Preface | p. xiii |
Introduction | p. 1 |
Selected Numerical Methods | p. 9 |
Mode-Matching Techniques | p. 9 |
Introduction | p. 9 |
Background | p. 10 |
H-Plane Discontinuity | p. 12 |
Normalization | p. 14 |
Generalized Scattering Matrix | p. 15 |
Relative Convergence | p. 16 |
Discontinuity of Finite Length | p. 18 |
Cascading Scattering Matrices | p. 19 |
Intermediate Region | p. 20 |
Waveguide Bifurcation | p. 20 |
E-Plane Discontinuity | p. 25 |
T-Junctions (Resonator Method) | p. 27 |
E-Plane T-Junction | p. 27 |
H-Plane T-Junction | p. 31 |
Double-Plane Steps | p. 32 |
TE[characters not producible] Mode Analysis | p. 33 |
TE[subscript mn]-TM[subscript mn] Mode Analysis | p. 34 |
Different Cross-Sections | p. 37 |
Circular Cross-Section | p. 37 |
Cross-Sections of Unknown Eigenfunctions | p. 39 |
Other Mode-Matching Techniques | p. 40 |
Conservation of Complex Power | p. 40 |
Admittance Matrix Formulation | p. 40 |
Appendix to Section 2.1 | p. 42 |
References to Section 2.1 | p. 50 |
Finite-Element Method | p. 51 |
Introduction | p. 51 |
Field Formulation | p. 52 |
Variational Methods | p. 54 |
Rayleigh-Ritz Method | p. 58 |
Finite-Element Method | p. 59 |
Two-dimensional Scalar Scattering Problem | p. 59 |
Scattering Parameters | p. 63 |
Infinite Elements | p. 63 |
Uniform Guiding Structures | p. 63 |
Characteristic Impedance | p. 66 |
Summary of FEM Features | p. 67 |
A FEM Computer Program for Multi-Conductor Lines | p. 68 |
Acknowledgement | p. 68 |
Appendix to Section 2.2 | p. 69 |
References to Section 2.2 | p. 71 |
The Transmission Line Matrix Method | p. 73 |
Fundamentals of the TLM Method | p. 73 |
Modeling Microwave Structures with the TLM Method | p. 76 |
Modeling Boundaries | p. 76 |
Modeling Ports | p. 77 |
Modeling Materials | p. 78 |
Regular versus Variable TLM Mesh | p. 79 |
Time- and Frequency-Domain Information | p. 81 |
Computation of Microwave S-Parameters | p. 81 |
Errors and Corrections | p. 82 |
Summary of the TLM Method | p. 82 |
Application of the Three-Dimensional Symmetrical Condensed Node TLM Method to Computation of Microwave S-Parameters | p. 84 |
Appendix to Section 2.3 | p. 86 |
References to Section 2.3 | p. 101 |
Waveguide Components for Antenna Feed Systems | p. 103 |
Transmission Lines | p. 104 |
Definitions | p. 104 |
Electromagnetic Wave Modes (Eigenmodes, Eigenvectors) | p. 104 |
Wave Propagating Media (Waveguides, Transmission Structures) | p. 105 |
Propagation Constants (Wave Numbers, Eigenvalues) | p. 105 |
Guided Wavelength | p. 106 |
Dispersion Characteristics | p. 106 |
Characteristic Impedance | p. 107 |
Losses | p. 108 |
Power Handling Capability | p. 108 |
Rectangular Waveguides | p. 109 |
Modes in Rectangular Waveguides | p. 110 |
Fundamental Mode in Rectangular Waveguide | p. 112 |
Mode Dispersion | p. 112 |
Characteristic Impedance | p. 114 |
Losses | p. 114 |
Power Handling Capability | p. 115 |
Ridge Waveguides | p. 115 |
Modes in Ridge Waveguides | p. 116 |
Dispersion Characteristics | p. 117 |
Characteristic Impedance | p. 117 |
Losses | p. 118 |
Power Handling Capability | p. 120 |
Circular Waveguides | p. 120 |
Modes in Circular Waveguides | p. 121 |
Dispersion Characteristics | p. 124 |
Characteristic Impedance | p. 124 |
Losses | p. 124 |
Power Handling Capability | p. 126 |
Coaxial Waveguides | p. 127 |
Circular Coaxial Lines | p. 127 |
Modes in Circular Coaxial Lines | p. 127 |
Fundamental (TEM) Mode in Coaxial Waveguide | p. 130 |
Dispersion Characteristics of the Coaxial Waveguide | p. 130 |
Characteristic Impedance | p. 130 |
Losses | p. 131 |
Power Handling Capability | p. 132 |
Square (Rectangular) Coaxial Waveguides | p. 133 |
Modes in Square Coaxial Line | p. 133 |
Dispersion Characteristics | p. 134 |
Characteristic Impedance | p. 136 |
Losses | p. 137 |
Power Handling Capability | p. 138 |
References to Section 3.1 | p. 139 |
Impedance Transformers and Matching Circuits | p. 139 |
Impedance-Matching Concepts and Methods | p. 140 |
Matching a Real Impedance to Another Real Impedance | p. 142 |
Matching a Real to a Complex Impedance | p. 145 |
Matching With a Section of Transmission Line and a Quarter-Wave Transformer | p. 145 |
Single Stub Matching | p. 146 |
Double-Stub Matching | p. 147 |
Practical Impedance Transformers--Design Methods and Examples | p. 148 |
Impedance Transformers in Rectangular (Square) Waveguides | p. 148 |
Rectangular-to-Ridge Waveguide Impedance Transformer | p. 151 |
Circular Waveguide Transformers | p. 154 |
Stepped Dielectric Slab Transformers | p. 157 |
Appendix to Section 3.2 | p. 160 |
References to Section 3.2 | p. 162 |
Waveguide Bends | p. 163 |
Field Analysis of Waveguide Bends | p. 165 |
Design of Waveguide Bends | p. 165 |
H-Plane Bends | p. 166 |
E-Plane Bends | p. 169 |
References to Section 3.3 | p. 174 |
Microwave Filters | p. 174 |
A Summary of Development in Theory and Design Methods for Microwave Filters | p. 174 |
A Generalized CAD Method for Microwave Filters | p. 176 |
Performance Parameters of a Microwave Filter | p. 176 |
Synthesis | p. 177 |
Analysis | p. 183 |
Optimization | p. 184 |
CAD of Selected Types of Direct-Coupled-Resonator Filters | p. 185 |
Waveguide Stub Filters | p. 185 |
E-Plane Filters | p. 190 |
Corrugated Waveguide Filters | p. 200 |
Evanescent-Mode Waveguide Filters | p. 207 |
Circular Cavity Filters | p. 212 |
Synthesis of Filter Characteristics and Equivalent Circuits | p. 217 |
Approximation of Filter Characteristics | p. 217 |
Synthesis of Equivalent Circuits | p. 220 |
Degenerate (Multimode) Cavity Design | p. 221 |
Cavity Modes | p. 221 |
Dual Mode Cavity Design | p. 224 |
Triple and Quadruple Mode Cavity Design | p. 224 |
Tuning and Coupling of Degenerate Cavity Modes | p. 225 |
Filter Couplings--Design and Realization | p. 226 |
Intercavity and Interface Couplings | p. 226 |
Offset Slots and Anticoupling | p. 233 |
Spurious Mode Control | p. 237 |
Cavity Arrangement and Coupling Configurations | p. 237 |
Cavity Filter Design Technology | p. 247 |
References to Section 3.4 | p. 248 |
Multiplexers | p. 252 |
Circulator/Filter Chain | p. 252 |
Directional Filter Multiplexing Approach | p. 259 |
Manifold Multiplexing Technique | p. 264 |
Millimeter-Wave Multiplexers | p. 278 |
E-Plane T-Junction-type Diplexer | p. 283 |
H-Plane T-Junction-type Diplexer | p. 289 |
H-Plane Divider-type Diplexer | p. 293 |
E-Plane Divider-type Multiplexers | p. 294 |
E-H-Plane Divider-type Quadruplexer | p. 295 |
H-Plane Branching-type Multiplexers | p. 296 |
Other Configurations | p. 300 |
Appendix to Section 3.5 | p. 304 |
References to Section 3.5 | p. 306 |
Directional Couplers | p. 307 |
Introduction | p. 307 |
Basic Coupler Sections and Mechanisms | p. 309 |
Contra-Directional Couplers | p. 311 |
Co-Directional Couplers | p. 312 |
Small-Aperture Couplers | p. 314 |
Quarter-Wave Transformer Prototype | p. 314 |
Contra-Directional (TEM-Line) Couplers | p. 316 |
Aperture Couplers | p. 320 |
Analysis | p. 320 |
Circular Apertures | p. 322 |
Rectangular Apertures | p. 323 |
Design | p. 325 |
Branch-Guide Couplers | p. 329 |
Conclusions | p. 339 |
Appendix to Section 3.6 | p. 340 |
References to Section 3.6 | p. 342 |
Power Dividers and Combiners | p. 343 |
Introduction | p. 343 |
Basic Waveguide Power Dividers/Combiners | p. 345 |
Waveguide E-Plane Power Dividers/Combiners | p. 346 |
Waveguide H-Plane Power Divider/Combiner | p. 351 |
Waveguide E-H-Plane Power Divider/Combiner | p. 353 |
Other Waveguide E- or H-Plane Power Dividers | p. 354 |
Radial Waveguide Power Dividers/Combiners | p. 355 |
Hybrids as Power Dividers/Combiners | p. 360 |
Hybrid (Magic) T-Junction | p. 360 |
Turnstile Junction | p. 361 |
Hybrid Rings | p. 362 |
Variable Power Dividers/Combiners | p. 363 |
Considerations for Power Combiners | p. 367 |
References to Section 3.7 | p. 369 |
Polarization Discrimination Components and Equipment | p. 371 |
Linear and Circular Polarizations | p. 372 |
Linear Polarization | p. 372 |
Circular Polarization | p. 374 |
Orthomode Transducer | p. 377 |
Standard Narrowband OMT Design (OMT Class 1) | p. 382 |
Narrowband Design Type 1 (Taper/Branching OMT) | p. 382 |
Narrowband Deisgn Type 2 (Septum/Branching OMT) | p. 385 |
Narrowband Design Type 3 (Acute Angle or Longitudinal Orthomode Branching) | p. 391 |
Narrowband Design Type 4 (Short Circuited Common Waveguide) | p. 393 |
Broadband OMT Design (OMT Class 2) | p. 395 |
Broadband OMT Design Type 1 (Distinct Dual Junction Type) | p. 397 |
Broadband OMT Design Type 2 (Equal Dual Junction Type) | p. 400 |
Four (Multi) Port Combiner (OMT Class 3) | p. 403 |
Combiner Design Type 1 (Modular Approach) | p. 404 |
Combiner Design Type 2 (Unsymmetrical Branching Approach) | p. 405 |
Combiner Design Type 3 (Symmetrical Branching Approach) | p. 413 |
Circular Polarizing and Discrimination Equipment | p. 418 |
Conventional Polarizers | p. 419 |
Conventional Polarizers, Group 1 | p. 421 |
Corrugated Waveguide Polarizers | p. 426 |
Dielectric Slab Waveguide Polarizers | p. 428 |
Conventional Polarizers, Group 2 (Septum Polarizer) | p. 432 |
Polarization Discrimination by OMT and Power-Splitter | p. 435 |
Circularly Polarized Four (Multi) Port Combiners | p. 436 |
Four (Multi) Port Combiners with Polarizers | p. 438 |
Circularly Polarized Four (Multi) Port Combiners with Proper RF Circuitries | p. 440 |
References to Section 3.8 | p. 443 |
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