1411 Electrical and Electronics Engineering: Operational Amplifiers and Their Applications: Training Manyakhin F . and . and Dushkina A. N. is a valuable resource for students, graduate students and professionals interested in the basics of electrical and electronics engineering. In this educational publication, the authors are deeply immersed in the world of operational amplifiers, revealing their principles of operation, design features and wide possibilities of application in various fields. From the first pages, the reader finds himself on an exciting journey through the basics of electronics. The book begins with a theoretical framework that explains in detail the key concepts needed to understand the operation of operational amplifiers. The authors use accessible language and illustrative examples, which makes the material understandable even for those who are just beginning to get acquainted with this topic. However, despite the simplicity of the presentation, the book does not lose depth and scientific rigor, which makes it useful for both beginners and experienced specialists. One of the main topics raised in the book is the use of operational amplifiers in various circuits and devices. The authors look at many practical examples, demonstrating how these components can be used in real-world conditions. This makes the manual particularly valuable for engineers and developers working in the field of electronics, as well as for students seeking practical application of theoretical knowledge. The book may be of interest to a wide range of readers: from students of technical universities to professionals working in the field of electronics and electrical engineering. It will be useful to those who want to deepen their knowledge of modern technologies, as well as those who are looking for practical advice on the design and implementation of electronic circuits. If you are passionate about electronics, want to understand the principles of operating amplifiers or just looking for a high-quality tutorial, this publication will be an excellent choice. The style of the authors is distinguished by clarity and logical presentation, which makes it easy to assimilate even complex concepts. Maniakhin and Dushkin are experienced teachers and practitioners, which allows them to share not only theoretical knowledge, but also practical experience. There are many other well-known works in their arsenal that also deserve attention. For example, their previous publications cover topics related to analog and digital electronics, making them experts in the field. The book 1411 Electrical and Electronics Engineering: Operational Amplifiers and Their Applications not only enriches the reader’s knowledge, but also inspires new ideas and projects. It raises important topics such as innovation in electronics, the development of technology and their impact on everyday life. With rapid progress in the field of electronics and automation, understanding the operation of operational amplifiers is becoming especially relevant. If you are looking for a tutorial that not only teaches, but also inspires, then this publication will become your reliable assistant. It will help you not only to master the theory, but also to learn to apply knowledge in practice, which is a key aspect in the field of electrical engineering and electronics. Do not miss the opportunity to immerse yourself in the world of operational amplifiers and discover new horizons in the field of technology!