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SEVENTH EDITION ELECTRONIC DEVICES AND CIRCUIT THEORY ROBERT BOYLESTAD LOUIS NASHELSKY PRENTICE HALL Upper Saddle River, New Jersey Columbus, Ohio www.elsolucionario.net www.elsolucionario.net Contents 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 2.1 2.2 2.3 PREFACE xiii ACKNOWLEDGMENTS xvii SEMICONDUCTOR DIODES Introduction Ideal Diode Semiconductor Materials Energy Levels Extrinsic Materials—n- and p-Type Semiconductor Diode 10 Resistance Levels 17 Diode Equivalent Circuits 24 Diode Specification Sheets 27 Transition and Diffusion Capacitance 31 Reverse Recovery Time 32 Semiconductor Diode Notation 32 Diode Testing 33 Zener Diodes 35 Light-Emitting Diodes (LEDs) 38 Diode Arrays—Integrated Circuits 42 PSpice Windows 43 DIODE APPLICATIONS 51 Introduction 51 Load-Line Analysis 52 Diode Approximations 57 v www.elsolucionario.net 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 5.1 5.2 5.3 vi Series Diode Configurations with DC Inputs 59 Parallel and Series-Parallel Configurations 64 AND/OR Gates 67 Sinusoidal Inputs; Half-Wave Rectification 69 Full-Wave Rectification 72 Clippers 76 Clampers 83 Zener Diodes 87 Voltage-Multiplier Circuits 94 PSpice Windows 97 BIPOLAR JUNCTION TRANSISTORS 112 Introduction 112 Transistor Construction 113 Transistor Operation 113 Common-Base Configuration 115 Transistor Amplifying Action 119 Common-Emitter Configuration 120 Common-Collector Configuration 127 Limits of Operation 128 Transistor Specification Sheet 130 Transistor Testing 134 Transistor Casing and Terminal Identification 136 PSpice Windows 138 DC BIASING—BJTS 143 Introduction 143 Operating Point 144 Fixed-Bias Circuit 146 Emitter-Stabilized Bias Circuit 153 Voltage-Divider Bias 157 DC Bias with Voltage Feedback 165 Miscellaneous Bias Configurations 168 Design Operations 174 Transistor Switching Networks 180 Troubleshooting Techniques 185 PNP Transistors 188 Bias Stabilization 190 PSpice Windows 199 FIELD-EFFECT TRANSISTORS Introduction 211 Construction and Characteristics of JFETs 212 Transfer Characteristics 219 Contents www.elsolucionario.net 211 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 6.11 6.12 6.13 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 8.1 8.3 8.3 8.4 8.3 8.6 Specification Sheets (JFETs) 223 Instrumentation 226 Important Relationships 227 Depletion-Type MOSFET 228 Enhancement-Type MOSFET 234 MOSFET Handling 242 VMOS 243 CMOS 244 Summary Table 246 PSpice Windows 247 FET BIASING 253 Introduction 253 Fixed-Bias Configuration 254 Self-Bias Configuration 258 Voltage-Divider Biasing 264 Depletion-Type MOSFETs 270 Enhancement-Type MOSFETs 274 Summary Table 280 Combination Networks 282 Design 285 Troubleshooting 287 P-Channel FETs 288 Universal JFET Bias Curve 291 PSpice Windows 294 BJT TRANSISTOR MODELING 305 Introduction 305 Amplification in the AC Domain 305 BJT Transistor Modeling 306 The Important Parameters: Zi, Zo, Av, Ai 308 The re Transistor Model 314 The Hybrid Equivalent Model 321 Graphical Determination of the h-parameters 327 Variations of Transistor Parameters 331 BJT SMALL-SIGNAL ANALYSIS 338 Introduction 338 Common-Emitter Fixed-Bias Configuration 338 Voltage-Divider Bias 342 CE Emitter-Bias Configuration 345 Emitter-Follower Configuration 352 Common-Base Configuration 358 Contents www.elsolucionario.net vii 8.7 8.8 8.9 8.10 8.11 8.12 8.13 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 9.10 9.11 9.12 9.13 9.14 9.15 10 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 10.10 10.11 10.12 11 11.1 11.2 11.3 viii Collector Feedback Configuration 360 Collector DC Feedback Configuration 366 Approximate Hybrid Equivalent Circuit 369 Complete Hybrid Equivalent Model 375 Summary Table 382 Troubleshooting 382 PSpice Windows 385 FET SMALL-SIGNAL ANALYSIS 401 Introduction 401 FET Small-Signal Model 402 JFET Fixed-Bias Configuration 410 JFET Self-Bias Configuration 412 JFET Voltage-Divider Configuration 418 JFET Source-Follower (Common-Drain) Configuration 419 JFET Common-Gate Configuration 422 Depletion-Type MOSFETs 426 Enhancement-Type MOSFETs 428 E-MOSFET Drain-Feedback Configuration 429 E-MOSFET Voltage-Divider Configuration 432 Designing FET Amplifier Networks 433 Summary Table 436 Troubleshooting 439 PSpice Windows 439 SYSTEMS APPROACH— EFFECTS OF Rs AND RL 452 Introduction 452 Two-Port Systems 452 Effect of a Load Impedance (RL) 454 Effect of a Source Impedance (Rs) 459 Combined Effect of Rs and RL 461 BJT CE Networks 463 BJT Emitter-Follower Networks 468 BJT CB Networks 471 FET Networks 473 Summary Table 476 Cascaded Systems 480 PSpice Windows 481 BJT AND JFET FREQUENCY RESPONSE Introduction 493 Logarithms 493 Decibels 497 Contents www.elsolucionario.net 493 11.4 11.5 11.6 11.7 11.8 11.9 11.10 11.11 11.12 11.13 12 12.1 12.2 12.3 12.4 12.5 12.6 12.7 12.8 12.9 12.10 12.11 General Frequency Considerations 500 Low-Frequency Analysis—Bode Plot 503 Low-Frequency Response—BJT Amplifier 508 Low-Frequency Response—FET Amplifier 516 Miller Effect Capacitance 520 High-Frequency Response—BJT Amplifier 523 High-Frequency Response—FET Amplifier 530 Multistage Frequency Effects 534 Square-Wave Testing 536 PSpice Windows 538 COMPOUND CONFIGURATIONS Introduction 544 Cascade Connection 544 Cascode Connection 549 Darlington Connection 550 Feedback Pair 555 CMOS Circuit 559 Current Source Circuits 561 Current Mirror Circuits 563 Differential Amplifier Circuit 566 BIFET, BIMOS, and CMOS Differential Amplifier Circuits 574 PSpice Windows 575 13 DISCRETE AND IC MANUFACTURING TECHNIQUES 13.1 13.2 13.3 13.4 13.5 13.6 13.7 13.8 13.9 Introduction 588 Semiconductor Materials, Si, Ge, and GaAs 588 Discrete Diodes 590 Transistor Fabrication 592 Integrated Circuits 593 Monolithic Integrated Circuit 595 The Production Cycle 597 Thin-Film and Thick-Film Integrated Circuits 607 Hybrid Integrated Circuits 608 14 14.1 14.2 14.3 14.4 14.5 14.6 14.7 14.8 544 OPERATIONAL AMPLIFIERS 588 609 Introduction 609 Differential and Common-Mode Operation 611 Op-Amp Basics 615 Practical Op-Amp Circuits 619 Op-Amp Specifications—DC Offset Parameters 625 Op-Amp Specifications—Frequency Parameters 628 Op-Amp Unit Specifications 632 PSpice Windows 638 Contents www.elsolucionario.net ix 15 15.1 15.2 15.3 15.4 15.5 15.6 15.7 16 16.1 16.2 16.3 16.4 16.5 16.6 16.7 16.8 16.9 17 17.1 17.2 17.3 17.4 17.5 17.6 17.7 17.8 18 18.1 18.2 18.3 18.4 18.5 18.6 18.7 18.8 18.9 18.10 x OP-AMP APPLICATIONS 648 Constant-Gain Multiplier 648 Voltage Summing 652 Voltage Buffer 655 Controller Sources 656 Instrumentation Circuits 658 Active Filters 662 PSpice Windows 666 POWER AMPLIFIERS 679 Introduction—Definitions and Amplifier Types 679 Series-Fed Class A Amplifier 681 Transformer-Coupled Class A Amplifier 686 Class B Amplifier Operation 693 Class B Amplifier Circuits 697 Amplifier Distortion 704 Power Transistor Heat Sinking 708 Class C and Class D Amplifiers 712 PSpice Windows 714 LINEAR-DIGITAL ICs 721 Introduction 721 Comparator Unit Operation 721 Digital-Analog Converters 728 Timer IC Unit Operation 732 Voltage-Controlled Oscillator 735 Phase-Locked Loop 738 Interfacing Circuitry 742 PSpice Windows 745 FEEDBACK AND OSCILLATOR CIRCUITS Feedback Concepts 751 Feedback Connection Types 752 Practical Feedback Circuits 758 Feedback Amplifier—Phase and Frequency Considerations 765 Oscillator Operation 767 Phase-Shift Oscillator 769 Wien Bridge Oscillator 772 Tuned Oscillator Circuit 773 Crystal Oscillator 776 Unijunction Oscillator 780 Contents www.elsolucionario.net 751 19 19.1 19.2 19.3 19.4 19.5 19.6 19.7 20 20.1 20.2 20.3 20.4 20.5 20.6 20.7 20.8 20.9 20.10 20.11 21 21.1 21.2 21.3 21.4 21.5 21.6 21.7 21.8 21.9 21.10 21.11 21.12 21.13 21.14 21.15 21.16 POWER SUPPLIES (VOLTAGE REGULATORS) 783 Introduction 783 General Filter Considerations 783 Capacitor Filter 786 RC Filter 789 Discrete Transistor Voltage Regulation 792 IC Voltage Regulators 799 PSpice Windows 804 OTHER TWO-TERMINAL DEVICES 810 Introduction 810 Schottky Barrier (Hot-Carrier) Diodes 810 Varactor (Varicap) Diodes 814 Power Diodes 818 Tunnel Diodes 819 Photodiodes 824 Photoconductive Cells 827 IR Emitters 829 Liquid-Crystal Displays 831 Solar Cells 833 Thermistors 837 pnpn AND OTHER DEVICES 842 Introduction 842 Silicon-Controlled Rectifier 842 Basic Silicon-Controlled Rectifier Operation 842 SCR Characteristics and Ratings 845 SCR Construction and Terminal Identification 847 SCR Applications 848 Silicon-Controlled Switch 852 Gate Turn-Off Switch 854 Light-Activated SCR 855 Shockley Diode 858 DIAC 858 TRIAC 860 Unijunction Transistor 861 Phototransistors 871 Opto-Isolators 873 Programmable Unijunction Transistor 875 Contents www.elsolucionario.net xi 22 22.1 22.2 22.3 22.4 22.5 22.6 22.7 22.8 22.9 xii OSCILLOSCOPE AND OTHER MEASURING INSTRUMENTS 884 Introduction 884 Cathode Ray Tube—Theory and Construction 884 Cathode Ray Oscilloscope Operation 885 Voltage Sweep Operation 886 Synchronization and Triggering 889 Multitrace Operation 893 Measurement Using Calibrated CRO Scales 893 Special CRO Features 898 Signal Generators 899 APPENDIX A: HYBRID PARAMETERS— CONVERSION EQUATIONS (EXACT AND APPROXIMATE) 902 APPENDIX B: RIPPLE FACTOR AND VOLTAGE CALCULATIONS 904 APPENDIX C: CHARTS AND TABLES 911 APPENDIX D: SOLUTIONS TO SELECTED ODD-NUMBERED PROBLEMS 913 INDEX 919 Contents www.elsolucionario.net ... say that the simplified equivalent model will be employed most frequently in the analysis of electronic systems while the ideal diode is frequently applied in the analysis of power supply systems... Zener diodes They are described in detail in Section 1.14 The Zener region of the semiconductor diode described must be avoided if the response of a system is not to be completely altered by the... refers to any device or system that has ideal characteristics—perfect in every way It provides a basis for comparison, and it reveals where improvements can still be made The ideal diode is a two-terminal
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