AND GAIN 3.13 ANTENNA DIRECTIVITY 3.14 ANTENNA GAIN AND REALIZED GAIN 3.15 ANTENNA EFFECTIVE APERTURE – RECEIVING ANTENNA AS A POWER COLLECTOR 3.16 FRIIS TRANSMISSION EQUATION [1] REFERENCES PROBLEMS
11 CHAPTER 4: Antenna Balun. Antenna Reflector. Method of Images SECTION 1 ANTENNA BALUN 4.1 DIPOLE FEED IN NUMERICAL SIMULATIONS 4.2 ANTENNA BALUN 4.3 SPLIT‐COAXIAL BALUN 4.4 DYSON BALUN 4.5 CENTRAL TAP TRANSFORMER AS THE DYSON BALUN 4.6 ANTENNA IMPEDANCE TRANSFORMATION 4.7 A QUICK SOLUTION 4.8 END‐OF‐SECTION STORY REFERENCES PROBLEMS SECTION 2 ANTENNA REFLECTOR 4.9 GROUND PLANE FOR AN ELECTRIC DIPOLE. THE λ/4‐RULE 4.10 METHOD OF IMAGES 4.11 EFFECT OF GROUND PLANE ON ANTENNA IMPEDANCE 4.12 EFFECT OF GROUND PLANE ON THE RADIATION PATTERN 4.13 EXTENSIONS OF THE IMAGE METHOD: CORNER REFLECTOR 4.14 FINITE GROUND PLANE – GEOMETRICAL OPTICS 4.15 FRONT‐TO‐BACK RATIO NOTES TO PROBLEMS OF THIS SECTION GIVEN BELOW REFERENCES PROBLEMS
12 CHAPTER 5: Dipole Antenna Family: Broadband Antennas that Operate as Dipoles at Low Frequencies SECTION 1 BROADBAND DIPOLES AND MONOPOLES 5.1 DIPOLE. SUMMARY OF PREVIOUS RESULTS 5.2 MONOPOLE 5.3 BROADBAND (LARGE) DIPOLES 5.4 CANONIC DIPOLES AND THEIR PERFORMANCE REFERENCE PROBLEMS SECTION 2 BICONICAL, WIDE BLADE, AND VIVALDI ANTENNAS 5.5 BICONICAL “DIPOLE” OR BICONICAL ANTENNA [2] 5.6 WIDE BLADE DIPOLE: TWO ANTENNAS IN ONE 5.7 BLADE DIPOLE WITH ONE RADIATING SLOT – VIVALDI ANTENNA REFERENCES PROBLEM
13 CHAPTER 6: Loop Antennas SECTION 1 LOOP ANTENNA VS. DIPOLE ANTENNA 6.1 CONCEPT 6.2 ANALYTICAL RESULTS 6.3 FULL‐WAVE SIMULATION RESULTS 6.4 WHY LOOP ANTENNA? REFERENCES PROBLEMS
14 CHAPTER 7: Small Antennas SECTION 1 FUNDAMENTAL LIMITS ON ANTENNA BANDWIDTH 7.1 ANTENNA SIZE ESTIMATE 7.2 BANDWIDTH OF A SMALL ANTENNA 7.3 FUNDAMENTAL LIMITS ON THE BANDWIDTH OF A SMALL ANTENNA [1–6] 7.4 ONE HIDDEN PROBLEM WITH A SMALL ANTENNA REFERENCES PROBLEMS SECTION 2 PRACTICAL ANTENNA MATCHING AND TUNING FOR A PREDEFINED (50 Ω) IMPEDANCE 7.5 DOUBLE TUNING – INDUCTIVE (SMALL LOOP) ANTENNA 7.6 DOUBLE TUNING – CAPACITIVE (SMALL DIPOLE OR MONOPOLE) ANTENNA REFERENCES PROBLEMS
15 CHAPTER 8: Patch and PIFA Antennas SECTION 1 PATCH ANTENNAS 8.1 CONCEPT 8.2 FIELDS 8.3 CAD FORMULAS FOR PATCH ANTENNA 8.4 CAD FORMULAS FOR THE PATCH ANTENNA EFFICIENCY 8.5 PATCH ANTENNA EXAMPLE: CROSS‐POLARIZATION AND NEAR FIELDS RADIATION PATTERN – CO‐POLAR AND CROSS‐POLAR COMPONENTS. POLARIZATION ISOLATION 8.6 PATCH ANTENNA FAMILY REFERENCES PROBLEMS SECTION 2 PLANAR INVERTED F (PIFA) ANTENNA. BANDWIDTH ESTIMATIONS