Book "Functional devices and power supply of telecommunications systems . Laboratory workshop: training manual at 4 h. » authorship of Vladimir Vladimirovich Klimovich is a unique and indispensable resource for students, graduate students and specialists in the field of telecommunications and electronics . This manual is not just a textbook, but a real find for those who want to deepen their knowledge and skills in the design and operation of telecommunications systems. In the first part of the book, the author introduces the reader to the basics of functional devices, which are key elements in telecommunication systems. Here you will find detailed descriptions of various types of devices, their functional features and scope. Klimovich emphasizes the importance of correctly selecting and configuring these devices, which is critical to ensuring the reliability and efficiency of telecommunications systems. The second part of the manual deals with the power supply of telecommunications systems. This topic is particularly relevant in light of current requirements for energy efficiency and sustainability of systems. The author shares his knowledge about various ways of organizing power supply, including traditional and innovative approaches. Readers will be able to learn about modern power supplies, redundancy systems, and power failure protection techniques, making this part of the book particularly valuable for engineers and designers. The third part of the workshop includes laboratory work that will help to consolidate theoretical knowledge in practice. Each laboratory work is accompanied by clear instructions, necessary calculations and recommendations for conducting experiments. This will allow readers not only to gain practical skills, but also to develop the critical thinking necessary to solve real problems in the field of telecommunications. The fourth part of the book is devoted to the analysis and interpretation of the results of experiments. Klimovich offers readers various methods of analysis, which will help to better understand how telecommunications systems function and what factors affect their effectiveness. This part is especially useful for those who aspire to scientific activities and want to develop their research skills. The book "Functional devices and power supply of telecommunications systems" will be of interest not only to students of technical specialties, but also to practicing engineers who want to update their knowledge and master new technologies. It is suitable for those who are interested in electronics, telecommunications, communication systems and their design. The manual will also be useful to teachers who are looking for quality materials for their courses. Klimovich’s style is distinguished by clarity and accessibility, which makes complex technical concepts understandable even for beginners. His previous works have also received recognition for their practical orientation and in-depth analysis, which confirms the high level of expertise of the author. If you are looking for a tutorial that will help you not only learn the theory, but also apply the knowledge in practice, “Functional devices and power supply of telecommunications systems” will become your reliable assistant. This book will not only expand your knowledge, but also inspire new achievements in the world of telecommunications. Do not miss the opportunity to immerse yourself in the fascinating world of technologies that change our communication and interaction with the world around us!