ECE403 Chapter 4 Antennas Types PDF

ECE403: Microwave Engineering Dr. Ahmed Hamdy Electrical Engineering Department, Fayoum University [email protected] Chapter 4: Antennas and Radiation  ECE403: Microwave Engineering Chapter 3 1. Review of Basic...

ECE403: Microwave Engineering Dr. Ahmed Hamdy Electrical Engineering Department, Fayoum University [email protected] Chapter 4: Antennas and Radiation  ECE403: Microwave Engineering Chapter 3 1. Review of Basic Concepts in RF/Microwave Engineering A. Steady Electric and Magnetic Fields B. Time-varying Fields and Maxwell’s Equations C. Microwaves Fundamentals 2. Transmission Line Theory 3. Passive Microwave Devices A. Two-Port Networks B. Power Dividers and Couplers C. Microwave Filters 4. Antennas and Radiation A. Antenna Principles B. Antenna Parameters C. Friis Formula D. Antenna Arrays E. Antenna Types  ECE403: Microwave Engineering Text Books: 1. W. H. Hayt, Jr. and J. A. Buck, Engineering Electromagnetics, 8th edition ISBN 978-0-07-802815-1 2. D. M. Pozar, Microwave Engineering, 4th Edition, John Wiley & Sons Inc., 2012. ISBN 0-470631553. 3. C. A. Balanis, Antenna Theory, 3rd Edition,John Wiley & Sons Inc., ISBN: 0-471-66782-X  Chapter 4: Antennas and Radiation Chapter 4 Contents: 4.5 Antenna Types 4.5.1 Resonant Antennas 4.1 Antenna Principles 4.5.1.1 Wire Antennas 4.1.1 Introduction 4.5.1.1.1 Dipole 4.1.2 Antenna Radiation Mechanism 4.5.1.1.2 Monopole 4.1.3 Antennas Classi cations 4.5.1.1.3 Folded dipole 4.2 Antenna Parameters 4.5.1.1.4 Yagi Antenna 4.2.1 Return Loss and bandwidth 4.5.1.1.5 Loop Antenna 4.2.2 Radiation Pattern 4.5.1.1.6 IFA Antenna 4.2.3 Directivity 4.5.1.2 Slot Antennas 4.2.4 Gain 4.5.1.3 Patch Antennas 4.2.5 E ciency 4.5.1.3 Microstrip Antenna 4.2.6 Polarization 4.5.1.3 PIFA Antenna 4.3 Friis Formula 4.5.2 Wideband Antennas 4.4 Antenna Arrays 4.5.2.1 Horn Antenna 4.5.2.2 Re ector Antenna 4.5.2.3 Helical Antenna 4.5.2.4 Spiral Antenna ffi fl fi  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.1 Dipole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.1 Dipole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.1 Dipole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.1 Dipole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.1 Dipole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.1 Dipole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.2 Monopole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.2 Monopole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.2 Monopole Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.3 Folded Dipole Antenna Characteristic impedance of about 300 ohms.  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.4 Yagi Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.4 Yagi Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.4 Yagi Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.5 Loop Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.5 Loop Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.6 IFA Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 1. Wire Antennas 1.6 IFA Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 2. Slot Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 2. Slot Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 3. Patch Antennas  Chapter 4: Antennas and Radiation 4.5 Antenna Types 3. Patch Antennas Feeding Techniques Radiation Mechanism  Chapter 4: Antennas and Radiation 4.5 Antenna Types 3. Patch Antennas  Chapter 4: Antennas and Radiation 4.5 Antenna Types 3. Patch Antennas PIFA Antenna Patch Antenna PIFA Antenna  Chapter 4: Antennas and Radiation 4.5 Antenna Types 3. Patch Antennas PIFA Antenna PIFAs PIFA Monopole  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.1 Horn Antennas  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.1 Horn Antennas  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.2 Re ector Antennas fl  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.2 Re ector Antennas fl  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.2 Re ector Antennas Largest Antenna in the World Five-hundred-meter Aperture Spherical Telescope (FAST) fl  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.3 Helical Antennas Largest Antenna in the World  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.3 Helical Antennas  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.4 Spiral Antennas Largest Antenna in the World  Chapter 4: Antennas and Radiation 4.5 Antenna Types 4. Wideband Antennas 4.4 Spiral Antennas  Chapter 4: Antennas and Radiation 4.5 Antenna Types Summary 4.5.1 Resonant Antennas 4.5.2 Wideband Antennas 4.5.1.1 Wire Antennas 4.5.2.1 Horn Antenna 4.5.1.1.1 Dipole 4.5.2.2 Re ector Antenna 4.5.1.1.2 Monopole 4.5.2.3 Helical Antenna 4.5.1.1.3 Folded dipole 4.5.2.4 Spiral Antenna 4.5.1.1.4 Yagi Antenna 4.5.1.1.5 Loop Antenna 4.5.1.1.6 IFA Antenna 4.5.1.2 Slot Antennas 4.5.1.3 Patch Antennas 4.5.1.3 Microstrip Antenna 4.5.1.3 PIFA Antenna fl  ECE403: Microwave Engineering Course Summary 1. Review of Basic Concepts in RF/Microwave Engineering A. Steady Electric and Magnetic Fields B. Time-varying Fields and Maxwell’s Equations C. Microwaves Fundamentals 2. Transmission Line Theory 3. Passive Microwave Devices A. Two-Port Networks B. Power Dividers and Couplers C. Microwave Filters 4. Antennas and Radiation A. Antenna Principles B. Antenna Parameters C. Friis Formula D. Antenna Arrays E. Antenna Types Questions 40