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About Circuit Exchange International (CXI)
Circuit Exchange is a personal, non-profit home page. First started in March 1999, my site has grown and includes a schematics database of over 230 circuits, and includes sections on circuit design, analysis and practical sections.
As the site is a long title, I simply shorten it to CXI. This site contains around 98% circuits, not links to other web sites. Although largely a one-man effort, I welcome contributions. Originally hosted on Freeserve, my site is now hosted by Zen Internet in the uk. The site is made on linux using Quanta and Gimp and designed to be resolution independent. However as large images are used, I recommended a minimum display resolution of 1024 x 768 or higher.
Email Me
To combat spam I am now using a new email address. This is shown below and is an image, not text,
you will need to copy it into your email program to contact me.
For verification thats hal eight zero zero zero b at yahoo dot com.
Contributors
The home page is translated into 10 languages and I am most grateful to the following people who have made this possible :-
Amanda Van Leeuwen, Ricardo Venegas, Sindhu Adi Wijaya, Paulo Roberto do Amaral, Maria Rosendahl,
Marco Deferre, Fidel from Ukraine, and Hartmut Schneider. All contributers appear on my credits page link below. You can also see my viewers gallery and disclaimer.
Frequently Asked Questions
i) Most components are labeled using the System International numbering system.
ii) Please don't ask for schematics for domestic electrical or electronic equipment, I don't have any.
iii) This site is non-commercial, I do not sell or buy, components or circuits on this site.
iv) The update page contains links to the newest pages on my site.
v) I regret that I cannot help with college/school/university/project work below.
Newsletter
I am currently trying a new newsletter by Domeus. After entering a valid email address and pressing
send, you will receive an email from Domeus. Click to accept the invitation, you do not need
to do anything else, the password Domeus offers you is for services on their site only.
About the Web Master
My interest in electronics started when I was about 7, from listening to my parents old radiogram. I was always fascinated tuning the radio on medium wave to hear what new stations could be heard. Many languages and different countries at night were possible. Today the wavebands are much more crowded along with much more man made interference. This makes radio listening on medium wave much more of a challenge. The same year I went to the library and got books on radio and electronics. I built my first crystal set and it was amazing to pick up the local and regional stations at that time. As time went on, I progressed to more complex receiver circuits and then onto alarm and relay circuits. Over the years, electronics still remained one of my favourite hobbies. Even if I did not construct anything, I would always have magazines or electronic books from the library to read. I have always enjoyed experimenting and building circuits.
Electronics can be very rewarding and sometimes challenging. It is always good to hear from fellow hobbyists
around the world. I would recommend reading "The Art of Electronics" by Harrowitz and Hill, and if you are interested in computer simulation,"The Spice Book" by Andrei Vladimerescu is a good choice.
Other hobbies include short wave listening, music, and computers. I became interested in Linux in about 1999 and now run many operating systems on one hard drive. I'm currently running PCLinuxOS and Debian Lenny and I'm active in most of the linux forms.
