| Preface | p. xiii |
| Acknowledgments | p. xvii |
| Linear RF amplifier design--general considerations | p. 1 |
| Introduction | p. 1 |
| Power gain definitions | p. 3 |
| Neutralization | p. 7 |
| Unilateral transducer gain | p. 8 |
| Unilateral figure of merit | p. 10 |
| Illustrative example: unilateral gain calculations | p. 12 |
| Amplifier design with single matching networks | p. 13 |
| Unilateral constant gain circles | p. 15 |
| Illustrative example: single-sided amplifier design | p. 15 |
| RF circuit stability considerations | p. 19 |
| What may cause RF oscillation | p. 22 |
| Stability analysis with arbitrary source and load terminations | p. 25 |
| Two-port stability considerations | p. 30 |
| Stability circles | p. 35 |
| Graphical forms of unconditional stability | p. 40 |
| Graphical forms of potential instability | p. 41 |
| Caution about multistage systems | p. 42 |
| Stabilizing an active two-port | p. 46 |
| Finding the minimum-loss resistor at the input of the device | p. 47 |
| Broadband stability considerations | p. 49 |
| Stabilization of a bipolar transistor | p. 50 |
| Examining the effect of lossless feedback | p. 50 |
| Device stabilization | p. 51 |
| The dc bias techniques | p. 59 |
| Passive dc bias networks | p. 60 |
| Active dc bias circuits | p. 63 |
| Feeding dc bias into the RF circuit | p. 64 |
| The dc bias circuit simulation | p. 65 |
| Filtering of dc bias networks | p. 69 |
| Statistical and worst-case analyses | p. 69 |
| Circuit layout considerations | p. 71 |
| Summary | p. 74 |
| Problems | p. 74 |
| References | p. 75 |
| Selected bibliography | p. 76 |
| Linear and low-noise RF amplifiers | p. 77 |
| Introduction | p. 77 |
| Bilateral RF amplifier design for maximum small-signal gain | p. 78 |
| Illustrative exercise: amplifier design for maximum gain, G[subscript MAX] | p. 82 |
| Multistage amplifiers | p. 88 |
| Cascading impedance-matched stages | p. 88 |
| Cascading amplifiers by direct impedance matching | p. 89 |
| Output power and impedance match considerations of cascaded amplifiers | p. 92 |
| Operating gain design for maximum linear output power | p. 94 |
| Operating gain design outline | p. 95 |
| G[subscript P] versus P[subscript OUT] trade-offs | p. 97 |
| Stability considerations | p. 97 |
| Illustrative example: operating gain design for maximum linear power output | p. 98 |
| Output match considerations | p. 101 |
| Noise in RF circuits | p. 102 |
| Review of noise sources in RF systems | p. 102 |
| Two-port noise parameter definitions | p. 106 |
| Available gain design technique | p. 107 |
| Available gain design outline | p. 108 |
| Low-noise amplifier design considerations | p. 110 |
| Illustrative example: design of a single-ended 1.9-GHz LNA | p. 111 |
| Balanced amplifiers | p. 114 |
| Illustrative example: design of a balanced LNA for the 1.7- to 2.3-GHz frequency range | p. 116 |
| Comparison of the various amplifier designs and Smith chart-based graphical design aids | p. 121 |
| Broadband amplifiers | p. 123 |
| Reactive match/mismatch approach | p. 124 |
| Dissipative mismatch at input and/or output ports | p. 125 |
| Amplifier-equalizer combinations | p. 129 |
| Feedback amplifiers | p. 129 |
| Distributed amplifiers | p. 141 |
| Summary | p. 142 |
| Problems | p. 143 |
| References | p. 144 |
| Selected bibliography | p. 145 |
| Active RF devices and their modeling | p. 147 |
| The diode model | p. 148 |
| Two-port device models | p. 150 |
| The output terminals of a two-port RF device | p. 150 |
| The bipolar transistor | p. 153 |
| The heterojunction bipolar transistor | p. 173 |
| The GaAs MESFET | p. 177 |
| The high-electron mobility transistor | p. 184 |
| Silicon LDMOS and CMOS technologies | p. 187 |
| Problems | p. 190 |
| References | p. 190 |
| Nonlinear circuit simulation techniques | p. 193 |
| Classification of nonlinear circuit simulators | p. 193 |
| Analytical methods | p. 194 |
| Time-domain methods | p. 194 |
| Hybrid time- and frequency-domain techniques--harmonic balance | p. 197 |
| Frequency-domain techniques | p. 200 |
| The harmonic balance method | p. 202 |
| Harmonic balance analysis of oscillators | p. 207 |
| Oscillator analysis using probes | p. 208 |
| Oscillator analysis using reflection coefficients of the device and resonant load | p. 209 |
| Oscillator analysis using a directional coupler to measure open-loop gain | p. 214 |
| References | p. 215 |
| High-power RF transistor amplifier design | p. 217 |
| Nonlinear concepts | p. 217 |
| Some nonlinear phenomena | p. 220 |
| Quasi-linear power amplifier design | p. 223 |
| The amplifier load line | p. 224 |
| Load pull methods | p. 232 |
| Categories of amplifiers | p. 243 |
| Class-A amplifier | p. 243 |
| Class-B amplifier | p. 248 |
| Class-F amplifier | p. 257 |
| Comparison of class-A, class-B, class-F, and other operational modes | p. 265 |
| Switching-mode amplifiers | p. 271 |
| Cascaded power amplifier design | p. 278 |
| Power amplifier design example | p. 280 |
| Transistor selection | p. 281 |
| Transistor characterization | p. 282 |
| Matching the input and output of the device | p. 286 |
| Harmonic tuning example | p. 296 |
| Bias considerations | p. 298 |
| Bias changes at the input | p. 298 |
| Bias changes at the output | p. 302 |
| Bias considerations with power devices | p. 304 |
| Distortion reduction | p. 307 |
| The importance of amplifier linearity | p. 309 |
| Operating the amplifier backed off | p. 311 |
| Predistortion | p. 312 |
| Feedforward cancellation | p. 317 |
| Device modification | p. 319 |
| System-level reduction of distortion | p. 325 |
| Problems | p. 328 |
| References | p. 334 |
| Oscillators | p. 337 |
| Principles of oscillator design | p. 338 |
| Two-port oscillator design approach | p. 338 |
| One-port oscillator design approach | p. 349 |
| Transistor oscillator configurations | p. 373 |
| Characterizing oscillator phase noise | p. 390 |
| Oscillator design examples | p. 404 |
| 45.455-MHz Colpitts crystal oscillator design | p. 404 |
| Design of a 3.7- to 4.2-GHz voltage-controlled oscillator | p. 410 |
| Problems | p. 429 |
| References | p. 431 |
| Mixers and frequency multipliers | p. 433 |
| Mixer overview and their applications in systems | p. 433 |
| Diode mixers and their topologies | p. 442 |
| Single-ended mixer | p. 443 |
| Single-balanced mixer | p. 445 |
| Double-balanced mixer | p. 451 |
| The image problem in mixers | p. 455 |
| Harmonic components in mixers | p. 460 |
| Transistor mixer design | p. 464 |
| Active transistor mixers | p. 464 |
| Resistive FET mixers | p. 488 |
| Dual-gate FET mixers | p. 494 |
| Comparison of mixers | p. 500 |
| Frequency multipliers--an overview | p. 501 |
| Frequency doublers | p. 502 |
| Arbitrary frequency multiplication | p. 505 |
| Problems | p. 506 |
| References | p. 507 |
| Circuits in systems--radio system applications | p. 509 |
| Mobile telephony systems | p. 509 |
| Second generation mobile systems | p. 510 |
| Third generation mobile systems | p. 512 |
| Software-defined radio | p. 515 |
| RF digital processing | p. 515 |
| Digital processing of a wideband IF | p. 517 |
| Digital processing at baseband (direct conversion) | p. 518 |
| Transceiver issues associated with software-defined radio | p. 520 |
| A 1.9-GHz radio chip set: design overview | p. 522 |
| The air interface specification for PHS | p. 522 |
| Component specification | p. 523 |
| Component design | p. 525 |
| Integrated system chips: an overview | p. 531 |
| RF receiver front ends | p. 532 |
| RF upconverters and transmitter driver amplifiers | p. 536 |
| Transceiver and complete radio solutions | p. 538 |
| Power amplifier modules | p. 543 |
| Conclusion | p. 544 |
| References | p. 545 |
| Appendix | p. 547 |
| Summary of Basic Formulas - 1 | p. 547 |
| Summary of Basic Formulas - 2 | p. 549 |
| About the Authors | p. 551 |
| Index | p. 553 |
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