This book is an entry-level text on the technology of telecommunications. It has beencrafted with the newcomer in mind. The eighteen chapters of text have been preparedfor high-school graduates who understand algebra, logarithms, and basic electrical prin-ciples such as Ohm’s law. However, many users require support in these areas so Appen-dices A and B review the essentials of electricity and mathematics through logarithms.This material was placed in the appendices so as not to distract from the main theme:the technology of telecommunication systems....