Ebook
RF Power AmplifiersISBN: 9780470699508
422 pages
November 2008

Description
 A comprehensive text covering the fundamentals of RF power amplifiers and their range of applications in radio and TV broadcasting, wireless communications and radars.
 Presents accessible coverage of the complex principles of operation of RF power amplifiers and radio power systems.
 Introduces the fundamental design techniques and procedures for practitioners for RF power amplifiers.
 All chapters contain examples and design procedures throughout, with review questions and problems at the end of each chapter.
 A solutions manual is available for instructors upon enquiry
Table of Contents
About the Author
List of Symbols
1. Introduction
1.1 Block Diagram of RF Power Amplifiers
1.2 Classes of Operation of RF Power Amplifiers
1.3 Parameters of RF Power Amplifiers
1.4 Conditions for 100% Efficiency of Power Amplifiers
1.5 Conditions for Nonzero Output Power at 100% Efficiency of Power Amplifiers
1.6 Output Power of Class E ZVS Amplifier
1.7 Class E ZCS Amplifier
1.8 Propagation of Electromagnetic Waves
1.9 Frequency Spectrum
1.10 Duplexing
1.11 Multipleaccess Techniques
1.12 Nonlinear Distortion in Transmitters
1.13 Harmonics of Carrier Frequency
1.14 Intermodulation
1.15 Dynamic Range of Power Amplifiers
1.16 Analog Modulation
1.17 Digital Modulation
1.18 Radars
1.19 Radiofrequency Identification
1.20 Summary
1.21 References
1.22 Review Questions
1.23 Problems
2. Class A RF Power Amplifier
2.1 Introduction
2.2 Circuit of Class A RF Power Amplifier
2.3 Power MOSFET Characteristics
2.4 Waveforms of Class A RF Amplifier
2.5 Parameters of Class A RF Power Amplifier
2.6 Parallelresonant Circuit
2.7 Power Losses and Efficiency of Parallel Resonant Circuit
2.8 Impedance Matching Circuits
2.9 Class A RF Linear Amplifier
2.10 Summary
2.11 References
2.12 Review Questions
2.13 Problems
3. Class AB, B, and C RF Power Amplifiers
3.1 Introduction
3.2 Class B RF Power Amplifier
3.3 Class AB and C RF Power Amplifiers
3.4 Pushpull Complementary Class AB, B, and C RF Power Amplifiers
3.5 Transformercoupled Class B Pushpull Amplifier
3.6 Class AB, B, and C Amplifiers of Variableenvelope Signals
3.7 Summary
3.8 References
3.9 Review Questions
3.10 Problems
4. Class D RF Power Amplifier
4.1 Introduction
4.2 Circuit Description
4.3 Principle of Operation
4.4 Topologies of Class D Voltagesource RF Power Amplifiers
4.5 Analysis
4.6 Voltage Transfer Function
4.7 Bandwidth of Class D Amplifier
4.8 Efficiency of Halfbridge Class D Power Amplifier
4.9 Design Example
4.10 Class D RF Power Amplifier with Amplitude Modulation
4.11 Transformercoupled Pushpull Class D Voltageswitching RF Power Amplifier
4.12 Class D Fullbridge RF Power Amplifier
4.13 Phase Control of Fullbridge Class D Power Amplifier
4.14 Class D Currentswitching RF Power Amplifier
4.15 Transformercoupled Pushpull Class D Currentswitching RF Power Amplifier
4.16 Bridge Class D Currentswitching RF Power Amplifier
4.17 Summary
4.18 References
4.19 Review Questions
4.20 Problems
5. Class E RF Zerovoltageswitching RF Power Amplifier
5.1 Introduction
5.2 Circuit Description
5.3 Circuit Operation
5.4 ZVS and ZDS Operation of Class E Amplifier
5.5 Suboptimum Operation
5.6 Analysis
5.7 Maximum Operating Frequency
5.8 Choke Inductance
5.9 Summary of Parameters at D = 0.5
5.10 Efficiency
5.11 Design of Basic Class E Amplifier
5.12 Impedance Matching Resonant Circuits
5.13 Pushpull Class E ZVS RF Amplifier
5.14 Class E ZVS RF Power Amplifier with Finite DCfeed Inductance
5.15 Class E ZVS Amplifier with Parallelseries Resonant Circuit
5.16 Class E ZVS Amplifier with Nonsinusoidal Output Voltage
5.17 Class E ZVS Power Amplifier with Parallel Resonant Circuit
5.18 Amplitude Modulation of Class E ZVS RF Power Amplifier
5.19 Summary
5.20 References
5.21 Review Questions
5.22 Problems
6. Class E Zerocurrentswitching RF Power Amplifier
6.1 Introduction
6.2 Circuit Description
6.3 Principle of Operation
6.4 Analysis
6.5 Power Relationships
6.6 Element Values of Load Network
6.7 Design Example
6.8 Summary
6.9 References
6.10 Review Questions
6.11 Problems
7. Class DE RF Power Amplifier
7.1 Introduction
7.2 Analysis of Class DE RF Power Amplifier
7.3 Components
7.4 Device Stresses
7.5 Design Equations
7.6 Maximum Operating Frequency
7.7 Class DE Amplifier with Only One Shunt Capacitor
7.8 Components
7.9 Cancellation of Nonlinearities of Transistor Output Capacitances
7.10 Summary
7.11 References
7.12 Review Questions
7.13 Problems
8. Class F RF Power Amplifier
8.1 Introduction
8.2 Class F RF Power Amplifier with Third Harmonic
8.3 Class F RF Power Amplifier with Third and Fifth Harmonics
8.4 Class F RF Power Amplifier with Third, Fifth, and Seventh
Harmonics
8.5 Class F RF Power Amplifier with Parallelresonant Circuit and
Quarterwavelength Transmission Line
8.6 Class F RF Power Amplifier with Second Harmonic
8.7 Class F RF Power Amplifier with Second and Fourth Harmonics
8.8 Class F RF Power Amplifier with Second, Fourth, and Sixth
Harmonics
8.9 Class F RF Power Amplifier with Seriesresonant Circuit and Quarterwavelength Transmission Line
8.10 Summary
8.11 References
8.12 Review Questions
8.13 Problems
9. Linearization and Efficiency Improvement of RF Power Amplifiers
9.1 Introduction
9.2 Predistortion
9.3 Feedforward Linearization Technique
9.4 Negative Feedback Linearization Technique
9.5 Envelope Elimination and Restoration
9.6 Envelope Tracking
9.7 The Doherty Amplifier
9.8 Outphasing Power Amplifier
9.9 Summary
9.10 References
9.11 Review Questions
9.12 Problems
10. Integrated Inductors
10.1 Introduction
10.2 Skin Effect
10.3 Resistance of Rectangular Trace
10.4 Inductance of Straight Rectangular Trace
10.5 Meander Inductors
10.6 Inductance of Straight Round Conductor
10.7 Inductance of Circular Round Wire Loop
10.8 Inductance of Twoparallel Wire Loop
10.9 Inductance of Rectangle of Round Wire
10.10 Inductance of Polygon Round Wire Loop
10.11 Bondwire Inductors
10.12 Singleturn Planar Inductors
10.13 Inductance of Planar Square Loop
10.14 Planar Spiral Inductors
10.15 Multimetal Spiral Inductors
10.16 Planar Transformers
10.17 MEMS Inductors
10.18 Inductance of Coaxial Cable
10.19 Inductance of Twowire Transmission Line
10.20 Eddy Currents in Integrated Inductors
10.21 Model of RF Integrated Inductors
10.22 PCB Integrated Inductors
10.23 Summary
10.24 References
10.25 Review Questions
10.26 Problems
Appendices
Appendix A SPICE Model of Power MOSFETs
Appendix B Introduction to SPICE
Appendix C Introduction to MATLAB
Answers to Problems
Index