电路基础：英文版

第1章 电路变量和电路元件

Circuit Variables and Circuit Elements

第2章 化简电路的常用方法

Some Circuit Simplification Techniques

第3章 电路分析

Techniques of Circuit Analysis

第4章 运算放大器

The Operational Amplifier

第5章 RL和RC电路的固有响应和阶跃响应

The Natural and Step Response of RL and RC Circuits

第6章 RLC电路的固有响应和阶跃响应

Natural and Step Responses of RLC Circuits

第7章 正弦稳态分析

Sinusoidal Steady－State Analysis

第8章 拉氏变换介绍

Introduction to the Laplace Transform

第9章 拉氏变换在电路分析中的应用

The Laplace Transform in Circuit Analysis

附录A 国际单位制

The International System of Units

附录B 复数

Complex Numbers

附录C 三角恒等式简表

An Abbreviated Table of Trigonometric Identities

附录D 积分简表

An Abbreviated Table of Integrals

附录E 部分习题答案

Answers to Selected Problems

索引

Index

Chapter 1 Circuit Variables and Circuit

Elements 1

1.1 Circuit Analysis: An Overview 2

1.2 Voltage, Current, and the Basic Circuit Elements 3

1.3 The Ideal Basic Circuit Element 5

1.4 Power and Energy 7

1.5 Voltage and Current Sources 10

1.6 Electrical Resistance (Ohm's Law) 14

1.7 Kirchhoff's Laws 18

1.8 Analysis of a Circuit Containing Dependent Sources 26

Summary 29

Problems 30

Chapter 2 Some Circuit Simplification

Techniques 44

Practical Perspective: Digital-to-Analog Resistive

Ladder 44

2.1 Combining Resistors in Series and Parallel 46

2.2 Voltage and Current Dividers 50

2.3 Source Transformations 54

2.4 Superposition 58

Practical Perspective: Digital-to-Analog Resistive

Ladder 62

Summary 65

Problems 66

Chapter 3 Techniques of Circuit Analysis 76

Practical Perspective: Circuits with Realistic

Resistors 76

3.1 Terminology 78

3.2 Introduction to the Node-Voltage Method 83

3.3 The Node-Voltage Method and Dependent Sources 86

3.4 The Node-Voltage Method: Some Special Cases 88

3.5 Introduction to the Mesh-Current Method 91

3.6 The Mesh-Current Method and Dependent Sources 95

3.7 The Mesh-Current Method: Some Special Cases 97

3.8 The Node-Voltage Method Versus the Mesh-Current

Method 99

3.9 Thevenin and Norton Equivalents 104

3.10 More on Deriving a Thevenin Equivalent 111

3.11 Maximum Power Transfer 113

Practical Perspective: Circuits with Realistic

Resistors 116

Summary 120

Problems 122

Chapter 4 The Operational Amplifier 144

Practical Perspective: The Flash Converter 144

4.1 Operational Amplifier Terminals 146

4.2 Terminal Voltages and Currents 147

4.3 The Inverting-Amplifier Circuit 152

4.4 The Summing-Amplifier Circuit 154

4.5 The Noninverting-Amplifier Circuit 155

4.6 The Difference-Amplifier Circuit 156

4.7 The Comparator 162

Practical Perspective: The Flash Converter 164

Summary 165

Problems 166

Chapter 5 The Natural and Step Response of RL

and RC Circuits 180

Practical Perspective: Dual Slope Analog-to-Digital

Converter 180

5.1 The Inductor 182

5.2 The Capacitor 189

5.3 Series-Parallel Combinations of Inductance and

Capacitance 195

5.4 Natural Response of RL and RC Circuits 198

5.5 Step Response of RL and RC Circuits 214

5.6 The Integrating Amplifier 231

Practical Perspective: Dual Slope Analog-to-Digital

Converter 234

Summary 236

Problems 238

Chapter 6 Natural and Step Responses of RLC

Circuits 262

Practical Perspective: Parasitic Inductance 262

6.1 Introduction to the Natural Response of a Parallel

RLC Circuit 264

6.2 The Forms of the Natural Response of a Parallel RLC

Circuit 270

6.3 The Step Response of a Parallel RLC Circuit 283

6.4 The Natural and Step Response of a Series RLC

Circuit 291

Practical Perspective: Parasitic Inductance 297

Summary 298

Problems 300

Chapter 7 Sinusoidal Steady-State

Analysis 310

Practical Perspective: Household Distribution

Circuit 310

7.1 The Sinusoidal Source 312

7.2 The Sinusoidal Response 317

7.3 The Phasor 319

7.4 The Passive Circuit Elements in the Frequency

Domain 325

7.5 Kirchhoff's Laws in the Frequency Domain 329

7.6 Circuit Simplifications 331

7.7 The Node-Voltage Method 341

7.8 The Mesh-Current Method 343

7.9 Instantaneous, Average, and Reactive Power 344

7.10 The rms Value and Power Calculations 350

7.11 Complex Power and Power Calculations 353

Practical Perspective: Household Distribution

Circuit 366

Summary 369

Problems 372

Chapter 8 Introduction to the Laplace

Transform 394

Practical Perspective: Two-Stage RC Ladder 394

8.1 Definition of the Laplace Transform 396

8.2 The Step Function 398

8.3 The Impulse Function 401

8.4 Functional Transforms 405

8.5 Operational Transforms 406

8.6 Applying the Laplace Transform 412

8.7 Inverse Transforms 414

8.8 Poles and Zeros of F(s) 426

8.9 Initial- and Final-Value Theorems 427

Practical Perspective: Two-Stage RC Ladder 431

Summary 432

Problems 433

Chapter 9 The Laplace Transform in Circuit

Analysis 442

Practical Perspective: Creation of a Voltage Surge 442

9.1 Circuit Elements in the s Domain 444

9.2 Circuit Analysis in the s Domain 447

9.3 Applications 449

9.4 The Transfer Function 463

9.5 The Transfer Function in Partial Fraction

Expansions 465

9.6 The Transfer Function and the Convolution

Integral 469

9.7 The Transfer Function and the Steady-State Sinusoidal

Response 477

9.8 The Impulse Function in Circuit Analysis 480

Practical Perspective: Creation of a Voltage Surge 489

Summary 493

Problems 495

Appendix A The International System

of Units 517

Appendix B Complex Numbers 521

B.1 Notation 521

B.2 The Graphical Representation of a Complex Number 522

B.3 Arithmetic Operations 523

B.4 Useful Identities 525

B.5 The Integer Power of a Complex Number 526

B.6 The Roots of a Complex Number 526

Appendix C An Abbreviated Table of

Triqonometric Identities 529

Appendix D An Abbreviated Table of

Integrals 531

Appendix E Answers to Selected Problems 533

Index 541