查尔斯·K. 亚历山大（Charles K. Alexander） 分别于1967年和1971年获得俄亥俄大学电气工程硕士学位和博士学位，现为美国克利夫兰州立大学菲恩工学院电气与计算机工程系教授，并担任电子学与航空航天技术研究中心主任。他是IEEE会士，曾任IEEE主席和CEO。他于1984年获得IEEE百年奖章，还先后荣获英国工程委员会颁发的杰出教育成就奖和杰出工程教育领导奖。
马修·N. O. 萨迪库（Matthew N.O. Sadiku） 博士，美国普雷里维尤农工大学教授，兼任IEEE《Transactions on Education》杂志副主编。他曾在朗讯、波音等公司从事研发工作，发表过170余篇学术论文，出版过近30部著作。
章节目录
Preface iii About the Authors xi PART 1 DC Circuits 2 Chapter 1 Basic Concepts 3 1.1 Introduction 4 1.2 Systems of Units 5 1.3 Charge and Current 6 1.4 Voltage 9 1.5 Power and Energy 10 1.6 Circuit Elements 14 1.7 Problem Solving 16 Chapter 2 Basic Laws 23 2.1 Introduction 24 2.2 Ohm’s Law 24 2.3 Nodes, Branches, and Loops 29 2.4 Kirchhoff’s Laws 31 2.5 Series Resistors and Voltage Division 37 2.6 Parallel Resistors and Current Division 38 2.7 Wye-Delta Transformations 45 Problems 51 Chapter 3 Methods of Analysis 61 3.1 Introduction 62 3.2 Nodal Analysis 62 3.3 Nodal Analysis with Voltage Sources 68 3.4 Mesh Analysis 73 3.5 Mesh Analysis with Current Sources 78 3.6 Nodal and Mesh Analyses by Inspection 80 3.7 Nodal Versus Mesh Analysis 84 Problems 85 Chapter 4 Circuit Theorems 97 4.1 Introduction 98 4.2 Linearity Property 98 4.3 Superposition 101 4.4 Source Transformation 105 4.5 Thevenin’s Theorem 109 4.6 Norton’s Theorem 115 4.7 Derivations of Thevenin’s and Norton’s Theorems 119 4.8 Maximum Power Transfer 120 Problems 122 Chapter 5 Operational Amplifiers 133 5.1 Introduction 134 5.2 Operational Amplifiers 134 5.3 Ideal Op Amp 138 5.4 Inverting Amplifier 139 5.5 Noninverting Amplifier 141 5.6 Summing Amplifier 143 5.7 Difference Amplifier 145 5.8 Cascaded Op Amp Circuits 148 Problems 152 Chapter 6 Capacitors and Inductors 163 6.1 Introduction 164 6.2 Capacitors 164 6.3 Series and Parallel Capacitors 170 6.4 Inductors 174 6.5 Series and Parallel Inductors 178 Problems 182 Chapter 7 First-Order Circuits 191 7.1 Introduction 192 7.2 The Source-Free RC Circuit 193 7.3 The Source-Free RL Circuit 197 7.4 Singularity Functions 203 7.5 Step Response of an RC Circuit 211 7.6 Step Response of an RL Circuit 218 Problems 222 PART 2 AC Circuits 270 Chapter 9 Sinusoids and Phasors 271 9.1 Introduction 272 9.2 Sinusoids 273 9.3 Phasors 278 9.4 Phasor Relationships for Circuit Elements 287 9.5 Impedance and Admittance 289 9.6 Kirchhoff’s Laws in the Frequency Domain 291 9.7 Impedance Combinations 292 Problems 298 Chapter 10 Sinusoidal Steady-State Analysis 307 10.1 Introduction 308 10.2 Nodal Analysis 308 10.3 Mesh Analysis 311 Chapter 11 AC Power Analysis 339 11.1 Introduction 340 11.2 Instantaneous and Average Power 340 11.3 Maximum Average Power Transfer 346 11.4 E?ective or RMS Value 349 11.5 Apparent Power and Power Factor 352 11.6 Complex Power 355 11.7 Conservation of AC Power 359 11.8 Power Factor Correction 363 Problems 365 Chapter 12 Three-Phase Circuits 375 12.1 Introduction 376 12.2 Balanced Three-Phase Voltages 377 12.3 Balanced Wye-Wye Connection 381 12.4 Balanced Wye-Delta Connection 384 12.5 Balanced Delta-Delta Connection 386 12.6 Balanced Delta-Wye Connection 388 12.7 Power in a Balanced System 391 12.8 Unbalanced Three-Phase Systems 397 Problems 401 Chapter 13 Magnetically Coupled Circuits 409 13.1 Introduction 410 13.2 Mutual Inductance 411 13.3 Energy in a Coupled Circuit 418 13.4 Linear Transformers 421 13.5 Ideal Transformers 427 13.6 Ideal Autotransformers 435 13.7 Three-Phase Transformers 438 Problems 441 Chapter 14 Frequency Response 453 14.1 Introduction 454 14.2 Transfer Function 454 14.3 The Decibel Scale 457 14.4 Bode Plots 459 14.5 Series Resonance 469 14.6 Parallel Resonance 474 14.7 Passive Filters 477 14.7.1 Low-Pass Filter 14.7.2 High-Pass Filter 14.7.3 Band-Pass Filter 14.7.4 Band-Stop Filter 14.8 Active Filters 482 14.8.1 First-Order Low-Pass Filter 14.8.2 First-Order High-Pass Filter 14.8.3 Band-Pass Filter 14.8.4 Band-Reject (or Notch) Filter 14.9 Scaling 488 14.9.1 Magnitude Scaling 14.9.2 Frequency Scaling 14.9.3 Magnitude and Frequency Scaling Problems492 Appendix A Simultaneous Equations and Matrix Inversion A-1 Appendix B Complex Numbers A-10 Appendix C Mathematical Formulas A-17 Appendix D Answers to Odd-Numbered Problems A-22
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