Table of contents for Fundamentals of microelectronics / Behzad Razavi.


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1 INTRODUCTION TO MICROELECTRONICS 1
1.1_Electronics versus Microelectronics 1
1.2_Examples of Electronic Systems 2
_1.2.1 Cellular Telephone 2
_1.2.2 Digital Camera 5
_1.2.3 Analog Versus Digital 7
1.3_Basic Concepts 8
_1.3.1 Analog and Digital Signals 8
_1.3.2 Analog Circuits 10
_1.3.3 Digital Circuits 11
_1.3.4 Basic Circuit Theorems 13
1.4_Chapter Summary 20
2 BASIC PHYSICS OF SEMICONDUCTORS 21
2.1_Semiconductor Materials and Their Properties 22
_2.1.1 Charge Carriers in Solids 22
_2.1.2 Modification of Carrier Densities 25
_2.1.3 Transport of Carriers 28
2.2_pn Junction 36
_2.2.1 pn Junction in Equilibrium 37
_2.2.2 pn Junction Under Reverse Bias 42
_2.2.3 pn Junction Under Forward Bias 46
_2.2.4 I/V Characteristics 49
2.3_Reverse Breakdown 54
_2.3.1 Zener Breakdown 54
_2.3.2 Avalanche Breakdown 55
2.4_Chapter Summary 55
Problems 56
SPICE Problems 60
3 DIODE MODELS AND CIRCUITS 62
3.1 Ideal Diode 62
_3.1.1 Initial Thoughts 62
_3.1.2 Ideal Diode 64
_3.1.3 Application Examples 68
3.2_pn Junction as a Diode 73
3.3_Additional Examples 75
3.4_Large-Signal and Small-Signal Operation 80
3.5_Applications of Diodes 89
_3.5.1 Half-Wave and Full-Wave Rectifiers 89
_3.5.2 Voltage Regulation 102
_3.5.3 Limiting Circuits 104
_3.5.4 Voltage Doublers 108
_3.5.5 Diodes as Level Shifters and Switches 112
3.6_Chapter Summary 115
Problems 116
SPICE Problems 126
4 PHYSICS OF BIPOLAR TRANSISTORS 128
4.1_General Considerations 128
4.2_Structure of Bipolar Transistor 130
4.3_Operation of Bipolar Transistor in Active Mode 131
_4.3.1 Collector Current 134
_4.3.2 Base and Emitter Currents 137

4.4_Bipolar Transistor Models and Characteristics 139
_4.4.1 Large-Signal Model 139
_4.4.2 I/V Characteristics 141
_4.4.3 Concept of Transconductance 143
_4.4.4 Small-Signal Model 145
_4.4.5 Early Effect 150
4.5_Operation of Bipolar Transistor in Saturation Mode 156
4.6_The PNP Transistor 159
_4.6.1 Structure and Operation 160
_4.6.2 Large-Signal Model 160
_4.6.3 Small-Signal Model 163
4.7_Chapter Summary 167
Problems 167
SPICE Problems 178
5 BIPOLAR AMPLIFIERS 181
5.1_General Considerations 181
_5.1.1 Input and Output Impedances 182
_5.1.2 Biasing 186
_5.1.3 DC and Small-Signal Analysis 186
5.2Operating Point Analysis and Design 188
_5.2.1 Simple Biasing 189
_5.2.2 Resistive Divider Biasing 192
_5.2.3 Biasing with Emitter Degeneration 195
_5.2.4 Self-Biased Stage 199
_5.2.5 Biasing of PNP Transistors 202
5.3_Bipolar Amplifier Topologies 206
_5.3.1 Common-Emitter Topology 207
_5.3.2 Common-Base Topology 233
_5.3.3 Emitter Follower 250
5.4_Summary and Additional Examples 258
5.5_Chapter Summary 264
Problems 264
SPICE Problems 285

6 PHYSICS OF MOS TRANSISTORS 288
6.1_Structure of MOSFET 288
6.2_Operation of MOSFET 291
_6.2.1 Qualitative Analysis 291
_6.2.2 Derivation of I/V Characteristics 297
_6.2.3 Channel-Length Modulation 306
_6.2.4 MOS Transconductance 308
_6.2.5 Velocity Saturation 310
_6.2.6 Other Second-Order Effects 310
6.3_MOS Device Models 311
_6.3.1 Large-Signal Model 311
_6.3.2 Small-Signal Model 313
6.4_PMOS Transistor 314
6.5_CMOS Technology 316
6.6_Comparison of Bipolar and MOS Devices 317
6.7_Chapter Summary 317
Problems 318
SPICE Problems 327

7 CMOS AMPLIFIERS 329
7.1_General Considerations 329
_7.1.1 MOS Amplifier Topologies 329
_7.1.2 Biasing 329
_7.1.3 Realization of Current Sources 333
7.2_Common-Source Stage 334
_7.2.1 CS Core 334
_7.2.2 CS Stage With Current-Source Load 337
_7.2.3 CS Stage With Diode-Connected Load 338
_7.2.4 CS Stage With Degeneration 340
_7.2.5 CS Core With Biasing 343
7.3_Common-Gate Stage 345
_7.3.1 CG Stage With Biasing 350
7.4_Source Follower 351
_7.4.1 Source Follower Core 352
_7.4.2 Source Follower With Biasing 354
7.5_Summary and Additional Examples 356
7.6_Chapter Summary 360
Problems 360
SPICE Problems 378
8 OPERATIONAL AMPLIFIER AS A BLACK BOX 380
8.1_General Considerations 381
8.2_Op-Amp-Based Circuits 383
_8.2.1 Noninverting Amplifier 383
_8.2.2 Inverting Amplifier 385
_8.2.3 Integrator and Differentiator 388
_8.2.4 Voltage Adder 395
8.3_Nonlinear Functions 396
_8.3.1 Precision Rectifier 396
_8.3.2 Logarithmic Amplifier 397
_8.3.3 Square-Root Amplifier 398
8.4_Op Amp Nonidealities 399
_8.4.1 DC Offsets 399
_8.4.2 Input Bias Current 402
_8.4.3 Speed Limitations 405
_8.4.4 Finite Input and Output Impedances 410
8.5_Design Examples 411
8.6_Chapter Summary 413
Problems 414
SPICE Problems 423
9 CASCODE STAGES AND CURRENT MIRRORS 425
9.1_Cascode Stage 425
_9.1.1 Cascode as a Current Source 425
_9.1.2 Cascode as an Amplifier 432
9.2_Current Mirrors 441
_9.2.1 Initial Thoughts 441
_9.2.2 Bipolar Current Mirror 442
_9.2.3 MOS Current Mirror 451
9.3_Chapter Summary 454
Problems 455
SPICE Problems 470
_
10 DIFFERENTIAL AMPLIFIERS 473
10.1_General Considerations 473
_10.1.1 Initial Thoughts 473
_10.1.2 Differential Signals 475
_10.1.3 Differential Pair 478
10.2 Bipolar Differential Pair 479
_10.2.1 Qualitative Analysis 479
_10.2.2 Large-Signal Analysis 484
_ 10.2.3 Small-Signal Analysis 488
10.3 MOS Differential Pair 494
_10.3.1 Qualitative Analysis 495
_10.3.2 Large-Signal Analysis 499
_10.3.3 Small-Signal Analysis 503
10.4 Cascode Differential Amplifiers 507
10.5 Common-Mode Rejection 511
10.6_Differential Pair with Active Load 515
_10.6.1 Qualitative Analysis 516
_10.6.2 Quantitative Analysis 518
10.7_Chapter Summary 523
Problems 524
PICE Problems 541

11 FREQUENCY RESPONSE 544
11.1_Fundamental Concepts 544
_11.1.1 General Considerations 544
_11.1.2 Relationship Between Transfer Function and Frequency Response 547
_11.1.3 Bode’s Rules 550
_11.1.4 Association of Poles with Nodes 551
_11.1.5 Miller’s Theorem 553
_11.1.6 General Frequency Response 556
11.2_High-Frequency Models of Transistors 559
_11.2.1 High-Frequency Model of Bipolar Transistor 559
_11.2.2 High-Frequency Model of MOSFET 561
_11.2.3 Transit Frequency 563
11.3_Analysis Procedure 564
11.4_Frequency Response of CE and CS Stages 565
_11.4.1 Low-Frequency Response 565
_11.4.2 High-Frequency Response 566
_11.4.3 Use of Miller’s Theorem 566
_11.4.4 Direct Analysis 569
_11.4.5 Input Impedance 572
11.5 Frequency Response of CB and CG Stages 573
_11.5.1 Low-Frequency Response 573
_11.5.2 High-Frequency Response 574
11.6_Frequency Response of Followers 576
_11.6.1 Input and Output Impedances 580
11.7_Frequency Response of Cascode Stage 583
_11.7.1 Input and Output Impedances 587
11.8_Frequency Response of Differential Pairs 588
_11.8.1 Common-Mode Frequency Response 590
11.9_Additional Examples 591
11.10_Chapter Summary 595
Problems 596
SPICE Problems 607

12 FEEDBACK 610
12.1_General Considerations 610
_12.1.1 Loop Gain 613
12.2_Properties of Negative Feedback 614
_12.2.1 Gain Desensitization 614
_12.2.2 Bandwidth Extension 616
_12.2.3 Modification of I/O Impedances 618
_12.2.4 Linearity Improvement 622
12.3_Types of Amplifiers 622
_12.3.1 Simple Amplifier Models 623
_12.3.2 Examples of Amplifier Types 624
12.4_Sense and Return Techniques 626
12.5_Polarity of Feedback 629
12.6_Feedback Topologies 631
_12.6.1 Voltage-Voltage Feedback 631
_12.6.2 Voltage-Current Feedback 636
_12.6.3 Current-Voltage Feedback 639
_12.6.4 Current-Current Feedback 644
12.7_Effect of Nonideal I/O Impedances 647
_12.7.1 Inclusion of I/O Effects 648
12.8_Stability in Feedback Systems 660
_12.8.1 Review of Bode’s Rules 660
_12.8.2 Problem of Instability 662
_12.8.3 Stability Condition 665
_12.8.4 Phase Margin 668
_12.8.5 Frequency Compensation 670
_12.8.6 Miller Compensation 673
12.9_Chapter Summary 674
Problems 675
SPICE Problems 691
13 OUTPUT STAGES AND POWER AMPLIFIERS 694
13.1_General Considerations 694
13.2_Emitter Follower as Power Amplifier 695
13.3_Push-Pull Stage 698
13.4_Improved Push-Pull Stage 701
_13.4.1 Reduction of Crossover Distortion 701
_13.4.2 Addition of CE Stage 705
13.5_Large-Signal Considerations 708
_13.5.1Biasing Issues 708
_13.5.2Omission of PNP Power Transistor 709
_13.5.3High-Fidelity Design 712
13.6_Short-Circuit Protection 713
13.7_Heat Dissipation 713
_13.7.1 Emitter Follower Power Rating
_13.7.2 Push-Pull Stage Power Rating
_13.7.3 Thermal Runaway 716
13.8_Efficiency 718
_13.8.1 Efficiency of Emitter Follower
_13.8.2 Efficiency of Push-Pull Stage 719
13.9_Power Amplifier Classes 720
13.10_Chapter Summary 721
Problems 722
SPICE Problems 728
_
14 ANALOG FILTERS 731
14.1_General Considerations 731
_14.1.1 Filter Characteristics 732
_14.1.2 Classification of Filters 733
_14.1.3 Filter Transfer Function 737
_14.1.4 Problem of Sensitivity 740
14.2_First-Order Filters 741
14.3_Second-Order Filters 744
_14.3.1 Special Cases 744
_14.3.2 RLC Realizations 748
14.4_Active Filters 753
_14.4.1 Sallen and Key Filter 753
_14.4.2 Integrator-Based Biquads 758
_14.4.3 Biquads Using Simulated Inductors 762
14.5_Approximation of Filter Response 768
_14.5.1 Butterworth Response 768
_14.5.2 Chebyshev Response 772
14.6_Chapter Summary 777Problems 778SPICE Problems 784

15 DIGITAL CMOS CIRCUITS 786
15.1_General Considerations 786
_15.1.1 Static Characterization of Gates 787
_15.1.2 Dynamic Characterization of Gates 794
_15.1.3 Power-Speed Trade-Off 797
15.2_CMOS Inverter 799
_15.2.1 Initial Thoughts 799
_15.2.2 Voltage Transfer Characteristic 801
_15.2.3 Dynamic Characteristics 807
_15.2.4 Power Dissipation 812
15.3_CMOS NOR and NAND Gates 816
_15.3.1 NOR Gate 816
_15.3.2 NAND Gate 819
15.4_Chapter Summary 820
Problems 821
SPICE Problems 827

16 CMOS AMPLIFIERS 829
16.1_General Considerations 829
_16.1.1 Input and Output Impedances 830
_16.1.2 Biasing 834
_16.1.3 DC and Small-Signal Analysis 835
16.2_Operating Point Analysis and Design 836
_16.2.1 Simple Biasing 838
_16.2.2 Biasing with Source Degeneration 840
_16.2.3 Self-Biased Stage 843
_16.2.4 Biasing of PMOS Transistors 844
_16.2.5 Realization of Current Sources 845
16.3_CMOS Amplifier Topologies 846
16.4_Common-Source Topology 847
_16.4.1 CS Stage with Current-Source Load 852
_16.4.2 CS Stage with Diode-Connected Load 853
_16.4.3 CS Stage with Source Degeneration 854
_16.4.4 Common-Gate Topology 866
_16.4.5 Source Follower 877
16.5_Additional Examples 883
16.6_Chapter Summary 887
Problems 888
SPICE Problems 906
Appendix A_Introduction to SPICE
Index


Library of Congress subject headings for this publication:
Microelectronics -- Textbooks.