This work is on a wireless amplifier. It has become inevitable that there would be communication and due to the inherent limitation of the human voice, the public address system came to being. A public address public address system (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to address a large public, for example for announcements of movements at large and noisy air and rail terminals. Public addressing system is often used in small venues such as school auditoriums, churches, and small bars. PA systems with many speakers are widely used to make announcements in public, institutional and commercial buildings and locations. Intercom systems, installed in many buildings, have microphones in many rooms allowing the occupants to respond to announcements.
The voice signal is passed through a microphone, which converts the sound energy to electrical energy; the energy electrical signal being transmitted is been received and amplified by the amplifier circuit. The amplifier output fed into the loudspeaker which converts the electrical energy back to the original form but amplified sound energy. This project is made up of the power supply unit, the pre-amplifier and power amplifier units, and the tone control unit. This system is capable of delivering electrical power into an 8 ohm load (loudspeaker).
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRCT
TABLE OF CONTENT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
1.2 PROBLEM STATEMENT
1.3 AIM/OBJECTIVE OF THE PROJECT
1.4 SIGNIFICANCE OF THE PROJECT
1.5 APPLICATION OF THE PROJECT
1.6 LIMITATION OF THE PROJECT
1.7 SCOPE OF THE PROJECT
1.8 PROJECT JUSTIFICATION
1.9 PROJECT ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
2.0 LITERATURE REVIEW
2.1 REVIEW OF PUBLIC ADDRESSING SYSTEM
2.2 HISTORICAL BACKGROUND OF PUBLIC ADDRESSING SYSTEM
2.4 DIFFERENT TYPES PUBIC ADDRESSING SYSTEM
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 BLOCK DIAGRAM OF THE SYSTEM
3.2 CIRCUIT DIAGRAM
3.3 CIRCUIT DESCRIPTION
3.4 SYSTEM OPERATION
3.5 DESCRIPTION OF MAJOR COMPONENTS USED
CHAPTER FOUR
4.1 RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE AND TESTING
4.2 CASING AND PACKAGING
4.3 ASSEMBLING OF SECTIONS
4.4 TESTING OF SYSTEM OPERATION
4.5 COST OF PRODUCTION
CHAPTER FIVE
5.1 CONCLUSIONS
5.2 RECOMMENDATION
5.3 REFERENCES
Design And Construction Of A Rechargeable Wireless Public Address System. (n.d.). UniTopics. https://www.unitopics.com/project/material/design-and-construction-of-a-rechargeable-wireless-public-address-system/
“Design And Construction Of A Rechargeable Wireless Public Address System.” UniTopics, https://www.unitopics.com/project/material/design-and-construction-of-a-rechargeable-wireless-public-address-system/. Accessed 20 September 2024.
“Design And Construction Of A Rechargeable Wireless Public Address System.” UniTopics, Accessed September 20, 2024. https://www.unitopics.com/project/material/design-and-construction-of-a-rechargeable-wireless-public-address-system/
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