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LIST OF FIGURES
Figure Page
1.1. Basic Structure of Patch Antenna 2
2.1. Antenna as a Transition Device 5
2.2. Wire Antenna Configuration 6
2.3. Aperture Antenna Configurations 6
2.4. Microstrip Patch Antenna 7
2.5. Typical Wire, Aperture and Microstrip Array Configuration 8
2.6. Typical Reflector Configuration 9
2.7. Typical Lens Antenna Configurations 10
2.8. Two-dimensional Normalized Field Pattern (linear scale),Power Pattern 12
(in linear scale) and Power Pattern (in dB)
2.9. Radiation Pattern of Antenna 13
2.10. Principal E- and H-plane patterns for a Pyramidal Horn Antenna 14
2.11. Omnidirectional Antenna Pattern 14
2.12. Field Regions of an Antenna 17
2.13. Three and Two Dimensional of Beamwidth in Power Pattern 18
2.14. Bandwith of an Antenna 20
2.15. Rotation of a Plane electromagnetic Wave and 21
its Polarization Ellipse atz=0 as a Function of Time.
2.16. Reference Terminals and Losses of Antenna 23
3.1. Basic Configuration of Microstrip Patch Antenna 25
3.2. Various Patch Patterns used for Microstrip Patch Antenna 26
3.3. Microstrip Antenna and Coordinate System 28
3.4. Microstrip Line Feed 30
3.5. Probe feed Rectangular Microstrip Patch Antenna 31
3.6. Aperture - coupled Feed 32
3.7. Proximity-coupled Feed 33
3.8. Microstrip Line and its Electric Lines, and effective dielectric 35
constant geometry
3.9. Rectangular Microstrip Patch Antenna 36
3.10. Electric Field Lines of Patch Antenna 37
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3.11. Geometry of Circular Microstrip Patch Antenna 39
4.1. Geometry of rectangular Microstrip Patch Antenna 42
4.2. Physical Dimension of Rectangular Patch Antenna with 45
Microstrip Feed Line
4.3. Cross Section of Coaxial Cable 47
4.4. Physical Dimension of Rectangular Microstrip Patch Antenna with 47
Coaxial feed
4.5. Optimized Dimension of Patch Antenna with Microstrip Line Feed 48
4.6. Physical Dimension of Rectangular Microstrip Patch Antenna with 49
Coaxial feed
4.7. Return Loss, Calculated Result for 2.4GHz band before Optimizing 49
4.8. Optimized Result for 2.4GHz band with Microstrip Line Feed 49
4.9. VSWR, Calculated Result for 2.4GHz band before Optimizing 50
4.10. Optimized Result for 2.4GHz band with Microstrip line feed 50
4.11. Polar Form, Calculated Result for 2.4GHz band before Optimizing 50
4.12. Optimized Result for 2.4GHz band with Microstrip line feed 50
4.13. Calculated Farfield Pattern 3D form of directivity for 51
2.4GHz band before Optimizing
4.14. Optimized Farfield Pattern 3D form of Directivity for 51
2.4GHz band with Microstrip Line Feed
4.15. Electric Field Pattern with Microstrip Line Feed 51
4.16. Magnetic Field Pattern with Microstrip Line Feed 52
4.17. Return Loss, Calculated Result for 2.4GHz band before Optimizing 52
4.18. Optimized Result for 2.4GHz band with Coaxial Feed 52
4.19. VSWR, Calculated Result for 2.4GHz band before Optimizing 52
4.20. Optimized Result for 2.4GHz band with Coaxial Feed 53
4.21. Polar Form, Calculated Result for 2.4GHz band before Optimizing 53
4.22. Optimized Result for 2.4GHz band with Coaxial Feed 53
4.23. Electric field pattern with Coaxial Feed 53
4.24. Magnetic field pattern with Coaxial Feed 54
4.25. Practical Work Patch Antenna for 2.4GHz with Microstrip Line Feed 54
4.26. Practical Work Patch Antenna for 2.4GHz with Coaxial Feed 55
4.27. Signal Generator for Patch Antenna with Microstrip Line Feed 55
4.28. Patch Antenna with Coaxial Feed in Spectrum Analyzer 56
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4.29. Testing Result of Patch Antenna with Coaxial Feed 56
in spectrum Analyzer
4.30. Signal Generator for Patch Antenna with Coaxial Feed 57
4.31. Patch Antenna with Microstrip Line Feed in Spectrum Analyzer 57
4.32. Testing Result of Patch Antenna with Microstrip Line Feed 57
in Spectrum Analyzer
