Chapter 3 Solid-state devices and valves
Revise the previous chapter (Please be aware that the revision section for
Chapter 2 is quite extensive. It comprises 12 sections and around 100 questions
and may take you some time to complete. Opens in a new window)
Introduction
The Silicon (Si) atom
The Germanium (Ge) atom
Semiconductor materials
The PN junction
The zener diode
Variable-capacitance diode
NPN PNP transistors
Field-effect transistor (FET)
Applications of solid-state devices
The transistor as a small-signal amplifier
Power amplifiers
The transistor as a switch
The transistor as a tuned amplifier
The transistor as an oscillator
The transistor as a mixer
Integrated circuits (IC's)
Introduction to valves