This chapter discusses semiconductor diodes, including their basic operation and characteristics in different bias regions. It aims to help readers understand key semiconductor materials like silicon and gallium arsenide, conduction via electron and hole theory, the difference between n-type and p-type materials, and how to analyze the resistance and equivalent circuit of diodes, including calculating dc, ac, and average ac resistance from diode characteristics. It also covers Zener diodes and their operation.
2. CHAPTER OBJECTIVES ● ●
Become aware of the general
characteristics of three important
semiconductor materials: Si, Ge,
GaAs. ● Understand conduction
using electron and hole theory.
● Be able to describe the
difference between n - and p -
type materials. ● Develop a
clear understanding of the basic
operation and characteristics of a
diode in the no-bias, forward-
bias, and reverse-bias regions. ●
Be able to calculate the dc, ac,
and average ac resistance of a
diode from the characteristics. ●
Understand the impact of an
equivalent circuit whether it is
ideal or practical. ● Become
familiar with the operation and
characteristics of a Zener diode
