This book provides foundational knowledge in electronic device design, covering the composition and purpose of engineering and technological documentation. It also presents a methodology for designing zero-level modules within the structural hierarchy. Intended for students specializing in "Design and Technology of Radioelectronic Devices" (program 210201) both full-time and part-time, as well as undergraduates in "Design and Technology of Electronic Devices" (program 211000). It can be a valuable resource for students working on coursework, laboratory assignments, or sections of their term projects in the course "Fundamentals of Electronic Device Design."