DESIGN AND CONSTRUCTION OF HOME AUDIO AMPLIFIER

 

ABSTRACT

The topic of this project is ” Audio Amplifier”. 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 “A”. 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

2.5 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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