old time crystal radio set - basic crystal radio set but includes a lot of design information
a reflex radio receiver circuit - out of fashion now but here are the principles, design info and schematics
Electronic Projects and Radio Design - Links to great sites for the amateur radio, ham radio or electronic hobby enthusiast. Brought to you from my good friends at QRP-L radio. Pictures galore of projects.
I came here looking for - and you need help on?
Books really essential for you to read and learn radio etc. - you need these books to understand amateur-radio-equipment.
Good Links - a wide range of suppliers etc.
My social commentary - also my political philosophy and my published letters to the newspapers
Defeat of the Australia Republic Referendum 1999 - my disappointment and views regarding the defeat of this most historic referendum held Saturday 6th November, 1999
Frequently Asked Questions (FAQ) I get a lot of questions but very few are ever repeated to be frequent
Freebies - cost you nothing at all
Michael MacNamara - b. (about 1810 - 1817) - My wife Carolyn is in need of further information on this distant relative to proceed further with her genealogy.
This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com
Ian Purdie - VK2TIP
These electronic projects are provided for individual private use and the author assumes no liability whatsoever for the application, use, misuse, of these projects that result in the direct or indirect damage or loss that comes from these projects. All materials are provided for free private and public use. Commercial use prohibited without prior written permission from Ian C. Purdie VK2TIP.
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|Email to: Ian C. Purdie||Page last revised 18th January, 2001||All Pages copyright © 1998 - 2001 by Ian C. Purdie (all rights reserved)|
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