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TITLE PAGE
DESIGN AND CONSTRUCTION OF A SINGLE STAGE AMPLIFIER
BY
---
--/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---
DECEMBER,2018
APPROVAL PAGE
This is to certify that the research work, "design and construction of a single stage amplifier" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
By
--- . ---
Supervisor Head of Department.
Signature………………. Signature……………….
……………………………….
---
External Invigilator
DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.
PROJECT DESCRIPTION: This work "design and construction of a single stage amplifier" research material is a complete and well researched project material strictly for academic purposes, which has been approved by different Lecturers from different higher institutions. We made Preliminary pages, Abstract and Chapter one of "design and construction of a single stage amplifier" visible for everyone, then the complete material on "design and construction of a single stage amplifier" is to be ordered for. Happy viewing!!!
An amplifier is an electronic device that amplifies the weak signal or increases the strength of a weak signal. It can either be a separate piece of equipment or an electrical circuit contained within another device. Today, every device or circuit, be it analog or digital requires signal amplification at one level or the other during their functioning. Considering the most basic amplifiers i.e. single-stage amplifiers which are the basic building block of all the amplifiers, be it a multi-stage amplifier or a differential amplifier. When in an amplifier circuit only one transistor is used for amplifying a weak signal, the circuit is known as single stage amplifier. The main aim of this study is to build such an amplifier.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRCT
TABLE OF CONTENT
CHAPTER ONE
- INTRODUCTION
- AIM AND OBJECTIVE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- PROBLEM AND LIMITATION OF THE PROJECT
- PURPOSE OF THE PROJECT
- APPLICATIONS OF THE PROJECT
- PROJECT ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
2.0 LITERATURE REVIEW
2.1 OVERVIEW OF BIPOLAR JUNCTION TRANSISTOR
2.2 AMPLIFIER CONFIGURATIONS
2.4 TYPES OF BIPOLAR JUNCTION TRANSISTOR
2.5 HISTORICAL BACKGROUND OF BIPOLAR TRANSISTOR
2.5 THEORY AND MODELING
CHAPTER THREE
DESIGN METHODOLOGY
3.1 CIRCUIT DIAGRAM
3.2 COMPONENTS USED
3.3 CRICUIT OPERATION AND DESCRIPTION
3.4 DESCRPTION OF COMPONENT USED
CHAPTER FOUR
RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE AND TESTING
4.2 CASING AND PACKAGING
4.3 ASSEMBLING SECTION
4.4 TESTING OF SYSTEM OPERATION
4.5 INSTALLATION OF THE COMPLETED DESIGN
4.6 RESULT ANALYSIS
CHAPTER FIVE
5.0 SUMMARY, RECOMMENDATION AND REFERENCES
- CONCLUSION
- RECOMMMENDATION
5.3 REFERENCES
CHAPTER ONE
1.1 INTRODUCTION
An amplifier is an electronic device which is used to increase or improve the strength of a weak signal without altering the basic characteristics of the signal [1]. The block diagram of an amplifier circuit with an input and an output is shown in figure 1 (in chapter three). Here, at input end of the amplifier a weak signal is fed and a strong or amplified signal is received at output end. During this whole process of amplification, amplifier circuit utilizes the electric power from power supply for amplifying the signal. Amplifiers can be classified on several basis but considering here the classification based on the number of stages it can be classified into two broad categories: single-stage amplifiers and differential amplifiers. Single-stage amplifiers can further classified into three basic topologies namely common source (CS), common gate (CG), common drain (CD).
In this work, single stage amplifier was designed with 2N2222A transitor using Common Emitter (CE) configuration.
1.2 AIM AND OBJECTIVE OF THE PROJECT
The aim of this work is to design an amplifier using a single bipolar transistor in a common emitter (ce) configuration.
At the end of this work, the student involved will be able to:
- Understand the operation of bipolar junction transistor.
- Know the pin-out and pin functions of the bipolar junction transistor
- Design an amplifier circuit.
1.3 SIGNIFICANCE OF THE PROJECT
The following are the advantages of single stage amplifier:
- The single stage RC coupled CE amplifier is most convenient and least expensive amplifier.
- It provides high audio fidelity.
- It has low amplitude distortion.
- It provides low frequency distortion.
- It has wide frequency response and large bandwidth.
1.4 PROBLEMS AND LIMITATION OF THE PROJECT
However, the following are some of the problems of the project-
- It has a very complex base control. Hence, it may lead to confusion and hence, requires skilful handling.
- The switching time is not very fast compared to the high alternating frequency of voltage and current source.
- The voltage gain reduces at low as well as high frequencies.
- It provides poor impedance matching and hence it cannot be used as a final stage of an amplifier.
- It has a tendency to become noisy with age especially in moist climate.
- PURPOSE OF THE PROJECT
The purpose of this work is to amplify a weak signal using a transistor only.
APPLICATIONS OF THE PROJECT
- The single stage RC coupled CE amplifier is commonly used as a voltages amplifier.
- It is used in the initial stages of PA (public address) amplifier systems.
- It is used in stereo amplifier.
- It is used in radio and television receivers.
- It is used in tape recorder, CD players, VCRs, DVD players, etc.
1.7 RESEARCH QUESTION
What is the use of single stage amplifier?
What is single stage CE amplifier?
What is the purpose of single stage amplifier?
What are the advantages and disadvantages of single stage amplifiers?
What is the difference between single stage and multistage amplifier?
What is the function of an amplifier?
1.8 PROJECT WORK ORGANISATION
The various stages involved in the development of this project have been properly put into five chapters to enhance comprehensive and concise reading. In this project thesis, the project is organized sequentially as follows:
Chapter one of this work is on the introduction to the study. In this chapter, the background, significance, objective limitation and problem of the study were discussed.
Chapter two is on literature review of the study. In this chapter, all the literature pertaining to this work was reviewed.
Chapter three is on design methodology. In this chapter all the method involved during the design and construction were discussed.
Chapter four is on testing analysis. All testing that result accurate functionality was analyzed.
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "design and construction of a single stage amplifier" is also available. Order full work to download. Chapter two of "design and construction of a single stage amplifier" consists of the literature review. In this chapter all the related work on "design and construction of a single stage amplifier" was reviewed.
CHAPTER THREE: The complete chapter three of "design and construction of a single stage amplifier" is available. Order full work to download. Chapter three of "design and construction of a single stage amplifier" consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of "design and construction of a single stage amplifier" is available. Order full work to download. Chapter four of "design and construction of a single stage amplifier" consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of design and construction of a "design and construction of a single stage amplifier" is available. Order full work to download. Chapter five of "design and construction of a single stage amplifier" consist of conclusion, recommendation and references.
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