Introduction
Welcome to Circuit Exchange International. My site contains various categories of radio and electronic schematics. There are circuit analysis. design and theory sections, media section and a practical area containing some hints and tips. The simulation area contains circuit analysis using SPICE based programs such as LTSpice, "TINA" and "Circuit Maker". Unless stated, all circuits and articles are produced by me. You are welcome to contribute to this site, but please read the disclaimer before submitting. You may write in any language but please include an english description as well. Should you encounter problems the help page may provide your answer. Your comments and suggestions are welcome. Thanks for visiting Circuit Exchange International (CXI), and please return again soon.