Telecommunication Circuits and Technology (eBook)

Cover 1
Contents 8
Chapter 1. Oscillators 12
1.1 Introduction 12
1.2 The principles of oscillation 13
1.3 The basic structure and requirements of an oscillator 14
1.4 RC oscillators 16
1.5 LC oscillators 24
1.6 Crystal oscillators 35
1.7 Crystal cuts 36
1.8 Types of crystal oscillator 36
1.9 Oscillator frequency stability 37
1.10 Integrated circuit oscillators 42
1.11 Further problems 44
Chapter 2. Modulation systems 62
2.1 Introduction 62
2.2 Analogue modulation techniques 64
2.3 The balanced modulator/demodulator 71
2.4 Frequency modulation and demodulation 72
2.5 FM modulators 80
2.6 FM demodulators 82
2.7 Digital modulation techniques 84
2.8 Further problems 91
Chapter 3. Filter applications 106
3.1 Introduction 106
3.2 Passive filters 108
3.3 Active filters 109
3.4 First-order filters 112
3.5 Design of first-order filters 115
3.6 Second-order filters 117
3.7 Using the transfer function 121
3.8 Using normalized tables 123
3.9 Using identical components 124
3.10 Second-order high-pass filters 124
3.11 Additional problems 130
3.12 Bandpass filters 131
3.13 Additional problems 135
3.14 Switched capacitor filter 135
3.15 Monolithic switched capacitor filter 137
3.16 The notch filter 138
3.17 Choosing components for filters 143
3.18 Testing filter response 144
Chapter 4. Tuned amplifier applications 172
4.1 Introduction 172
4.2 Tuned circuits 173
4.3 The Q factor 174
4.4 Dynamic impedance 175
4.5 Gain and bandwidth 175
4.6 Effect of loading 177
4.7 Effect of tapping the tuning coil 180
4.8 Transformer-coupled amplifier 184
4.9 Tuned primary 184
4.10 Tuned secondary 188
4.11 Double tuning 192
4.12 Crystal and ceramic tuned amplifiers 195
4.13 Integrated tuned amplifiers 199
4.14 Testing tuned amplifiers 203
4.15 Further problems 203
Chapter 5. Power amplifiers 228
5.1 Introduction 228
5.2 Transistor characteristics and parameters 229
5.3 Transistor bias 232
5.4 Small signal voltage amplifiers 238
5.5 The use of the decibel 240
5.6 Types of power amplifier 241
5.7 Calculating power and efficiency 255
5.8 Integrated circuit power amplifiers 259
5.9 Radio frequency power amplifiers 262
5.10 Power amplifier measurements 263
5.11 Further problems 265
Chapter 6. Phase-locked loops and synthesizers 286
6.1 Introduction 286
6.2 Operational considerations 287
6.3 Phase-locked loop elements 288
6.4 Compensation 292
6.5 Integrated phase-locked loops 301
6.6 Phase-locked loop design using the HCC4046B 304
6.7 Frequency synthesis 307
6.8 Further problems 312
Chapter 7. Microwave devices and components 340
7.1 Introduction 340
7.2 Phase delay and propagation velocity 341
7.3 The propagation constant and secondary constants 342
7.4 Transmission line distortion 343
7.5 Wave reflection and the reflection coefficient 344
7.6 Standing wave ratio 346
7.7 Fundamental waveguide characteristics 348
7.8 Microwave passive components 355
7.9 Microwave active devices 367
7.10 Further problems 378
Appendix A. Bessel table and graphs 380
Appendix B. Analysis of gain off resonance 382
Appendix C. Circuit analysis for a tuned primary amplifier 384
Appendix D. Circuit analysis for a tuned secondary 386
Appendix E. Circuit analysis for double tuning 388
Index 392