หน่วยที่ 1. เซมิคอนดักเตอร์ (Semiconductor)

Unit 1.
Semiconductor

Type of electronic devices

Electronic Passive devices

Electronic Active devices

Conductor and Insulator and
Semiconductor

Resistivity Chart

conductor and Insulator

Semiconductor

A Silicon Atom Structure

N-type Semiconductor Basics

P-Type Semiconductor Basics

N-type and P-Type

PN Junction Theory

Depletion Layer.

PN Junction Diode

• Junction Diode Symbol and Static I-V
Characteristics.

Reverse Bias

Reverse Characteristics

Curve for a Junction Diode

• a very small leakage current does flow through the junction which
can be measured in micro-amperes, ( μA ).

Forward Biased PN Junction
Diode

approx. 0.7 volts for silicon
and 0.3 volts for germanium

Forward Characteristics
Curve for a Junction Diode

Junction Diode Ideal and Real
Characteristics

Ideal Real