PDF document. By Roger L. Freeman. This book is an entry-level text on the technology of telecommunications. It has been crafted with the newcomer in mind. The twenty-one chapters of text have been prepared for high-school graduates who understand algebra, logarithms, and the basic principles of electricity such as Ohm’s law. However, it is appreciated that many readers require support in these areas. Appendices A and B review the essentials of electricity and mathematics up through logarithms. This material was placed in the appendices so as not to distract from the main theme, the technology of telecommunication systems. To meet my stated objective where this text acts as a tutor for those with no experience in telecommunications, every term and concept are carefully explained. Nearly all terminology can be traced to the latest edition of the IEEE ( Institute of Electrical and Electronic Engineers ) Standard Dictionary and/or to the several ITU ( International Telecommunication Union ) glossaries. What is telecommunications? Webster’s calls it communications at a distance. The IEEE Standard Dictionary defines telecommunications as the transmission of signals over long distance, such as by telegraph, radio, or television. Another term we often hear is electrical communication. This is a descriptive term, but of somewhat broader scope. Telecommunication deals with conveying information with electrical signals.

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