电工学原理与应用 第7版 英文版PDF电子书下载

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1 Introduction 1

1.1 Overview of Electrical Engineering 2

1.2 Circuits，Currents，and Voltages 5

1.3 Power and Energy 11

1.4 Kirchhoff’s Current Law 14

1.5 Kirchhoff’s Voltage Law 17

1.6 Introduction to Circuit Elements 20

1.7 Introduction to Circuits 27

Summary 30

Problems 31

Practice Test 38

2 Resistive Circuits 40

2.1 Resistances in Series and Parallel 41

2.2 Network Analysis by Using Series and Parallel Equivalents 44

2.3 Voltage-Divider and Current-Divider Circuits 48

2.4 Node-Voltage Analysis 51

2.5 Thevenin and Norton Equivalent Circuits 61

2.6 Superposition Principle 72

2.7 Wheatstone Bridge 75

Summary 77

Problems 78

Practice Test 88

3 Inductance and Capacitance 91

3.1 Capacitance 92

3.2 Capacitances in Series and Parallel 99

3.3 Physical Characteristics of Capacitors 101

3.4 Inductance 105

3.5 Inductances in Series and Parallel 109

3.6 Practical Inductors 111

3.7 Mutual Inductance 112

Summary 114

Problems 114

Practice Test 121

4 Transients 122

4.1 First-OrderRC Circuits 123

4.2 DC Steady State 128

4.3 RL Circuits 129

4.4 RC and RL Circuits with General Sources 133

Summary 140

Problems 140

Practice Test 146

5 Steady-State Sinusoidal Analysis 147

5.1 Sinusoidal Currents and Voltages 148

5.2 Phasors 153

5.3 Complex Impedances 158

5.4 Circuit Analysis with Phasors and Complex Impedances 162

5.5 Power in AC Circuits 166

5.6 Thevenin and Norton Equivalent Circuits 177

5.7 Balanced Three-Phase Circuits 182

Summary 192

Problems 193

Practice Test 202

6 Frequency Response，Bode Plots，and Resonance 203

6.1 Fourier Analysis，Filters，and Transfer Functions 204

6.2 First-Order Lowpass Filters 211

6.3 Decibels，the Cascade Connection，and Logarithmic Frequency Scales 215

6.4 Bode Plots 220

6.5 First-Order Highpass Filters 222

6.6 Series Resonance 225

6.7 Parallel Resonance 230

Summary 232

Problems 233

Practice Test 240

7 Logic Circuits 242

7.1 Basic Logic Circuit Concepts 243

7.2 Representation of Numerical Data in Binary Form 245

7.3 Combinatorial Logic Circuits 252

7.4 Synthesis of Logic Circuits 259

7.5 Minimization of Logic Circuits 265

7.6 Sequential Logic Circuits 269

Summary 278

Problems 279

Practice Test 285

8 Diodes 287

8.1 Basic Diode Concepts 288

8.2 Load-Line Analysis of Diode Circuits 291

8.3 Zener-Diode Voltage-Regulator Circuits 293

8.4 Ideal-Diode Model 296

8.5 Piecewise-Linear Diode Models 298

8.6 Rectifier Circuits 301

8.7 Wave-Shaping Circuits 305

8.8 Linear Small-Signal Equivalent Circuits 309

Summary 314

Problems 314

Practice Test 323

9 Amplifiers：Specifications and External Characteristics 325

9.1 Basic Amplifier Concepts 326

9.2 Cascaded Amplifiers 330

9.3 Power Supplies and Efficiency 332

9.4 Additional Amplifier Models 335

9.5 Importance of Amplifier Impedances in Various Applications 338

9.6 Ideal Amplifiers 340

9.7 Frequency Response 342

9.8 Linear Waveform Distortion 345

9.9 Pulse Response 349

9.10 Transfer Characteristic and Nonlinear Distortion 351

9.11 Differential Amplifiers 354

9.12 Offset Voltage，Bias Current，and Offset Current 357

Summary 361

Problems 362

Practice Test 371

10 Field-Effect Transistors 372

10.1 NMOS and PMOS Transistors 373

10.2 Load-Line Analysis of a Simple NMOS Amplifier 379

10.3 Bias Circuits 382

10.4 Small-Signal Equivalent Circuits 385

10.5 Common-Source Amplifiers 389

10.6 Source Followers 392

10.7 CMOS Logic Gates 396

Summary 401

Problems 401

Practice Test 407

11 Bipolar Junction Transistors 408

11.1 Current and Voltage Relationships 409

11.2 Common-Emitter Characteristics 411

11.3 Load-Line Analysis of a Common-Emitter Amplifier 413

11.4 pnp Bipolar Junction Transistors 418

11.5 Large-Signal DC Circuit Models 420

11.6 Large-Signal DC Analysis of BJT Circuits 422

11.7 Small-Signal Equivalent Circuits 428

11.8 Common-Emitter Amplifiers 431

11.9 Emitter Followers 436

Summary 440

Problems 441

Practice Test 447

12 Operational Amplifiers 449

12.1 Ideal Operational Amplifiers 450

12.2 Inverting Amplifiers 451

12.3 Noninverting Amplifiers 457

12.4 Nonlinear Limitations 460

12.5 Differential and Instrumentation Amplifiers 464

12.6 Integrators and Differentiators 466

12.7 Active Filters 468

Summary 472

Problems 473

Practice Test 479

13 Magnetic Circuits and Transformers 481

13.1 Magnetic Fields 482

13.2 Magnetic Circuits 489

13.3 Inductance and Mutual Inductance 494

13.4 Magnetic Materials 498

13.5 Ideal Transformers 500

13.6 Real Transformers 507

Summary 511

Problems 511

Practice Test 519

14 AC Machines 520

14.1 Three-Phase Induction Motors 521

14.2 Equivalent-Circuit and Performance Calculations for Induction Motors 528

14.3 Synchronous Machines 536

14.4 Single-Phase Motors 546

14.5 Stepper Motors and Brushless DC Motors 549

Summary 550

Problems 551

Practice Test 556

APPENDICES 557

A Complex Numbers 557

Summary 563

Problems 563

B Nominal Values and the Color Code for Resistors 565

C The Fundamentals of Engineering Examination 567

D Answers for the Practice Tests 568

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