Contents Preface Chapter 1 Semiconductor Device 1 1.1 pn Junction 1 1.2 Bipolar Junction Transistor 6 1.3 Solar Cells 12 New Words and Expressions 15 Exercises 17 References 19 Chapter 2 Integrated Circuit (IC) 20 2.1 The History of IC 20 2.2 What’s the IC? 22 2.3 Classification of IC 27 2.4 Design of ICs 31 2.5 Low-Power Design of CMOS IC 37 2.6 Microelectromechanical Systems 41 2.7 Summary 47 New Words and Expressions 47 Exercises 49 References 51 Chapter 3 Electric Circuit 53 3.1 Diode and Rectifier Circuit 53 3.2 History and Typical Application Circuit of the BJT 58 3.3 Signal Operation and Processing 63 3.4 Design of DC Regulated Power Supply 71 New Words and Expressions 76 Exercises 79 References 82 Chapter 4 Writing an Academic Paper 83 4.1 Various Sections of the Academic Paper 83 4.2 Letters for Academic Communication 90 References 94 Appendix 95