Patch Antenna Design
EE144/245 Spring 2007H. Miranda
2
Patch Antenna Characteristics
AdvantagesCompactConformalGood efficiencyEasy to produce arrays
DisadvantagesVery narrow bandNon omnidirectional patterns
3
Antenna Layout
h < 0.02 λg
4
Equivalent Circuit
5
Design Equations
(not critical)
6
Example: 3 GHz AntennaSubstrate: Duroid 5880 (εr = 2.2, h=30 mils)
7
Example
8
Radiation Patterns
9
Bandwidth performance
10
Directivity performance
11
Efficiency performance
12
Other Feeding Methods
13
Circular Polarization
14
Phased arrays
15
Phased Array Design
16
Phased array example (16x16)
Top Related