Pablo Alcalde San Miguel, a renowned expert in electronics, had always been passionate about making complex electronic concepts accessible to students and professionals alike. With years of experience in teaching and research, he decided to write "Electrónica Aplicada", a comprehensive textbook that would cover the fundamental principles of electronics and their practical applications.

Basic high‑school algebra; no prior electronics knowledge is strictly required. A prior introductory physics course (electricity) is helpful but not essential.