LIST OF FIGURE
NO TITLE
PAGES
2.1 Examples of frequency response of a High-pass
5 Filter b Low-pass Filter c Band-pass Filter
d Band-stop Filter
2.2 Block diagram of image parameter method
14 2.3
Block diagram of insertion loss method 15
2.4 Frequency response of Butterworth and Chebyshev
17
2.5 Low pass filter prototype
17
2.6 A generalized Chebyshev low-pass prototype filter having 18
three transmission zeros at infinity and N-3 at a finite frequency b The dual
2.7 The generalized Chebyshev insertion-loss response
19 2.8
a Microstrip line b Electric and magnetic field 20
distribution in the microstrip line 2.9
Suspended substrate stripline technology 21
2.10 RO4000 Series Materials Dielectiec Constant vs Frequency 24
2.11 RO4000 Series Materials Dielectric Constant vs Frequency 25
3.1 Project flow chart
28 3.2
4
th
degree Chebyshev capacitively coupled bandpass filter 32 3.3
Simulated response of the 4
th
degree Chebyshev 32
capacitively coupled bandpass filter 3.4
A generalized Chebyshev low-pass prototype filter having 34 three transmission zeros at infinity and N-3 at a finite
frequency
3.5 7
th
degree generalized Chebyshev low pass prototype 34
3.6 Richard‟s transformation of lumped elements
39 4.1
Equivalent circuit of the 7
th
order generalized Chebyshev 45 low-pass filter
4.2 Simulated frequency response of the 7
th
order generalized 45 Chebyshev low-pass filter
4.3 Circuit of 7
th
order generalized Chebyshev low-pass 46
distributed filter 4.4
Simulated frequency response of the 7
th
order generalized 46 Chebyshev low pass distributed filter
4.5 Open and short circuited stubs design
47 4.6
Frequency response of stubs circuit 47
4.7 Generated layout using ADS Momentum
48 4.8
Simulation result of momentum layout 48
4.9 3D visualization using ADS Momentum
49 4.10
End product of 7
th
Chebyshev Lowpass Filter 49
4.11 Measurement result using network analyzer
50
NOMENCLATURE
ADS Advanced Design System
GHz Giga Hertz
MHz Mega Hertz
IEEE Institution of Electrical and Electronic Engineer
IL Insertion Loss
P
LR
Power Loss Ratio RL
Return Loss RF
Radio Frequency TEM
Transverse Electromagnetic Wave UWB
Ultra Wideband
SYMBOLS
Percentage Pi
λ Wavelength
Ω Ohm
Propagation Constant C
Capacitance dB
Decibel f
c
Cut-off frequency k
Constant l
Length of stub L
Inductance m
M-derived Constant N
Number of order n
Number of order S
11
Return Loss S
21
Insertion Loss Z
o
Characteristic impedance
CHAPTER 1
INTRODUCTION
1.0 Introduction
