| Preface to the Second Edition | p. xi |
| Introduction | p. 1 |
| Introduction | p. 1 |
| Linear RF Amplifier Theory | p. 2 |
| Weakly Nonlinear Effects: Power and Volterra Series | p. 5 |
| Strongly Nonlinear Effects | p. 6 |
| Nonlinear Device Models for CAD | p. 9 |
| Conjugate Match | p. 11 |
| RF Power Device Technology | p. 14 |
| References | p. 15 |
| Linear Power Amplifier Design | p. 17 |
| Class A Amplifiers and Linear Amplifiers | p. 17 |
| Gain Match and Power Match | p. 19 |
| Introduction to Load-Pull Measurements | p. 20 |
| Loadline Theory | p. 21 |
| Package Effects and Refinements to Load-Pull Theory | p. 27 |
| Drawing the Load-Pull Contours on CAD Programs | p. 31 |
| Class A Design Example | p. 31 |
| Conclusions | p. 36 |
| References | p. 37 |
| Conventional High Efficiency Amplifier Modes | p. 39 |
| Introduction | p. 39 |
| Reduced Conduction Angle-Waveform Analysis | p. 40 |
| Output Termination | p. 43 |
| Reduced Conduction Angle Mode Analysis-FET Model | p. 47 |
| Class A | p. 48 |
| Class AB | p. 49 |
| Class B | p. 51 |
| Class C | p. 53 |
| Reduced Conduction Angle Mode Analysis-BJT Model | p. 55 |
| Effect of I-V "Knee" | p. 59 |
| Input Drive Requirements | p. 61 |
| Conclusions | p. 65 |
| References | p. 65 |
| Class AB PAs at GHz Frequencies | p. 67 |
| Introduction | p. 67 |
| Class AB Using a Capacitive Harmonic Termination-The Class J PA | p. 68 |
| Theory | p. 68 |
| Practicalities | p. 73 |
| Nonlinear Device Characteristics | p. 77 |
| Nonlinear Capacitance Effects in RF Power Devices | p. 81 |
| Introduction | p. 81 |
| Nonlinear Capacitors-Characterization and Analysis | p. 81 |
| Input Varactor Effects on Class AB PAs | p. 84 |
| Conclusions | p. 89 |
| References | p. 89 |
| Practical Design of Linear RF Power Amplifiers | p. 91 |
| Low-Pass Matching Networks | p. 92 |
| Transmission Line Matching | p. 100 |
| Shorting the Harmonics | p. 102 |
| A Generic MESFET | p. 105 |
| A 2W Class B Design for 850 MHz | p. 107 |
| The Pi Section Power Matching Network | p. 112 |
| Pi Section Analysis for PA Design | p. 115 |
| Class J Design Example | p. 122 |
| HBT Design Example | p. 124 |
| Conclusions | p. 129 |
| References | p. 131 |
| Overdriven PAs and the Class F Mode | p. 133 |
| Introduction | p. 133 |
| Overdriven Class A Amplifier | p. 134 |
| Overdriven Class AB Amplifier | p. 139 |
| Class F: Introduction and Theory | p. 143 |
| Class F in Practice | p. 149 |
| The Clipping Model for the Class F Mode-Class FD | p. 155 |
| PA_Waves | p. 163 |
| Class F Simulations | p. 164 |
| Conclusions | p. 171 |
| References | p. 172 |
| Switching Mode Amplifiers for RF Applications | p. 173 |
| Introduction | p. 173 |
| A Simple Switching Amplifier | p. 174 |
| A Tuned Switching Amplifier | p. 178 |
| The Class D Switching Amplifier | p. 180 |
| Class E-Introduction | p. 182 |
| Class E-Simplified Analysis | p. 183 |
| Class E-Design Example | p. 192 |
| Conclusions | p. 198 |
| References | p. 199 |
| Switching PA Modes at GHz Frequencies | p. 201 |
| Introduction | p. 201 |
| Ignoring the Obvious: Breaking the 100% Barrier | p. 202 |
| Waveform Engineering | p. 205 |
| PA_Waves | p. 216 |
| Implementation and Simulation | p. 225 |
| Conclusions | p. 227 |
| References | p. 229 |
| Nonlinear Effects in RF Power Amplifiers | p. 231 |
| Introduction | p. 231 |
| Two-Carrier Power Series Analysis | p. 233 |
| Two-Carrier Envelope Analysis | p. 240 |
| Envelope Analysis with Variable PAR | p. 246 |
| AM to PM Effects | p. 250 |
| PA Memory Effects | p. 256 |
| Digital Modulation Systems | p. 261 |
| Introduction to Digital Modulation | p. 261 |
| QPSK Modulation Systems | p. 262 |
| CDMA and WCDMA | p. 268 |
| OFDM Modulation, 802.11/16 Standards | p. 275 |
| 30 Watt LDMOS Test Amplifier Measurements | p. 278 |
| Conclusions | p. 282 |
| References | p. 283 |
| Efficiency Enhancement Techniques | p. 285 |
| Introduction | p. 285 |
| Efficiency Enhancement | p. 286 |
| The Doherty Amplifier | p. 290 |
| Realization of the Doherty Amplifier | p. 298 |
| Outphasing Techniques | p. 303 |
| Envelope Elimination and Restoration (EER) | p. 309 |
| Envelope Tracking | p. 311 |
| Power Converters for EER and ET | p. 314 |
| Pulse Width Modulation (PWM) | p. 318 |
| Other Efficiency Enhancement Techniques | p. 323 |
| The Sequential Power Amplifier | p. 323 |
| Pulse Position Modulation | p. 325 |
| RF to DC Conversion | p. 326 |
| RF Switching Techniques | p. 328 |
| Smart Antennas | p. 329 |
| Case Studies in Efficiency Enhancement | p. 330 |
| Conclusions | p. 333 |
| References | p. 334 |
| Power Amplifier Bias Circuit Design | p. 337 |
| Introduction | p. 337 |
| Stability of RF Power Transistors | p. 338 |
| Bias Supply Modulation Effects | p. 343 |
| Bias Network Design | p. 350 |
| Bias Insertion Networks | p. 353 |
| Prime Power Supply Issues | p. 354 |
| Bias Control Circuits | p. 355 |
| Conclusions | p. 356 |
| References | p. 357 |
| Load-Pull Techniques | p. 359 |
| Tuner Design for Fundamental Load-Pull | p. 359 |
| Harmonic Load-Pull | p. 362 |
| Active Harmonic Load-Pull | p. 365 |
| Variations, Results, Conclusions | p. 367 |
| References | p. 369 |
| Power Amplifier Architecture | p. 371 |
| Introduction | p. 371 |
| Push-Pull Amplifiers | p. 372 |
| Balanced Amplifiers | p. 380 |
| Power Combining | p. 387 |
| Multistage PA Design | p. 391 |
| Conclusions | p. 394 |
| References | p. 395 |
| Power Amplifier Linearization Techniques | p. 397 |
| Introduction | p. 397 |
| Introduction to PA Linearization | p. 399 |
| Predistortion | p. 401 |
| Introduction to Predistortion Theory | p. 401 |
| Digital Predistortion (DPD) | p. 404 |
| Analog Predistortion | p. 407 |
| Predistortion-Conclusions | p. 410 |
| Feedforward Techniques | p. 410 |
| Feedforward, Introduction | p. 410 |
| Feedforward-Gain Compression | p. 411 |
| Feedforward-Effect of the Output Coupler | p. 414 |
| Feedforward-Adaptive Controls | p. 417 |
| Feedforward-Practical Issues, Conclusions | p. 418 |
| Feedback Techniques | p. 419 |
| Introduction, Direct Feedback Techniques | p. 419 |
| Indirect Feedback Techniques-Introduction | p. 420 |
| The Cartesian Loop | p. 421 |
| The Polar Loop | p. 423 |
| Other Linearization Methods | p. 424 |
| Conclusions | p. 425 |
| References | p. 426 |
| PA_Waves | p. 429 |
| Spectral Analysis Using Excel IQ Spreadsheets | p. 433 |
| Bibliography | p. 435 |
| Introductory Texts on RF and Microwave Techniques | p. 435 |
| Wireless Communications | p. 435 |
| Digital Modulation | p. 435 |
| Nonlinear Techniques and Modeling | p. 435 |
| Power Amplifier Techniques | p. 435 |
| Recommended Reading | p. 436 |
| Glossary | p. 437 |
| About the Author | p. 441 |
| Index | p. 443 |
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