本书是“国外电子与通信教材系列”之一，全书共分10个章节，主要对微波等效电路法知识作了介绍，其内容主要涵盖传输线、匹配器、滤波器、混频器、放大器和振荡器等主要射频微波系统单元的理论分析和设计问题及电路分析工具等。该书可供各大专院校作为教材使用，也可供从事相关工作的人员作为参考用书使用。

本书从低频电路理论到射频、微波电路理论的演化过程出发，讨论以低频电路理论为基础并结合高频电压、电流的波动特征来分析和设计射频、微波系统的方法——微波等效电路法，使不具备电磁场理论和微波技术背景的读者也能了解和掌握射频、微波电路的基本设计原则和方法。全书共10章，涵盖传输线、匹配器、滤波器、混频器、放大器和振荡器等主要射频微波系统单元的理论分析和设计问题及电路分析工具(圆图、网络参量和信号流图)。书中例题非常有实用价值。全书大多数电路都经过ADS仿真，并提供标准MATLAB计算程序。

本书适合作为通信、电子类学科学生的双语课程教材，也适合工程技术人员参考。

Chapter 1 Introduction/1

 1.1 Importance of Radio Frequency Design/2

 1.2 Dimensions and Units/5

 1.3 Frequency Spectrum/7

 1.4 RF Behavior of Passive Components/8

1.4.1 Resistors at High Frequency/13

1.4.2 Capacitors at High Frequency/15

1.4.3 Inductors at High Frequency/18

 1.5 Chip Components and Circuit Board Considerations/20

1.5.1 Chip Resistors/20

1.5.2 Chip Capacitors/21

1.5.3 Surface-Mounted Inductors/22

 1.6 RF Circuit Manufacturing Processes/22

 1.7 Summary/25

Chapter 2 Transmission Line Analysis/33

 2.1 Why Transmission Line Theory?/33

 2.2 Examples of Transmission Lines/36

2.2.1 Two-Wire Lines/36

2.2.2 Coaxial Line/37

2.2.3 Microstrip Lines/37

 2.3 Equivalent Circuit Representation/39

 2.4 Theoretical Foundation/41

2.4.1 Basic Laws/41

 2.5 Circuit Parameters for a Parallel-Plate Transmission Line/46

 2.6 Summary of Different Line Configurations/49

 2.7 General Transmission Line Equation/49

2.7.1 Kirchhoff Voltage and Current Law Representations/49

2.7.2 Traveling Voltage and Current Waves/53

2.7.3 Characteristic Impedance/53

2.7.4 Lossless Transmission Line Model/54

 2.8 Microstrip Transmission Lines/54

 2.9 Terminated Lossless Transmission Line/58

2.9.1 Voltage Reflection Coefficient/58

2.9.2 Propagation Constant and Phase Velocity/60

2.9.3 Standing Waves/60

 2.10 Special Termination Conditions/63

2.10.1 Input Impedance of Terminated Lossless Line/63

2.10.2 Short-Circuit Terminated Transmission Line/64

2.10.3 Open-Circuited Transmission Line/66

2.10.4 Quarter-Wave Transmission Line/67

 2.11 Sourced and Loaded Transmission Line/70

2.11.1 Phasor Representation of Source/70

2.11.2 Power Considerations for a Transmission Line/71

2.11.3 Input Impedance Matching/73

2.11.4 Return Loss and Insertion Loss/74

 2.12 Summary/76

Chapter 3 The Smith Chart/83

 3.1 From Reflection Coefficient to Load Impedance/83

3.1.1 Reflection Coefficient in Phasor Form/84

3.1.2 Normalized Impedance Equation/85

3.1.3 Parametric Reflection Coefficient Equation/86

3.1.4 Graphical Representation/89

 3.2 Impedance Transformation/90

3.2.1 Impedance Transformation for General Load/90

3.2.2 Standing Wave Ratio/92

3.2.3 Special Transformation Conditions/93

3.2.4 Computer Simulations/97

 3.3 Admittance Transformation/98

3.3.1 Parametric Admittance Equation/98

3.3.2 Additional Graphical Displays/101

 3.4 Parallel and Series Connections/102

3.4.1 Parallel Connection of R and L Elements/102

3.4.2 Parallel Connection of R and C Elements/103

3.4.3 Series Connection of R and L Elements/103

3.4.4 Series Connection of R and C Elements/104

3.4.5 Example of a T-Network/105

 3.5 Summary/109

Chapter 4 Single- and Multiport Networks/117

 4.1 Basic Definitions/117

 4.2 Interconnecting Networks/124

4.2.1 Series Connection of Networks/124

4.2.2 Parallel Connection of Networks/126

4.2.3 Cascading Networks/126

4.2.4 Summary of ABCD Network Representations/127

 4.3 Network Properties and Applications/131

4.3.1 Interrelations between Parameter Sets/131

4.3.2 Analysis of Microwave Amplifier/132

 4.4 Scattering Parameters/135

4.4.1 Definition of Scattering Parameters/136

4.4.2 Meaning of S-Parameters/138

4.4.3 Chain Scattering Matrix/140

4.4.4 Conversion between Z- and S-Parameters/142

4.4.5 Signal Flowgraph Modeling/143

4.4.6 Generalization of S-Parameters/148

4.4.7 Practical Measurements of S-Parameters/150

 4.5 Summary/156

Chapter 5 An Overview of RF Filter Design/164

 5.1 Basic Resonator and Filter Configurations/165

5.1.1 Filter Types and Parameters/165

5.1.2 Low-Pass Filter/168

5.1.3 High-Pass Filter/171

5.1.4 Bandpass and Bandstop Filters/172

5.1.5 Insertion Loss/177

 5.2 Special Filter Realizations/180

5.2.1 Butterworth-Type Filters/180

5.2.2 Chebyshev-Type Filters/183

5.2.3 Denormalization of Standard Low-Pass Design/188

 5.3 Filter Implementation/196

5.3.1 Unit Elements/197

5.3.2 Kuroda誷 Identities/198

5.3.3 Examples of Microstrip Filter Design/199

 5.4 Coupled Filter/206

5.4.1 Odd and Even Mode Excitation/206

5.4.2 Bandpass Filter Section/209

5.4.3 Cascading Bandpass Filter Elements/210

5.4.4 Design Example/211

 5.5 Summary/215

Chapter 6 Active RF Components/223

 6.1 Semiconductor Basics/224

6.1.1 Physical Properties of Semiconductors/224

6.1.2 The pn-Junction/229

6.1.3 Schottky Contact/236

 6.2 RF Diodes/239

6.2.1 Schottky Diode/239

6.2.2 PIN Diode/242

6.2.3 Varactor Diode/246

6.2.4 IMPATT Diode/248

6.2.5 Tunnel Diode/250

6.2.6 TRAPATT, BARRITT, and Gunn Diodes/251

 6.3 Bipolar-Junction Transistor/252

6.3.1 Construction/252

6.3.2 Functionality/254

6.3.3 Frequency Response/259

6.3.4 Temperature Behavior/261

6.3.5 Limiting Values/264

6.3.6 Noise Performance/265

 6.4 RF Field Effect Transistors/266

6.4.1 Construction/266

6.4.2 Functionality/267

6.4.3 Frequency Response/272

6.4.4 Limiting Values/272

6.5 Metal Oxide Semiconductor Transistors/273

6.5.1 Construction/273

6.5.2 Functionality/274

 6.6 High Electron Mobility Transistors/275

6.6.1 Construction/276

6.6.2 Functionality/276

6.6.3 Frequency Response/279

 6.7 Semiconductor Technology Trends/279

 6.8 Summary/284

Chapter 7 Active RF Component Modeling/290

 7.1 Diode Models/290

7.1.1 Nonlinear Diode Model/290

7.1.2 Linear Diode Model/293

 7.2 Transistor Models/295

7.2.1 Large-Signal BJT Models/295

7.2.2 Small-Signal BJT Models/301

7.2.3 Large-Signal FET Models/311

7.2.4 Small-Signal FET Models/314

7.2.5 Transistor Amplifier Topologies/317

7.3 Measurement of Active Devices/318

7.3.1 DC Characterization of Bipolar Transistor/318

7.3.2 Measurements of AC Parameters of Bipolar Transistors/320

7.3.3 Measurements of Field Effect Transistor Parameters/323

 7.4 Scattering Parameter Device Characterization/325

 7.5 Summary/332

Chapter 8 Matching and Biasing Networks/338

 8.1 Impedance Matching Using Discrete Components/338

8.1.1 Two-Component Matching Networks/338

8.1.2 Forbidden Regions, Frequency Response, and Quality Factor/346

8.1.3 T and Pi Matching Networks/354

 8.2 Microstrip Line Matching Networks/357

8.2.1 From Discrete Components to Microstrip Lines/357

8.2.2 Single-Stub Matching Networks/360

8.2.3 Double-Stub Matching Networks/364

 8.3 Amplifier Classes of Operation and Biasing Networks/366

8.3.1 Classes of Operation and Efficiency of Amplifiers/367

8.3.2 Bipolar Transistor Biasing Networks/371

8.3.3 Field Effect Transistor Biasing Networks/376

 8.4 Summary/382

Chapter 9 RF Transistor Amplifier Design/387

 9.1 Characteristics of Amplifiers/387

 9.2 Amplifier Power Relations/388

9.2.1 RF Source/388

9.2.2 Transducer Power Gain/389

9.2.3 Additional Power Relations/390

 9.3 Stability Considerations/392

9.3.1 Stability Circles/392

9.3.2 Unconditional Stability/395

9.3.3 Stabilization Methods/400

 9.4 Constant Gain/402

9.4.1 Unilateral Design/402

9.4.2 Unilateral Figure of Merit/407

9.4.3 Bilateral Design/408

9.4.4 Operating and Available Power Gain Circles/411

 9.5 Noise Figure Circles/416

 9.6 Constant VSWR Circles/419

 9.7 Broadband, High-Power, and Multistage Amplifiers/423

9.7.1 Broadband Amplifiers/423

9.7.2 High-Power Amplifiers/431

9.7.3 Multistage Amplifiers/434

 9.8 Summary/440

Chapter 10 Oscillators and Mixers/446

 10.1 Basic Oscillator Models/447

10.1.1 Feedback Oscillator/447

10.1.2 Negative Resistance Oscillator/448

10.1.3 Oscillator Phase Noise/458

10.1.4 Feedback Oscillator Design/463

10.1.5 Design Steps/465

10.1.6 Quartz Oscillators/468

 10.2 High-Frequency Oscillator Configuration/470

10.2.1 Fixed-Frequency Oscillators/473

10.2.2 Dielectric Resonator Oscillators/478

10.2.3 YIG-Tuned Oscillator/482

10.2.4 Voltage-Controlled Oscillator/483

10.2.5 Gunn Element Oscillator/485

 10.3 Basic Characteristics of Mixers/486

10.3.1 Basic Concepts/487

10.3.2 Frequency Domain Considerations/489

10.3.3 Single-Ended Mixer Design/490

10.3.4 Single-Balanced Mixer/497

10.3.5 Double-Balanced Mixer/498

10.3.6 Integrated Active Mixers/498

10.3.7 Image Reject Mixer/502

 10.4 Summary/512

Appendix A Useful Physical Quantities and Units/517

Appendix B Skin Equation for a Cylindrical Conductor/522

Appendix C Complex Numbers/525

Appendix D Matrix Conversions/527

Appendix E Physical Parameters of Semiconductors/530

Appendix F Long and Short Diode Models/531

Appendix G Couplers/534

Appendix H Noise Analysis/540

Appendix I Introduction to MATLAB/549