本书以电路基础知识、电路分析方法为主体，辅以典型例题和实际应用实例，并穿插介绍电子工程相关历史人物与知识，旨在改变以往枯燥的电路课程教学，引领新时代教材改革。 本书前4版获得了极大的成功，第5版以更清晰、更容易理解的方式阐述了电路的基础知识和电路分析方法，并反映了电路领域的技术进展。全书总共包括2447道例题和各类习题，并在书后给出了部分习题答案。本书特色 ·的内容。全书分为直流电路、交流电路与高级电路三部分，还囊括了学生需要掌握的所有常用数学公式和物理基本原理。 ·解决和处理问题的六步法。六步求解电路的方法贯穿全书，以帮助学生建立求解问题的系统方法，更好地理解理论并减少计算错误。 ·丰富的实例。每一个说明性的实例都附有练习题及答案来测试学生对内容的理解程度。每章的扩展实例表明如何使用六步法来求解每章练习题，使学生可以实践六步求解电路法。 ·计算机工具。书中的实例使用面向Windows的PSpice工具，并新增了国家仪器公司(NI)的MultisimTM求解，将理论与实际结合。
本书是一本电类各专业"电路"课程的经典教材，被美国众多名校采用，是美国有影响力的"电路"课程教材之一。本书内容，涵盖了我国"电路分析基础"课程的全部教学要求和"电路理论基础"课程的大部分要求，并在每章开始增加中文"导读"，适合用做"电路"课程双语授课或英文授课的教材。
Charles K. Alexander，分别于1967年和1971年获得俄亥俄大学的电气工程学硕士学位和博士学位，目前为美国克利夫兰州立大学Fenn工学院电气与计算机工程系教授以及电子学与航空航天技术研究中心(CREATE)的主任。他是IEEE的会士，曾任IEEE主席和CEO。他于1984年获得IEEE百年纪念奖章，还先后荣获英国工程委员会颁发的杰出工程教育成就奖和杰出工程教育领导奖。 Matthew N.O.Sadiku，博士，美国Prairie View A&M大学教授，兼任IEEE Transacfions on Education杂志副主编。他曾在朗讯、波音等公司从事研发工作，发表过百余篇学术论文，出版过20余部著作。
Contents
PART 1 DC Circuits
Chapter 1 Basic Concepts
1.1 Introduction
1.2 Systems of Units
1.3 Charge and Current
1.4 Voltage
1.5 Power and Energy
1.6 Circuit Elements
1.7?Applications
1.7.1 TV Picture Tube
1.7.2 Electricity Bills
1.8?Problem Solving
1.9 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 2 Basic Laws
2.1 Introduction
2.2 Ohm`s Law
2.3?Nodes, Branches, and Loops
2.4 Kirchhoff`s Laws
2.5 Series Resistors and Voltage Division
2.6 Parallel Resistors and Current Division
2.7?Wye-Delta Transformations 52 Delta to Wye Conversion Wye to Delta Conversion
2.8?Applications
2.8.1 Lighting Systems
2.8.2 Design of DC Meters
2.9 Summary 64 Review Questions 66 Problems 67 Comprehensive Problems
Chapter 3 Methods of Analysis
3.1 Introduction
3.2 Nodal Analysis
3.3 Nodal Analysis with Voltage Sources
3.4 Mesh Analysis
3.5 Mesh Analysis with Current Sources
3.6?Nodal and Mesh Analyses by Inspection
3.7 Nodal Versus Mesh Analysis
3.8 Circuit Analysis with PSpice
3.9?Applications: DC Transistor Circuits
3.10 Summary
Review Questions
Problems
Comprehensive Problem
Chapter 4 Circuit Theorems
4.1 Introduction
4.2 Linearity Property
4.3 Superposition
4.4 Source Transformation
4.5 Thevenin`s Theorem
4.6 Norton`s Theorem
4.7?Derivations of Thevenin`s and Norton`s Theorems
4.8 Maximum Power Transfer
4.9 Verifying Circuit Theorems with PSpice
4.10?Applications
4.10.1 Source Modeling
4.10.2 Resistance Measurement
4.11 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 5 Operational Ampli?ers
5.1 Introduction
5.2 Operational Ampli?ers
5.3 Ideal Op Amp
5.4 Inverting Ampli?er
5.5 Noninverting Ampli?er
5.6 Summing Ampli?er
5.7 Difference Ampli?er
5.8 Cascaded Op Amp Circuits
5.9 Op Amp Circuit Analysis with PSpice
5.10?Applications
5.10.1 Digital-to-Analog Converter
5.10.2 Instrumentation Ampli?ers
5.11 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 6 Capacitors and Inductors
6.1 Introduction
6.2 Capacitors
6.3 Series and Parallel Capacitors
6.4 Inductors
6.5 Series and Parallel Inductors
6.6?Applications
6.6.1 Integrator
6.6.2 Differentiator
6.6.3 Analog Computer
6.7 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 7 First-Order Circuits
7.1 Introduction
7.2 The Source-Free RC Circuit
7.3 The Source-Free RL Circuit
7.4 Singularity Functions
7.5 Step Response of an RC Circuit
7.6 Step Response of an RL Circuit
7.7?First-Order Op Amp Circuits
7.8 Transient Analysis with PSpice
7.9?Applications
7.9.1 Delay Circuits
7.9.2 Photo?ash Unit
7.9.3 Relay Circuits
7.9.4 Automobile Ignition Circuit
7.10 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 8 Second-Order Circuits
8.1 Introduction
8.2 Finding Initial and Final Values
8.3 The Source-Free Series RLC Circuit
8.4 The Source-Free Parallel RLC Circuit
8.5 Step Response of a Series RLC Circuit
8.6 Step Response of a Parallel RLC Circuit
8.7 General Second-Order Circuits
8.8 Second-Order Op Amp Circuits
8.9 PSpice Analysis of RLC Circuits
8.10?Duality
8.11?Applications
8.11.1 Automobile Ignition System
8.11.2 Smoothing Circuits
8.12 Summary
Review Questions
Problems
Comprehensive Problems
PART 2 AC Circuits
Chapter 9 Sinusoids and Phasors
9.1 Introduction
9.2 Sinusoids
9.3 Phasors
9.4 Phasor Relationships for Circuit Elements
9.5 Impedance and Admittance
9.6?Kirchhoff`s Laws in the Frequency Domain
9.7 Impedance Combinations
9.8?Applications
9.8.1 Phase-Shifters
9.8.2 AC Bridges
9.9 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 10 Sinusoidal Steady-State Analysis
10.1 Introduction
10.2 Nodal Analysis
10.3 Mesh Analysis
10.4 Superposition Theorem
10.5 Source Transformation
10.6 Thevenin and Norton Equivalent Circuits
10.7 Op Amp AC Circuits
10.8 AC Analysis Using PSpice
10.9?Applications
10.9.1 Capacitance Multiplier
10.9.2 Oscillators
10.10 Summary
Review Questions
Problems
Chapter 11 AC Power Analysis
11.1 Introduction
11.2 Instantaneous and Average Power
11.3 Maximum Average Power Transfer
11.4 Effective or RMS Value
11.5 Apparent Power and Power Factor
11.6 Complex Power
11.7?Conservation of AC Power
11.8 Power Factor Correction
11.9?Applications
11.9.1 Power Measurement
11.9.2 Electricity Consumption Cost
11.10 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 12 Three-Phase Circuits
12.1 Introduction
12.2 Balanced Three-Phase Voltages
12.3 Balanced Wye-Wye Connection
12.4 Balanced Wye-Delta Connection
12.5 Balanced Delta-Delta Connection
12.6 Balanced Delta-Wye Connection
12.7 Power in a Balanced System
12.8?Unbalanced Three-Phase Systems
12.9 PSpice for Three-Phase Circuits
12.10?Applications
12.10.1 Three-Phase Power Measurement
12.10.2 Residential Wiring
12.11 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 13 Magnetically Coupled Circuits
13.1 Introduction
13.2 Mutual Inductance
13.3 Energy in a Coupled Circuit
13.4 Linear Transformers
13.5 Ideal Transformers
13.6 Ideal Autotransformers
13.7?Three-Phase Transformers
13.8 PSpice Analysis of Magnetically Coupled Circuits
13.9?Applications
13.9.1 Transformer as an Isolation Device
13.9.2 Transformer as a Matching Device
13.9.3 Power Distribution
13.10 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 14 Frequency Response
14.1 Introduction
14.2 Transfer Function
14.3?The Decibel Scale
14.4 Bode Plots
14.5 Series Resonance
14.6 Parallel Resonance
14.7 Passive Filters
14.7.1 Lowpass Filter
14.7.2 Highpass Filter
14.7.3 Bandpass Filter
14.7.4 Bandstop Filter
14.8 Active Filters
14.8.1 First-Order Lowpass Filter
14.8.2 First-Order Highpass Filter
14.8.3 Bandpass Filter
14.8.4 Bandreject (or Notch) Filter
14.9 Scaling
14.9.1 Magnitude Scaling
14.9.2 Frequency Scaling
14.9.3 Magnitude and Frequency Scaling
14.10 Frequency Response Using PSpice
14.11 Computation Using MATLAB
14.12?Applications
14.12.1 Radio Receiver
14.12.2 Touch-Tone Telephone
14.12.3 Crossover Network
14.13 Summary
Review Questions
Problems
Comprehensive Problems
PART 3 Advanced Circuit Analysis
Chapter 15 Introduction to the LaplaceTransform
15.1 Introduction
15.2 De?nition of the Laplace Transform
15.3 Properties of the Laplace Transform
15.4 The Inverse Laplace Transform
15.4.1 Simple Poles
15.4.2 Repeated Poles
15.4.3 Complex Poles
15.5 The Convolution Integral
15.6?Application to Integrodifferential Equations
15.7 Summary
Review Questions
Problems
Chapter 16 Applications of the Laplace Transform
16.1 Introduction
16.2 Circuit Element Models
16.3 Circuit Analysis
16.4 Transfer Functions
16.5 State Variables
16.6?Applications
16.6.1 Network Stability
16.6.2 Network Synthesis
16.7 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 17 The Fourier Series
17.1 Introduction
17.2 Trigonometric Fourier Series
17.3 Symmetry Considerations
17.3.1 Even Symmetry
17.3.2 Odd Symmetry
17.3.3 Half-Wave Symmetry
17.4 Circuit Applications
17.5 Average Power and RMS Values
17.6 Exponential Fourier Series
17.7 Fourier Analysis with PSpice
17.7.1 Discrete Fourier Transform
17.7.2 Fast Fourier Transform
17.8?Applications
17.8.1 Spectrum Analyzers
17.8.2 Filters
17.9 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 18 Fourier Transform
18.1 Introduction
18.2 De?nition of the Fourier Transform
18.3 Properties of the Fourier Transform
18.4 Circuit Applications
18.5 Parseval`s Theorem
18.6 Comparing the Fourier and Laplace Transforms
18.7?Applications
18.7.1 Amplitude Modulation
18.7.2 Sampling
18.8 Summary
Review Questions
Problems
Comprehensive Problems
Chapter 19 Two-Port Networks
19.1 Introduction
19.2 Impedance Parameters
19.3 Admittance Parameters
19.4 Hybrid Parameters
19.5 Transmission Parameters
19.6?Relationships Between Parameters
19.7 Interconnection of Networks
19.8 Computing Two-Port Parameters Using PSpice
19.9?Applications
19.9.1 Transistor Circuits
19.9.2 Ladder Network Synthesis
19.10 Summary
Review Questions
Problems
Comprehensive Problem
Appendix A Simultaneous Equations and Matrix
