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DESIGN AND CONSTRUCTION OF A TRANSMITTER

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ABSTRACT

This project as the name implies is chosen, designed and constructed with the intention of transmitting information such as musicals news entertainments programs and so on.

And all these that are written above are being transmitted to the atmosphere using an electromagnetic, signal, and this particular project design and construction is exactly the type of electronics, instrument that are mainly used in a Radio Broadcasting House or Studio all over the world and ever in a communication place.

This project was achieved using these electronics components like electrolytic capacitors for smoothing, resistors for current Oppositions, Bipolar transistors frequency transistor), Trank Circuit with a variable capacitor and a variable or adjustable induction connecting worries Vero board for circuit connection switch a transmitting Antenna which sends the signal to the air when connected, light emitting Diodes for power indication.

And in conclusion improvement or modification of this project was possible so that it’s efficiency will be increased.

TABLE OF CONTENTS

Title Page

Approval Page

Dedication

Acknowledgements

Table of Contents

CHAPTER ONE INTRODUCTION

CHAPTER TWO

2.0 Transmission

2.1 Modulation

2.2 Amplitude Modulation

2.3 Frequency Modulation

2.4 Block Diagram of Simple Transmitter

2.5 Need for Modulation  

CHAPTER THREE

3.0 FM Modulation

3.1 Method of Generating and Detecting FM

3.2 Frequency Modulated Side and Band

CHAPTER FOUR

4.0 FM Transmitter

4.1 Function of the FM Transmitter

4.2 Block Diagram on

4.3 The FM Transmitter

4.4 The Main Circuit Diagram of the FM Transmitter

4.5 The List of the Component Used

4.6 Function of the Component in the Project

CHAPTER FIVE

5.0 Power Supply

5.1 The Problem Encountered During Construction

5.2 Cost Analysis Conclusion

References

CHAPTER ONE

INTRODUCTION

In the world today, the scientific and technological progress of any nation depends on it’s ability to measure, calculate and finally, estimate the unknown. Also, the success of an engineer or technician is judged by his ability ti measure precisely and to correctly interpret the circuit performance. So as the world goes computerized, the need of electronic mostly become very important to human being, in the sense that we need to have the knowledge and it’s basic principle for a better living in the society.

Our satisfaction mostly depend on the so called electronics, for instance, one can communicate with another person elsewhere through the work of telephone. Again, information can be transmitted by means of a microphone which accept the audio frequency, usually of low frequency which inturn being raised to a high frequency with the help of carrier wave to reach a receiver at a very distance destination.

The study of electronics also involves the studying on how electrons moves invisibly. By its definition, Electronics is the study of science and Technology of Electronics Phenomena and System such as Radio, Computer, Television etc.

Finally, in view of our project topic, it works electronically and transmit voices or sound that makes sense to listeners at a very distance destination.


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