Microwave Engineering, 4th Edition
November 2011, ©2012
1.1 Introduction to Microwave Engineering 1
1.2 Maxwell’s Equations 6
1.3 Fields in Media and Boundary Conditions 10
1.4 The Wave Equation and Basic Plane Wave Solutions 15
1.5 General Plane Wave Solutions 20
1.6 Energy and Power 25
1.7 Plane Wave Reflection from a Media Interface 28
1.8 Oblique Incidence at a Dielectric Interface 35
1.9 Some Useful Theorems 40
2 TRANSMISSION LINE THEORY 48
2.1 The Lumped-Element Circuit Model for a Transmission Line 48
2.2 Field Analysis of Transmission Lines 51
2.3 The Terminated Lossless Transmission Line 56
2.4 The Smith Chart 63
2.5 The Quarter-Wave Transformer 72
2.6 Generator and Load Mismatches 76
2.7 Lossy Transmission Lines 78
2.8 Transients on Transmission Lines 85
3 TRANSMISSION LINES AND WAVEGUIDES 95
3.1 General Solutions for TEM, TE, and TM Waves 96
3.2 Parallel Plate Waveguide 102
3.3 Rectangular Waveguide 110
3.4 Circular Waveguide 121
3.5 Coaxial Line 130
3.6 Surface Waves on a Grounded Dielectric Sheet 135
3.7 Stripline 141
3.8 Microstrip Line 147
3.9 The Transverse Resonance Technique 153
3.10 Wave Velocities and Dispersion 154
3.11 Summary of Transmission Lines and Waveguides 157
4 MICROWAVE NETWORK ANALYSIS 165
4.1 Impedance and Equivalent Voltages and Currents 166
4.2 Impedance and Admittance Matrices 174
4.3 The Scattering Matrix 178
4.4 The Transmission (ABCD) Matrix 188
4.5 Signal Flow Graphs 194
4.6 Discontinuities and Modal Analysis 203
4.7 Excitation of Waveguides—Electric and Magnetic Currents 210
4.8 Excitation of Waveguides—Aperture Coupling 215
5 IMPEDANCE MATCHING AND TUNING 228
5.1 Matching with Lumped Elements (L Networks) 229
5.2 Single-Stub Tuning 234
5.3 Double-Stub Tuning 241
5.4 The Quarter-Wave Transformer 246
5.5 The Theory of Small Reflections 250
5.6 Binomial Multisection Matching Transformers 252
5.7 Chebyshev Multisection Matching Transformers 256
5.8 Tapered Lines 261
5.9 The Bode–Fano Criterion 266
6 MICROWAVE RESONATORS 272
6.1 Series and Parallel Resonant Circuits 272
6.2 Transmission Line Resonators 278
6.3 Rectangular Waveguide Cavity Resonators 284
6.4 Circular Waveguide Cavity Resonators 288
6.5 Dielectric Resonators 293
6.6 Excitation of Resonators 297
6.7 Cavity Perturbations 306
7 POWER DIVIDERS AND DIRECTIONAL COUPLERS 317
7.1 Basic Properties of Dividers and Couplers 317
7.2 The T-Junction Power Divider 324
7.3 The Wilkinson Power Divider 328
7.4 Waveguide Directional Couplers 333
7.5 The Quadrature (90?) Hybrid 343
7.6 Coupled Line Directional Couplers 347
7.7 The Lange Coupler 359
7.8 The 180? Hybrid 362
7.9 Other Couplers 372
8 MICROWAVE FILTERS 380
8.1 Periodic Structures 381
8.2 Filter Design by the Image Parameter Method 388
8.3 Filter Design by the Insertion Loss Method 399
8.4 Filter Transformations 408
8.5 Filter Implementation 415
8.6 Stepped-Impedance Low-Pass Filters 422
8.7 Coupled Line Filters 426
8.8 Filters Using Coupled Resonators 437
9 THEORY AND DESIGN OF FERRIMAGNETIC COMPONENTS 451
9.1 Basic Properties of Ferrimagnetic Materials 452
9.2 Plane Wave Propagation in a Ferrite Medium 465
9.3 Propagation in a Ferrite-Loaded Rectangular Waveguide 471
9.4 Ferrite Isolators 475
9.5 Ferrite Phase Shifters 482
9.6 Ferrite Circulators 487
10 NOISE AND NONLINEAR DISTORTION 496
10.1 Noise in Microwave Circuits 496
10.2 Noise Figure 502
10.3 Nonlinear Distortion 511
10.4 Dynamic Range 519
11 ACTIVE RF AND MICROWAVE DEVICES 524
11.1 Diodes and Diode Circuits 525
11.2 Bipolar Junction Transistors 540
11.3 Field Effect Transistors 543
11.4 Microwave Integrated Circuits 547
11.5 Microwave Tubes 552
12 MICROWAVE AMPLIFIER DESIGN 558
12.1 Two-Port Power Gains 558
12.2 Stability 564
12.3 Single-Stage Transistor Amplifier Design 571
12.4 Broadband Transistor Amplifier Design 585
12.5 Power Amplifiers 596
13 OSCILLATORS AND MIXERS 604
13.1 RF Oscillators 605
13.2 Microwave Oscillators 613
13.3 Oscillator Phase Noise 622
13.4 Frequency Multipliers 627
13.5 Mixers 637
14 INTRODUCTION TO MICROWAVE SYSTEMS 658
14.1 System Aspects of Antennas 658
14.2 Wireless Communications 671
14.3 Radar Systems 690
14.4 Radiometer Systems 696
14.5 Microwave Propagation 701
14.6 Other Applications and Topics 705
A Prefixes 713
B Vector Analysis 713
C Bessel Functions 715
D Other Mathematical Results 718
E Physical Constants 718
F Conductivities for Some Materials 719
G Dielectric Constants and Loss Tangents for Some Materials 719
H Properties of Some Microwave Ferrite Materials 720
I Standard Rectangular Waveguide Data 720
J Standard Coaxial Cable Data 721
ANSWERS TO SELECTED PROBLEMS 722
David Pozar is professor of Electrical and Computer Engineering at University of Massachusetts, Amherst. He has received numerous awards both for his teaching and for his research, including an IEEE Third Millenium award. Dr. Pozar is acknowledged as a leading figure in Microwave and RF circuit design research.
- New material has been introduced on microwave and RF systems, and how components are linked to system performance (e.g., noise figure, effect on Bit Error Rate, link margin, cell phones, etc.)
- More coverage of active circuits has been included (CMOS circuits, SiGe circuits, Power Added Efficiency, Gilbert cell mixer, etc.)
- Additional topics (power waves, transients, frequency dependent effects of microstrip line, and more) and more open-ended EOC problems have been added.
- Number of chapters has been increased from 13 to 14, with more emphasis on noise, nonlinear effects, and active circuit design.
- Material on the following topics has been substantially revised: noise and noise effects, intermodulation distortion, dynamic range, mixers, amplifier stability, antennas and antenna noise, wireless receivers, and characteristics of diodes and transistors.
- Numerous new or revised examples and problems have been added, with many of these related to practical design problems involving planar circuits and components.
- Thorough analysis and development based on fundamental principles. Students develop understanding of core concepts and learn that the operation of microwave circuits and devices can be explained through the use of circuit theory, Maxwell's equations, and related fundamentals. See Wilkinson divider operation derived from basic circuit and transmission line theory.
- Many examples cover both theory and design. Student can see how typical problems are solved, how practical designs are carried out, and how component designs perform. The availability of realistic and thorough examples reinforces subject matter. See Example 7.7 that involves the design of a coupled line coupler on a lossy substrate. The design procedure is illustrated, and the response of the coupler is obtained using a CAD package.
- Many problems cover both theory and design. Problems test the student's understanding of the material and offer the opportunity for in-depth design and analysis of practical components. Problems offer students real-life design practice with the quick feedback of CAD tools to evaluate their work.
- Answers to selected problems allow students to test themselves on their understanding of material. The instructor can assign problems with or without answers, or modify answered problems for additional problems for use on exams. Approximately 25% of the problems have answers.
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