Design and Simulation of Patch Antenn1
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Design and Simulation of Patch Antenna Objective: To design and simulate a Patch antenna at 2.4 GHz using Agilent Advanced Design System. Design Specifications: Resonant Frequency f r = 2.4GHz Relative Dielectric Constant r = 4.6 Height of the substrate (H) = 1.6mm Notations Used: L Additional line length W Width f r Resonant Frequency reff Effective Dielectric Constant r Dielectric Constant H Height of the substrate h Depth of the feed l Length of the feed X,Y Feed point positions w Width of the feed Parameter Calculations: Width W = 1 2 2 r r f c = 1 6 . 4 2 10 * 4 . 2 * 2 10 * 3 9 8 = 37.35mm Effective Dielectric Constant 2 1 1 2 1 2 1 2 1 W H r r reff 2 1 3 3 10 * 35 . 37 10 * 6 . 1 12 1 2 1 6 . 4 2 1 6 . 4 = 4.2629
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Design and Simulation of Patch Antenna
Objective:
To design and simulate a Patch antenna at 2.4 GHz using Agilent Advanced Design
System.
Design Specifications:
Resonant Frequency f r = 2.4GHz
Relative Dielectric Constant r = 4.6
Height of the substrate (H) = 1.6mm
Notations Used:
L Additional line length
W Width
f r Resonant Frequency
reff Effective Dielectric Constant
r Dielectric Constant
H Height of the substrate
h Depth of the feed
l Length of the feedX,Y Feed point positions
w Width of the feed
Parameter Calculations:
Width W =1
2
2 r r f
c
=16.4
2
10*4.2*2
10*39
8
= 37.35mm
Effective Dielectric Constant
2
1
1212
1
2
1
W
H r r reff
2
1
3
3
10*35.37
10*6.1121
2
16.4
2
16.4
= 4.2629
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Additional Line Length
H
H
W
H
W
L
reff
reff
8.0258.0
264.03.0
412.0
mm L 6.1*
8.010*6.1
10*35.37258.02629.4
264.010*6.1
10*35.373.02629.4
412.0
3
3
3
3
= 0.73437mm
Length L f
c L
reff r
22
0.73437)(24.262910*4.2*2
10*3 9
8
= 28.80mm
Depth of the feed2
0.623555Lh
2
28.80*0.623555
mm979.8
Length of the feed4 g l
4
10*828.5 2
= 14.57mm
Feed point positions
mmW
Y 47.75
35.37
5
mmW
X 94.14
5
35.37*2
5
2
w is calculated from AWR Txline calculator with0
Z =50Ω
f r = 2.4GHz, r = 4.6, w = 2.96332
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Calculated Parameters:
W = 37.35mm
L = 0.73437mm
L = 28.80mm
h mm979.8 l = 14.57mm
Y = mm47.7
X = mm94.14
Geometry of the Square Patch Antenna:
W
Y L
h
l
X X
Layout Simulation procedure for Patch Antenna:
In the desktop environment click,
Start
Programs
HP Advanced Design System 1.1
Advanced Design System
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File New Project (Enter project name in default directory) Length Unit mm Ok
Ok.
A new project directory created and it opened a new schematic window. From the main menu,
click ‘New Layout Window’ icon and a new layout window is opened.
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