电路基础 改编版 英文PDF电子书下载

PART 1 DC Circuits 2

Chapter 1 Basic Concepts 3

1.1 Introduction 4

1.2 Systems of Units 4

1.3 Charge and Current 6

1.4 Voltage 9

1.5 Power and Energy 9

1.6 Circuit Elements 13

1.7 +Applications 15

1.7.1 TV Picture Tube 15

1.7.2 Electricity Bills 17

1.8 +Problem Solving 18

1.9 Summary 21

Review Questions 22

Problems 22

Chapter 2 Basic Laws 27

2.1 Introduction 28

2.2 Ohm's Law 28

2.3 Nodes,Branches,and Loops 33

2.4 Kirchhoff's Laws 35

2.5 Series Resistors and Voltage Division 41

2.6 Parallel Resistors and Current Division 43

2.7 Wye-Delta Transformations 50

2.8 +Applications 56

2.8.1 Lighting Systems 56

2.8.2 Design of DC Meters 58

2.9 Summary 61

Review Questions 63

Problems 64

Chapter 3 Methods of Analysis 69

3.1 Introduction 70

3.2 Nodal Analysis 70

3.3 Nodal Analysis with Voltage Sources 76

3.4 Mesh Analysis 81

3.5 Mesh Analysis with Current Sources 86

3.6 +Nodal and Mesh Analyses by Inspection 88

3.7 Nodal Versus Mesh Analysis 91

3.8 +Applications 92

DC Transistor Circuits 92

3.9 Summary 95

Review Questions 96

Problems 97

Chapter 4 Circuit Theorems 101

4.1 Introduction 102

4.2 Linearity Property 102

4.3 Superposition 104

4.4 Source Transformation 109

4.5 Thevenin's Theorem 113

4.6 Norton's Theorem 119

4.7 Maximum Power Transfer 123

4.8 +Applications 125

4.8.1 Source Modeling 125

4.8.2 Resistance Measurement 127

4.9 Summary 130

Review Questions 131

Problems 131

Chapter 5 Capacitors and Inductors 137

5.1 Introduction 138

5.2 Capacitors 138

5.3 Series and Parallel Capacitors 144

5.4 Inductors 148

5.5 Series and Parallel Inductors 152

5.6 +Applications 155

Photoflash Unit 156

5.7 Summary 158

Review Questions 158

Problems 159

Chapter 6 First-Order Circuits 163

6.1 Introduction 164

6.2 The Source-Free RC Circuit 164

6.3 The Source-Free RL Circuit 169

6.4 Singularity Functions 175

6.5 Step Response of an RC Circuit 183

6.6 Step Response of an RL Circuit 190

6.7 +Applications 194

6.7.1 Delay Circuits 194

6.7.2 Relay Circuits 196

6.8 Summary 198

Review Questions 199

Problems 199

Chapter 7 Second-Order Circuits 205

7.1 Introduction 206

7.2 Finding Initial and Final Values 206

7.3 The Source-Free Series RLC Circuit 211

7.4 The Source-Free Parallel RLC Circuit 218

7.5 Step Response of a Series RLC Circuit 223

7.6 Step Response of a Parallel RLC Circuit 228

7.7 General Second-Order Circuits 231

7.8 +Applications 236

Automobile Ignition System 236

7.9 Summary 238

Review Questions 238

Problems 240

PART 2 AC Circuits 244

Chapter 8 Sinusoids and Phasors 245

8.1 Introduction 246

8.2 Sinusoids 247

8.3 Phasors 251

8.4 Phasor Relationships for Circuit Elements 259

8.5 Impedance and Admittance 261

8.6 Kirchhoff's Laws in the Frequency Domain 263

8.7 Impedance Combinations 264

8.8 +Applications 270

Phase-Shifters 270

8.9 Summary 272

Review Questions 273

Problems 274

Chapter 9 Sinusoidal Steady-State Analysis 277

9.1 Introduction 278

9.2 Nodal Analysis 278

9.3 Mesh Analysis 281

9.4 Superposition Theorem 285

9.5 Source Transformation 288

9.6 Thevenin and Norton Equivalent Circuits 290

9.7 +Applications 295

AC Bridges 295

9.8 Summary 297

Review Questions 298

Problems 299

Chapter 10 AC Power Analysis 303

10.1 Introduction 304

10.2 Instantaneous and Average Power 304

10.3 Maximum Average Power Transfer 310

10.4 Effective or RMS Value 313

10.5 Apparent Power and Power Factor 316

10.6 Complex Power 319

10.7 +Conservation of AC Power 323

10.8 Power Factor Correction 327

10.9 +Applications 329

10.9.1 Power Measurement 329

10.9.2 Electricity Consumption Cost 331

10.10 Summary 334

Review Questions 335

Problems 336

Chapter 11 Three-Phase Circuits 341

11.1 Introduction 342

11.2 Balanced Three-Phase Voltages 343

11.3 Balanced Wye-Wye Connection 346

11.4 Balanced Wye-Delta Connection 350

11.5 Balanced Delta-Delta Connection 352

11.6 Balanced Delta-Wye Connection 354

11.7 Power in a Balanced System 357

11.8 +Unbalanced Three-Phase Systems 363

11.9 +Applications 367

11.9.1 Three-Phase Power Measurement 367

11.9.2 Residential Wiring 372

11.10 Summary 375

Review Questions 375

Problems 376

Chapter 12 Magnetically Coupled Circuits 381

12.1 Introduction 382

12.2 Mutual Inductance 382

12.3 Energy in a Coupled Circuit 390

12.4 Linear Transformers 393

12.5 Ideal Transformers 399

12.6 +Applications 407

12.6.1 Transformer as an Isolation Device 407

12.6.2 Transformer as a Matching Device 409

12.7 Summary 410

Review Questions 411

Problems 412

Chapter 13 Frequency Response 417

13.1 Introduction 418

13.2 Transfer Function 418

13.3 Series Resonance 421

13.4 Parallel Resonance 426

13.5 Passive Filters 429

13.5.1 Lowpass Filter 430

13.5.2 Highpass Filter 431

13.5.3 Bandpass Filter 431

13.5.4 Bandstop Filter 432

13.6 Computation Using MATLAB 434

13.7 +Applications 436

13.7.1 Radio Receiver 436

13.7.2 Touch-Tone Telephone 439

13.8 Summary 440

Review Questions 441

Problems 442

PART 3 Advanced Circuit Analysis 445

Chapter 14 The Laplace Transform 447

14.1 Introduction 448

14.2 Definition of the Laplace Transform 448

14.3 Properties of the Laplace Transform 451

14.4 The Inverse Laplace Transform 462

14.4.1 Simple Poles 462

14.4.2 Repeated Poles 463

14.4.3 Complex Poles 464

14.5 Circuit Element Models 469

14.6 Circuit Analysis 475

14.7 Transfer Functions 479

14.8 +Applications 483

14.8.1 Network Stability 484

14.8.2 Network Synthesis 487

14.9 Summary 490

Review Questions 491

Problems 491

Chapter 15 The Fourier Series 495

15.1 Introduction 496

15.2 Trigonometric Fourier Series 496

15.3 Symmetry Considerations 504

15.3.1 Even Symmetry 504

15.3.2 Odd Symmetry 506

15.3.3 Half-Wave Symmetry 508

15.4 Circuit Applications 514

15.5 Average Power and RMS Values 518

15.6 +Applications 521

15.6.1 Spectrum Analyzers 522

15.6.2 Filters 522

15.7 Summary 525

Review Questions 527

Problems 527

Chapter 16 Two-Port Networks 533

16.1 Introduction 534

16.2 Impedance Parameters 534

16.3 Admittance Parameters 539

16.4 Hybrid Parameters 542

16.5 Transmission Parameters 545

16.6 +Relationships Between Parameters 549

16.7 Interconnection of Networks 552

16.8 +Applications 558

Ladder Network Synthesis 558

16.9 Summary 561

Review Questions 562

Problems 563

Appendix A Simultaneous Equations and Matrix Inversion 568

Appendix B Complex Numbers 577

Appendix C MATLAB 584

Appendix D Answers to Odd-Numbered Problems 603

Bibliography 611