TABLE OF CONTENT PAGE
ABSTRACT i
ABSTRAK ii
ACKNOWLEDGEMENT iii
LIST OF TABLES iv
LIST OF FIGURES v
LIST OF SYMBOLS x
LIST OF PUBLICATIONS xii
Chapter 1 INTRODUCTION
1.1 Project overview
1.2 Problem statements
1.3 Objectives
1.4 Scopes of project
1.5 Contribution of Project
1.6 Thesis structure
1.7 Summary
1 4
5 5
5 5
6
Chapter 2 LITERATURE REVIEW
2.1 Introduction
2.2 Enhanced Qu Passive Notch Filters
2.3 Perfectly-matched concept lossy allpass network
2.4 Selectivity
2.5 Dual mode resonator bandstop filter
7 9
10 13
13
xii
2.5.1 Dual mode ring resonator bandstop filter
2.6 Review of Switchable Filter
2.7 PIN diode
2.7.1 Fundamental
2.7.2 PIN Diode Application
2.8 Summary
13 15
17 17
18 19
Chapter 3 METHODOLOGY
3.1 Introduction
3.2 Flowchart
3.2.1 Literature review
3.2.2 Design and simulation of matched bandstop filter
3.2.3 Optimization and fabrication
3.2.4 Measurement and analysis
3.3 The design of resonator
3.4 Matched bandstop filter design
3.4.1 Perfect notch concept
3.4.2 Design specification
3.5 Simulation
3.6 Hardware design
3.6.1 Generate mask on transparency
3.6.2 Photo exposure process
3.6.3 Etching in developer solution
3.6.4 Etching in ferric chloride
3.6.5 Measurement
20 21
22 22
22 23
23 22
24 25
25 26
26 27
27 27
28 xiii
3.7 Filter design
3.8 Design of matched bandstop filter
3.9 Switchable matched bandstop filter
3.9.1 Switchable filter using biasing line
3.9.2 Switchable filter using RF chokeinductor
3.10 Design of dual mode ring resonator matched bandstop filter
3.10.1
Switchable Dual Mode Ring Resonator Matched Bandstop Filter using Biasing Line
3.10.2
Switchable Dual Mode Ring Resonator Matched Bandstop Filter using an RF choke inductor
3.11 Analysis of filter circuits simulation using PIN diode
3.12 Summary
28 29
29 30
31 32
33
34
35 38
Chapter 4 RESULT AND DISCUSSION
4.1 Design specification
4.2 Simulation result
4.2.1 Design of matched bandstop filter
4.2.2 Switchable matched bandstop filter
4.2.2.1 Switchable using biasing line
4.2.2.2 Switchable using RF chokeinductor
4.2.3 Design of dual mode ring resonator matched bandstop filter
4.2.3.1 Switchable using biasing line
4.2.3.2 Switchable using RF chokeinductor
4.3 Fabrication result
4.3.1 Switchable matched bandstop filter biasing line
39 39
39 41
41 42
42 43
44 45
45 xiv
4.3.2 Switchable matched bandstop filter RF chokeinductor
4.3.3 Comparison of Switchable matched bandstop filter using
biasing line and RF chokeinductor 4.3.4
Switchable dual mode ring resonator matched bandstop filter using biasing line
4.3.5 Switchable dual mode ring resonator matched bandstop
filter using RF chokeinductor 4.3.6
Comparison of simulation and fabrication for reconfigurable dual mode ring resonator matched bandstop filter
4.4 Summary 46
48
50
51
54
55
Chapter 5 CONCLUSION AND RECOMMENDATIONS FOR FUTURE