DESIGN AND CONSTRUCTION OF AN AUDIO AMPLIFIER
By
EE – N2003 – 221 TO EE – N2003 – 230
Presented To
Department of Electrical/Electronic Engineering
ABSTRACT
The topic of this project is â Audio Amplifierâ. The research embarked upon this study or project by using both primary and secondary source of data.
The main instrument used for data collection are:
Modern electronics circuit Design. By David J. Commer.
Electronics Devices. By Floyd
Electrical Installation Theory and Practice. By Dennelly E.L.
Electronics IV. By Dr. Green
Electronics II. By Ejinofor C.O.
Radio and Transmission âAâ. BY D.C. Green
Electronics e Fault Diagnosis. By Loveday.
The research discovered that this fays people normally have to address large gatherings data time and an efficient means of communication has to be used, if not, the message can not be heard by people at long range.
The researcher recommended that use of amplifier should be made effective so that people can address large gathering at a time so that were ever you are you will be communicated.
TABLE OF CONTENT
Title page certification
Certification
Acknowledgement
Abstract
Table of content
CHAPTER ONE:
Introduction
Preamble
1.2 Definition of terms .A.
CHAPTER TWO:
Description of components
2.1 power transformer
2.2 Resister
2.3 Capacitor
2.4 Integrated circuit
2.5 Semi conductor diodes
2.6 Transistors
CHAPTER THREE:
Power supply
3.1 Circuit diagram
3.2 Operation of transformer
3.3 Rectification and smoothening
CHAPTER FOUR:
Power amplifier
4.1 Power amplifier circuit
4.2 Biasing and stabilization
CHAPTER FIVE:
Coupling of circuit stage
5.1 The overall circuit diagram
5.2 Tone circuit
5.3 Coupling method
CHAPTER SIX:
Casing and packaging
6.1 Casing and packaging materials
6.2 Back connection
6.3 Conclusion
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