Telecommunication Circuits and Technology

Andrew Leven Diploma in Radio Technology HNC BSc (Hons) Electronics MSc Astronomy C. Eng M.I.E.E Teaching Diploma M.I.P.9780750650458, 0750650451

Telecommunication Circuits and Technology provides students with a problem solving approach to understanding the fundamentals of telecommunications. The author covers the common telecommunication and data communication circuits that are currently taught at further and higher education level and also used in industry. Understanding is reinforced with frequent worked examples and problems for specific applications and industrial data sheets are also given.This text is essential reading for HND/C and degree studnets of electronic or telecommunications engineering. Due to its practical bias, it is also a useful text for technical professionals wishing to update their skills or learn new technology.Understanding is reinforced with frequent worked exampleNovel approach using real engineering problems and manufacturers’ data sheets

---

Table of contents :
1.1 Introduction……Page 11
1.2 The principles of oscillation……Page 12
1.3 The basic structure and requirements of an oscillator……Page 13
1.4 RC oscillators……Page 15
Phase-shift oscillators……Page 16
Wien bridge oscillator……Page 18
The twin-T oscillator……Page 21
The Colpitts oscillator……Page 23
The Hartley oscillator……Page 28
The Clapp oscillator……Page 31
The Armstrong oscillator……Page 33
1.6 Crystal oscillators……Page 34
1.8 Types of crystal oscillator……Page 35
1.9 Oscillator frequency stability……Page 36
1.10 Integrated circuit oscillators……Page 41
1.11 Further problems……Page 43
2.1 Introduction……Page 60
Amplitude modulation……Page 62
Power distribution in an AM wave……Page 64
Amplitude modulation techniques……Page 67
2.3 The balanced modulator/ demodulator……Page 69
2.4 Frequency modulation and demodulation……Page 70
Bandwidth and CarsonÌs rule……Page 0
2.5 FM modulators……Page 78
The phase-locked loop demodulator……Page 80
The ratio detector……Page 81
Frequency shift keying……Page 82
Phase shift keying (BPSK)……Page 85
Quadrature phase shift keying……Page 87
2.8 Further problems……Page 89
3.1 Introduction……Page 104
3.2 Passive filters……Page 106
Filter response……Page 107
Cut-off frequency and roll-off rate……Page 108
Filter orders……Page 109
3.4 First-order filters……Page 110
3.5 Design of first-order filters……Page 113
Low-pass second-order filters……Page 115
3.7 Using the transfer function……Page 119
3.8 Using normalized tables……Page 121
3.10 Second-order high-pass filters……Page 122
3.11 Additional problems……Page 128
3.12 Bandpass filters……Page 129
3.14 Switched capacitor filter……Page 133
3.15 Monolithic switched capacitor filter……Page 135
3.16 The notch filter……Page 136
Twin- T network……Page 137
The state variable filter……Page 138
Capacitor selection……Page 141
Signal generator and oscilloscope method……Page 142
The sweep frequency method……Page 145
4.1 Introduction……Page 170
4.2 Tuned circuits……Page 171
4.3 The Q factor……Page 172
4.5 Gain and bandwidth……Page 173
4.6 Effect of loading……Page 175
4.7 Effect of tapping the tuning coil……Page 178
4.9 Tuned primary……Page 182
4.10 Tuned secondary……Page 186
4.11 Double tuning……Page 190
4.12 Crystal and ceramic tuned amplifiers……Page 193
4.13 Integrated tuned amplifiers……Page 197
4.15 Further problems……Page 201
5.1 Introduction……Page 225
5.2 Transistor characteristics and parameters……Page 226
Using transistor characteristics……Page 227
5.3 Transistor bias……Page 229
Voltage divider bias……Page 233
5.4 Small signal voltage amplifiers……Page 235
5.5 The use of the decibel……Page 237
Class A (single-ended) amplifier……Page 238
Class B push-pull (transformer) amplifier……Page 242
Crossover distortion……Page 243
Class B complementary pair push- pull……Page 244
Practical analysis of class B push-pull parameters……Page 245
5.7 Calculating power and efficiency……Page 252
5.8 Integrated circuit power amplifiers……Page 256
LM380……Page 257
TDA2006……Page 258
5.9 Radio frequency power amplifiers……Page 259
5.10 Power amplifier measurements……Page 260
5.11 Further problems……Page 262
6.1 Introduction……Page 283
6.2 Operational considerations……Page 284
Phase detector……Page 285
Amplifier……Page 287
Voltage-controlled oscillator……Page 288
The Bode plot……Page 289
Compensation analysis……Page 291
6.5 Integrated phase-locked loops……Page 298
6.6 Phase-locked loop design using the HCC4046B……Page 301
6.7 Frequency synthesis……Page 304
Prescaling……Page 306
6.8 Further problems……Page 309
7.1 Introduction……Page 336
7.2 Phase delay and propagation velocity……Page 337
7.3 The propagation constant and secondary constants……Page 338
7.4 Transmission line distortion……Page 339
7.5 Wave reflection and the reflection coefficient……Page 340
7.6 Standing wave ratio……Page 342
Transmission modes……Page 344
The rectangular waveguide……Page 345
Cut-off conditions……Page 346
7.8 Microwave passive components……Page 351
The directional coupler……Page 352
Waveguide junctions……Page 353
Cavity resonators……Page 354
Probes……Page 359
Circulators and isolators……Page 361
Microwave tubes……Page 363
Multicavity magnetrons……Page 364
7.10 Further problems……Page 374
A Bessel table and graphs……Page 376
B Analysis of gain off resonance……Page 378
C Circuit analysis for a tuned primary amplifier……Page 380
D Circuit analysis for a tuned secondary……Page 382
E Circuit analysis for double tuning……Page 384
Index……Page 387