The book is a practical course in the design and construction of radio electronic devices of varying degrees of complexity using the program P-CAD 2002. The description of methods of work, recommendations and tips for the development of symbols of elements, electrical circuits, the development of seats of elements, the creation of standard component modules and integrated libraries . The methods of designing printed circuit boards are described in detail, the methods of adjusting projects, the features of using service programs and commands are described. Many concrete examples adapted to the domestic element base and taking into account the requirements of the ESCD. are given. The book can also be used as a self-teaching . Designed for a wide range of developers, students and amateurs specializing in the development of printed circuit boards