Project Introduction Balanced Mixer Design For Wimax Tranceiver Application.

TABLE OF CONTENTS CHAPTER CONTENT PAGE PROJECT TITLE i AUTHOR DECLARATION ii SUPERVISOR DECLARATION iii ACKNOWLEDGEMENT iv ABSTRACT v ABSTRAK vi TABLE OF CONTENTS vii LIST OF FIGURE x LIST OF TABLE xi LIST OF ABBREVIATION xii LIST OF APPENDIX xiv I INTRODUCTION

1.1 Project Introduction

1 1.2 Objective 2 1.3 Problem Statements 2 1.4 Scope of Work 2

1.5 Project Methodology

5 1.6 Expected Result 7 II LITERATURE REVIEW 2.1 WiMAX Overview 9 2.2 Mixer Overview 2.3.1 Introduction 10 2.3.2 Operation 12 2.3.3 Application 13 2.3 Mixers and Their Topologies 2.3.1 Single-Ended Mixer 14 2.3.2 Single Balanced Mixer 15 2.3.3 Double Balanced Mixer 16 2.4 Mixers Parameters 2.4.1 Dynamic Range 17 2.4.2 Conversion Loss 17 2.4.3 Conversion Gain 19 2.4.4 Isolation 20 2.4.5 Linearity 20 2.4.6 Return Loss 21 2.5 Quadrature Hybrid Coupler Basic 22 2.6 Advance Design System ADS 25 III PROJECT METHODOLOGY 3.1 Chapter Overview 26 3.2 Project Methodology 27 3.2 Project Planning 28 3.3 Project Description 30 3.4 Methodology 31 3.5.1 Hybrid Coupler 32 3.5.2 Bandpass Filter 36 3.5.2 Bandpass Filter 37 VI RESULT AND DISCUSSION 4.1 Chapter Overview 39 4.2 Quadrature Hybrid Coupler 40 4.3 Bandpass Filter 45 4.4 Single Balanced Mixer 47 V CONCLUSION AND RECOMMENDATION 5.1 Conclusion 50 5.2 Recommendation 51 VI REFERENCES xiii LIST OF FIGURE NO TITLE PAGE 1.1 Project Scope of Work 3 1.2 Project Flow Chart 6 2.1 WiMAX System 10 2.2 Mixer Symbol 11 2.3 Mixer Block Diagram 12 2.4 Types of Mixer 14 2.5 System Block Diagram 16 2.6 1dB Compression 19 2.7 Basic Configuration of Hybrid Coupler 23 3.1 Project Flow Chart 28 3.2 Mixer Block Diagram 31 3.3 Branch Line Coupler 32 3.4 Coupler Schematic 35 3.5 Coupler Microstrip Layout 35 3.6 Bandpass Filter Schematic 36 3.7 Bandpass Filter Microstrip Layout 37 3.8 Layout of Mixer 37 3.9 Microstrip Mixer Circuit 38 4.1 Coupler Frequency Response Graph Bef. Opt. 40 4.2 Coupler Frequency Response Graph Aft. Opt. 41 4.3 Coupler Port Linearity Graph 41 4.4 Bandpass Filter S11 and S12 Result Graph 45 4.7 Simulation Result of Mixer 47 4.8 Simulation Result for Return Loss 48 4.9 Measurement Result for Return Loss 48 LIST OF TABLE NO TITLE PAGE 1.1 Expected Result for Single Balanced Mixer 7 3.1 Mixer Parameter 30 4.1 Coupler Port Loss Result Data 42 4.2 Coupler Result Comparison 43 4.3 Comparison Value of Coupler Dimension 43 4.4 Comparison of Coupler Result 44 4.5 BPF Result Comparison 46 4.6 Bandpass S11 and S12 Result Data 46 4.7 Mixer Result Comparison 49 LIST OF ABBREVIATION WiMAX - Worldwide Iteroperability for Microwave Access LTE - Long-Term Evolution MAN - Metropolitan Area Network ADS - Advanced Design System AGC - Automatic Gain Control OFDMA - Orthogonal Frequency Division Multiple Access DC - Direct Current PSM - Projek Sarjana Muda RF - Radio Frequency LO - Local Oscillator IF - Intermediate Frequency AM - Amplitude Modulation dB - Decibel VSWR - Voltage Standing Wave Ratio BPF - Bandpass Filter SMIC - Semicoductor Manufacturing International Corporation CMOS - Complementary Metal-Oxide Semiconductor RFIC - Radio Frequency Integrated Circuit IEEE - Institute of Electrical and Electronic Engineers LIST OF APPENDIX NO TITLE PAGE A Datasheet BAT60A xvi B Gantt Chart for PSM I xxii C Gantt Chart for PSM I xxii CHAPTER I INTRODUCTION

1.1 Project Introduction