The book “Radio Engineering Chains and Signals”, created by the team of authors, is an important work that will become an indispensable tool for students, graduate students and specialists in the field of radio engineering and electronics .. This work covers a wide range of topics related to the design and analysis of radio circuits, as well as signal processing, making it relevant for both beginners and experienced engineers. The book focuses on the basic principles of operation of radio circuits, their components and interaction with various signals. The authors pay special attention to the theoretical foundations that serve as the basis for practical application. The reader will be able to better understand how various radio frequency devices function, from simple circuits to complex systems used in modern communications. The book includes many examples and tasks, which allows not only to assimilate the theory, but also to apply it in practice. This book will be of interest to students of technical specialties who study radio engineering, electronics and related disciplines. It will also attract the attention of engineers and practitioners working in the field of development and operation of radio engineering systems. If you are interested in radio communication, wireless technologies or want to deepen your knowledge in the field of signal processing, the “Radio Engineering Chains and Signals” will be a real find for you. The topics raised in the book cover both classical aspects of radio engineering and modern advances in signal processing. The authors consider such important issues as circuit analysis, methods of modulation, filtering and demodulation of signals, as well as the principles of operation of antennas and radio frequency devices. These topics are not only relevant, but also necessary for understanding modern technologies such as 5G, IoT and other areas where radio signals play a key role. The style of the authors is characterized by accessibility and clarity of presentation, which allows the reader to easily assimilate even the most complex concepts. The book is written taking into account modern educational standards and includes relevant examples from practice, which makes it not only a theoretical, but also a practical guide. The team of authors consists of experienced teachers and practitioners, which guarantees the high quality of the material and its compliance with modern requirements. If you are looking for literature that will help you understand the complex issues of radio engineering, then “Radio Engineering Chains and Signals” will be an excellent choice. This book can be your reliable companion in the study of radio systems and signals, as well as in your professional activities. It will inspire you to new discoveries and help you develop the skills necessary for a successful career in this dynamically developing field. In addition to this, the book will be useful to those interested in related topics such as electronics, communications, and information technology. If you were looking for literature that will help you master such concepts as pulsed and analog signals, as well as the principles of radio frequency circuits, then “Radio Engineering Chains and Signals” will become a real storehouse of knowledge for you. Do not miss the opportunity to immerse yourself in the world of radio engineering and discover new horizons!