Diodes and Transistors

2.2 diodes – point-contact, junction, hot-carrier, Zener

Mastering Diodes in Ham Radio Technology

The section delves into the world of diodes, which serve as the backbone of ham radio systems. It explores the characteristics, applications, and interconnected roles of Zener, varactor, Schottky, and junction diodes. Each type plays a unique role in enhancing the stability, precision, and efficiency of ham radio circuits—ranging from voltage stabilization and frequency tuning to high-speed operations and power management.


2.1. germanium, silicon, gallium arsenide, doping, P-type, N-type

This chapter explores the properties and applications of germanium, silicon, gallium arsenide, and the processes of doping and categorization into P-type and N-type materials. These semiconductors are pivotal for their unique ability to conduct electricity under certain conditions, while acting as insulators in others, making them vital in the creation of diodes, transistors, and integrated circuits.