资 源 简 介
Acknowledgments xvii1 Linear RF amplifier design— general consideraTIons 11.1 IntroducTIon 11.2 Power gain definiTIons 31.3 NeutralizaTIon 71.4 Unilateral transducer gain 81.4.1 Unilateral figure of merit 101.4.2 Illustrative example: unilateral gain calculations 121.4.3 Amplifier design with single matching networks 131.4.4 Unilateral constant gain circles 151.4.5 Illustrative example: single-sided amplifier design 151.5 RF circuit stability considerations 191.5.1 What may cause RF oscillation 221.5.2 Stability analysis with arbitrary source and load terminations 251.5.3 Two-port stability considerations 301.5.4 Stability circles 351.5.5 Graphical forms of unconditional stability 401.5.6 Graphical forms of potential instability 411.5.7 Caution about multistage systems 421.6 Stabilizing an active two-port 461.6.1 Finding the minimum-loss resistor at the input of the device 471.6.2 Broadband stability considerations 491.7 Stabilization of a bipolar transistor 501.7.1 Examining the effect of lossless feedback 501.7.2 Device stabilization 511.8 The dc bias techniques 591.8.1 Passive dc bias networks 601.8.2 Active dc bias circuits 631.8.3 Feeding dc bias into the RF circuit 641.8.4 The dc bias circuit simulation 651.8.5 Filtering of dc bias networks 691.9 Statistical and worst-case analyses 69
1.10 Circuit layout considerations 711.11 Summary 741.12 Problems 74References 75Selected bibliography 762 Linear and low-noise RF amplifiers 772.1 Introduction 772.2 Bilateral RF amplifier design for maximum small-signal gain 782.2.1 Illustrative exercise: amplifier design for maximum gain, GMAX 822.3 Multistage amplifiers 882.3.1 Cascading impedance-matched stages 882.3.2 Cascading amplifiers by direct impedance matching 892.3.3 Output power and impedance match considerations ofcascaded amplifiers 922.4 Operating gain design for maximum linear output power 942.4.1 Operating gain design outline 952.4.2 GP versus POUT trade-offs 972.4.3 Stability considerations 972.4.4 Illustrative example: operating gain design for maximumlinear power output 982.4.5 Output match considerations 1012.5 Noise in RF circuits 1022.5.1 Review of noise sources in RF systems 1022.5.2 Two-port noise parameter definitions 1062.6 Available gain design technique 1072.6.1 Available gain design outline 1082.6.2 Low-noise amplifier design considerations 1102.6.3 Illustrative example: design of a single-ended 1.9-GHz LNA 1112.6.4 Balanced amplifiers 1142.6.5 Illustrative example: design of a balanced LNA for the 1.7-to 2.3-GHz frequency range 1162.7 Comparison of the various amplifier designs and Smith chart–based graphical design aids 1212.8 Broadband amplifiers 1232.8.1 Reactive match/mismatch approach 1242.8.2 Dissipative mismatch at input and/or output ports 1252.8.3 Amplifier-equalizer combinations 1292.8.4 Feedback amplifiers 1292.8.5 Distributed amplifiers 1412.9 Summary 1422.10 Problems 143References 144Selected bibliography 145
