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ABSTRACT
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 or “P.A SYSTEM” is an electronic amplification system with a mixer ,amplifier and loudspeakers, used to reinforce a given sound , e.g a person making a speech, pre-recorded music ,or message and distributing the sound throughout a venue . 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’s output is 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 20W of electrical power into a 8 ohm load(loudspeaker).
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SIMILAR ELECTRICAL ENGINEERING FINAL YEAR PROJECT RESEARCH TOPICS
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1. ASSESSMENT OF CONSTRAINTS ON HUMAN RESOURCE DEVELOPMENT IN TECHNICAL AND VOCATIONAL EDUCATION IN ANAMBRA STATE
» ABSTRACT This study was designed to assess constraints on human resource development (HRD) in Technical vocational education. The study was designed t...Continue Reading »Item Type & Format: Project Material - Ms Word | 121 pages |
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2. SOLAR POWER GENERATION FOR INDIVIDUAL IN RURAL AREA CAN SOLVE THE PROBLEMS OF POWER IN THIS COUNTRY (NIGERIA).
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3. DETECTION AND CONTROL OF RELAY IF OVERVOLTAGE OCCURS
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4. MODELLING AND OPTIMIZATION OF A HYBRID ENERGY SYSTEM FOR GSM BASE TRANSCEIVER STATION SITES IN EMERGING CITIES
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5. CONSTRUCTION OF UNTERRUPTIBLE POWER SUPPLY
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6. DESIGN OF A LIGHT SWITCH THAT USES MOTION SENSOR
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7. HOME CONTROL SWITCH AUTOMATION USING GSM COMMUNICATION
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8. DESIGN AND INSTALLATION OF 200 WATT SOLAR POWER SYSTEM
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9. CONSTRUCTION OF RADIO FREQUENCY GSM SIGNAL JAMMER
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10. TECHNOLOGY AND ECONOMIC DEVELOPMENT IN NIGERIA: CHALLENGES AND PROSPECTS
» CHAPTER ONE 1.0 INTRODUCTION 1.1 BACKGROUND The world’s economies have over the last few decades, undergone dramatic transformation as nations striv...Continue Reading »Item Type & Format: Project Material - Ms Word | 50 pages |
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