Aldo V. Da Rosa

Fundamentals of Electronics, 1989, 342 pp., ISBN 0-911575-55-3, $52.00

Junior-level text on Active Devices and Applications classroom tested at Stanford University. Includes necessary Solid-state Physics. Discusses Conductivity drawing on physical principles without resorting to Quantum Mechanics. Basic equations for Mosfets and Bipolar Transistors are derived. In-depth treatment of Amplifiers, Small-signal Gain Frequency concepts, Negative and Positive Feedback, Operational Amplifiers and Power Amplifiers, including a hi-fi class AB amplifiers. Discusses major application area of Telecommunications: Analog Modulation--Amplitude and Angle as well as various Demodulators. A separate chapter on Noise, including typical Communication Link performance calculations. Covers Receivers and their operation: Superheterodynes as well as Regenerative and Superregenerative. Problems in each chapter help the student to consolidate material learned. Profusely illustrated.


TABLE OF CONTENTS

Preface ..... xi

PART I -- PHYSICS OF SEMICONDUCTORS

Chapter 1 -- Properties of Materials ..... 3

1.1 -- Conduction ..... 3

1.2 -- Conductivity ..... 5

1.3 -- Light Absorption ..... 7

1.4 -- Photoconductivity ..... 8

1.5 -- Fluorescence ..... 8

1.6 -- Hall Effect ..... 9

1.7 -- Cyclotron Resonance ..... 12

Problems to Chapter 1 ..... 15


Chapter 2 -- Basic Chemistry ..... 16

2.1 -- Introduction ..... 16

2.2 -- Covalent Bonds ..... 17

2.3 -- Diamond-like Crystals ..... 18

2.4 -- X-Ray Diffraction Measurements ..... 21

2.5 -- Ionic Bonds ..... 21

Problems to Chapter 2 ..... 22


Chapter 3 -- Conduction in Semiconductors ..... 23

3.1 -- Electrons and Holes ..... 23

3.2 -- Band Structure ..... 25

3.3 -- Thermal Generation of Electron-Hole Pairs ..... 28

3.4 -- Recombination ..... 30

3.5 -- The Continuity Equation ..... 30

3.6 -- Intrinsic Carrier Concentration ..... 31

3.7 -- Conductivity and Resistivity of Semiconductors ..... 31

3.8 -- Doped Semiconductors ..... 32

3.9 -- Thermistors ..... 38

3.10 -- Dependence of Mobility on Temperature ..... 39

3.11 -- Limits to Ohm’s Law ..... 42

3.12 -- Diffusion ..... 43

3.13 -- Point Contacts ..... 45

3.14 -- Thermoelectric Effect ..... 46

3.15 -- The Shockley-Haynes Experiment ..... 47

3.16 -- Lifetime of Minority Carriers ..... 48

Problems to Chapter 3 ..... 51
 


PART II -- SEMICONDUCTOR DEVICES AND APPLICATIONS

Chapter 1 -- Field Effect Transistors ..... 57

1.1 -- Semiconductor Technology ..... 57

1.2 -- General Description of a MOSFET ..... 59

1.3 -- The MOS Capacitor ..... 60

1.4 -- The MOS Capacitance ..... 63

1.5 -- The MOS Capacitor (continued) ..... 66

1.6 -- Incremental Capacitance of the MOS Capacitor ..... 71

1.7 -- The MOSFET ..... 73

Problems to Chapter 1 ..... 80


Chapter 2 -- MOSFET Amplifiers ..... 81

2.1 -- Introduction ..... 81

2.2 -- The Voltage Gain ..... 81

2.3 -- Distortion ..... 84

2.4 -- Biasing Schemes ..... 86

2.5 -- Multistage Amplifiers ..... 87

2.6 -- Other Field Effect Transistors ..... 88

Problems to Chapter 2 ..... 96


Chapter 3 -- p-n Junctions ..... 97

3.1 -- Contact Potential ..... 97

3.2 -- Width of the Transition Region ..... 99

3.3 -- Magnitude of the Zero-Bias Diffusion / Drift Currents ..... 102

3.4 -- External Bias Across the Junction ..... 103

3.5 -- Junction v-i Characteristics ..... 105

3.6 -- Diode Circuit Models ..... 109

3.7 -- Reverse Breakdown ..... 110

3.8 -- Tunnel Diodes ..... 114

3.9 -- Voltage-Reference Diodes ..... 114

3.10 -- Junction Capacitance ..... 117

3.11 -- Clipping ..... 118

3.12 -- Power Supplies ..... 119

Problems to Chapter 3 ..... 127


Chapter 4 -- Bipolar Transistors ..... 131

4.1 -- Generalities ..... 131

4.2 -- v-i Characteristics ..... 132

4.3 -- Transistor Operating Regions ..... 137

4.4 -- Transistor Circuit Configurations ..... 137

4.5 -- Base-Width Modulation ..... 142

4.6 -- Punch-Through ..... 144

4.7 -- Dependence of  on the Collector Current ..... 144

4.8 -- Geometrical Asymmetry in Real Transistors ..... 145

4.9 -- Bipolar Transistor Circuit Model ..... 145

Problems to Chapter 4 ..... 151


Chapter 5 -- Transistor Amplifiers ..... 152

5.1 -- Biasing Bipolar Transistors ..... 152

5.2 -- Small-Signal Amplifiers ..... 157

5.3 -- Hybrid Parameters ..... 165

5.4 -- High-Frequency Response ..... 169

5.5 -- Lower-Frequency Response ..... 176

5.6 -- Bode Plots ..... 180

5.7 -- Phase Response ..... 182

5.8 -- Current-Source Loads ..... 184

5.9 -- Current Mirrors ..... 187

Problems to Chapter 5 ..... 189


Chapter 6 -- Feedback ..... 194

6.1 -- Generalities ... 194

6.2 -- Negative Feedback ..... 195

Problems to Chapter 6 ..... 205


Chapter 7 -- Oscillators ..... 206

7.1 -- Generalities ..... 206

7.2 -- Oscillator Analysis ..... 206

7.3 -- A Simple Oscillator ..... 210

7.4 -- Crystal Oscillators ..... 211

7.5 -- Automatic Amplitude Control ..... 215

7.6 -- Amplifier Stability ..... 217

Problems to Chapter 7 ..... 223


Chapter 8 -- Operational Amplifier ..... 226

8.1 -- Generalities ..... 226

8.2 -- Differential Amplifiers ..... 226

8.3 -- Implementation of Op-Amps ..... 233

8.4 -- Op-Amp Applications ..... 242

8.5 -- Gain-Bandwidth Product in Op-Amps ..... 245

8.5 -- More Advanced Op-Amp Applications ..... 247

Problems to Chapter 8 ..... 256


Chapter 9 -- Power Amplifiers ..... 257

9.1 -- Introduction ..... 257

9.2 -- Class A Amplifiers ..... 258

9.3 -- Class B (and AB) Amplifiers ..... 262

9.4 -- Transistor Heat Dissipation ..... 268

Problems to Chapter 9 ..... 270


Chapter 10 -- Modulation ..... 271

10.1 -- Generalities ..... 271

10.2 -- Amplitude Modulation ..... 272

10.3 -- Bessel Functions ..... 276

10.4 -- Angle Modulation ..... 282

10.5 -- Amplitude Modulators ..... 287

10.6 -- Amplitude Demodulators ..... 293

10.7 -- Frequency Modulators ..... 294

10.8 -- FM Demodulators ..... 296

Problems to Chapter 10 ..... 299


Chapter 11 -- Noise ..... 302

11.1 -- Introduction ..... 302

11.2 -- Inherent Noise ..... 303

11.3 -- Measurement of Noise Figure ..... 305

11.4 -- Types of Noise Generators ..... 306

11.5 -- Cosmic Noise ..... 307

11.6 -- Link Calculations ..... 309

Problems to Chapter 11 ..... 310


Chapter 12 -- Receivers ..... 311

12.1 -- Simple Receivers ..... 311

12.2 -- Tuned Radio Frequency (TRF) Receivers ..... 312

12.3 -- Superheterodyne Receivers ..... 313

12.4 -- Regenerative Receivers ..... 320

12.5 -- Superregenerative Receivers ..... 321

Problems to Chapter 12 ..... 322


Index ..... 325

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