The design and construction of mini radio broadcast transmitter and audio console using frequency modulation (fm) with power rating of 1 watt

• <p> </p><p>Title page</p><p>Approval page</p><p>Declaration </p><p>Dedication</p><p>Acknowledgement</p><p>Abstract</p><p>Table of content</p><p>List of diagram/figures</p><p>Introduction</p><p><b>

Chapter ONE

INTRODUCTION

• </b></p><p><b>TRANSMITTER FUNDAMENTALS AND TYPES OF MODULATION</b></p><p>
• 1.1Transmitters fundamental</p><p>
• 1.2Modulations (analog and digital)</p><p>
• 1.3Amplitude modulation</p><p>
• 1.4Frequency modulation</p><p>
• 1.5Method of fm</p><p>
• 1.6Modulation overview</p><p>
• 1.61&nbsp; Basic reactance modulator</p><p>
• 1.62Theory of reactance modulator </p><p>
• 1.70Types of reactance modulator</p><p>1.
• 7.1Varacto diode modulator</p><p><b>

Chapter TWO

LITERATURE REVIEW

• </b></p><p><b>AMPLIFIER EXPLANATIONS</b></p><p>
• 2.10Amplifier explanations</p><p>
• 2.20Class of amplifier</p><p>
• 2.21Class of amplifier</p><p>
• 2.22Class B amplifier </p><p>
• 2.23Class AB amplifier</p><p>
• 2.24Class c amplifier</p><p>
• 2.30Oscillators</p><p>
• 2.31Types of oscillators </p><p><b>

Chapter THREE

RESEARCH METHODOLOGY

• .0 </b></p><p><b>TRANSMISSION LINE</b></p><p>
• 3.10FUNDAMENTALS</p><p>
• 3.30Types of transmission lines</p><p>
• 3.31Rectangular wave guide</p><p>
• 3.32Circular wave guide </p><p>
• 3.33Ridge Wave guide</p><p>
• 3.34Optical fiber</p><p><b>

Chapter FOUR

DATA PRESENTATION AND ANALYSIS

• </b></p><p><b>POWER SUPPLY</b></p><p>
• 4.1Stages of power supply</p><p>
• 4.2&nbsp;Audio console power supply</p><p>
• 4.3Transmitter power supply design</p><p><b>

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

• </b></p><p><b>AUDIO CONSOLE UNIT</b></p><p>
• 5.1Audio console transducer</p><p>
• 5.2Audio console pre-amp stage</p><p>
• 5.3Audio console power amp stage</p><p>
• 5.4Audio console control/mixer</p><p>
• 5.5The operation of the audio console</p><p><b>CHAPTER 6 </b></p><p><b>TRANSMITTER AND ANTENNA DESIGN</b></p><p>
• 6.1Oscillator stage design for transmitter</p><p>
• 6.2Buffer/power amplifier design</p><p>
• 6.3Tank circuit design</p><p>
• 6.4Antenna design</p><p>
• 6.41Types of antenna and application</p><p>
• 6.42&nbsp; &nbsp;Antenna matching network</p><p>
• 6.43&nbsp; &nbsp;Antenna design</p><p><b>CHAPTER 7 </b></p><p><b>COMPONENT DESCRIPTION AND CONSTRUCTION </b></p><p>
• 7.10&nbsp; &nbsp;LM 386-power amplifier</p><p>
• 7.11Capacitor</p><p>
• 7.12Transistor</p><p>
• 7.2&nbsp; Specification</p><p>
• 7.3Construction and soldering</p><p>
• 7.4Precautions taken during soldering</p><p>
• 7.5Troubleshooting</p><p>
• 7.6Transmitter strip board</p><p>
• 7.7Audio console strip board</p><p><b>RECOMMENDATION</b></p><p><b>CONCLUSION</b></p><p><b>REFERENCE:</b></p><p><b>LIST OF FIGURES AND DIAGRAM</b></p><p>Fig
• 1.4&nbsp;Information signal</p><p>Fig
• 1.62&nbsp;Reactance modulator circuit</p><p>Fig
• 1.7&nbsp;Reactance modulator elements</p><p>Fig
• 1.7Diagram of transistor reactance modulator</p><p>Fig
• 1.8Varactor diode modulator</p><p>Fig
• 2.1&nbsp;Amplifier configuration</p><p>Fig
• 2.21Class a wave form representation</p><p>Fig
• 2.22Voltage current characteristic of class b amp</p><p>Fig
• 2.3Block diagram of an oscillator</p><p>Fig
• 3.2Balanced line</p><p>Fig
• 3.22Unbalanced wire – line</p><p>Fig
• 3.3&nbsp;Method of wave propagation in a waveguide</p><p>Fig
• 3.31Te10 mode in a rectangular waveguide</p><p>Fig
• 3.32&nbsp;Circular waveguide</p><p>Fig
• 3.33&nbsp;Rectangular waveguide/ ridge</p><p>Fig
• 3.4Optical fiber cable</p><p>Fig
• 4.1Power supply block diagram</p><p>Fig
• 4.2Audio console power supply regulator</p><p>Fig
• 4.3Transmitter power supply </p><p>Fig
• 5.2&nbsp;Audio console pre-amp</p><p>Fig
• 5.3Audio console power amp</p><p>Fig
• 5.4Audio console control/ mixer</p><p>Fig
• 6.1Oscillator stage</p><p>Fig
• 6.2Buffer amp/power amp</p><p>Fig
• 6.3Tank circuit</p><p>Fig
• 6.42Antenna matching network</p><p>Fig
• 7.1LM 386 (power amp)</p><p>Fig
• 7.11Capacitor</p><p>Fig
• 7.12Transistor</p><p>Bill of quantity </p><p>Block diagram of audio console</p><p>Block diagram of transmitter</p><p>Audio console schematic</p><p>Transmitter schematic</p><p>Transmitter casing </p><p>Audio console casing</p> <br><p></p>