Radio and Line Transmission - 1st Edition - ISBN: 9780080162881, 9781483136301

Radio and Line Transmission

1st Edition

The Commonwealth and International Library: Electrical Engineering Division, Volume 2

Authors: Dermot Roddy
Editors: N. Hiller
eBook ISBN: 9781483136301
Imprint: Pergamon
Published Date: 1st January 1972
Page Count: 432
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Radio and Line Transmission, Volume 2 gives a detailed treatment of the subject as well as an introduction to additional advanced subject matter. Organized into 14 chapters, this book begins by explaining the radio wave propagation, signal frequencies, and bandwidth. Subsequent chapters describe the transmission lines and cables; the aerials; tuned and coupled circuits; bipolar transistor amplifiers; field-effect transistors and circuits; thermionic valve amplifiers; LC oscillators; the diode detectors and modulators; and the superheterodyne receiver. Other chapters explore noise and interference in the transmission; the negative feedback that occurs in amplifier; and the methods used in the field of electronic measurements. This volume will be very valuable to technicians in the electrical engineering industry.

Table of Contents


Author's Preface

Chapter 1. Radio Wave Propagation

1.1. Introduction

1.2. The Surface Wave

1.3. The Ionospheric Wave

1.4. The Space Wave

1.5. The Ground Wave

1.6. Broadcast Fading Zone

1.7. Exercises

Chapter 2. Signal Frequencies and Bandwidth

2.1. Introduction

2.2. Video Signals

2.3. Pulse Signals

2.4. Carrier Frequencies and Single Sideband Working

2.5. Pulse Code Modulation (PCM)

2.6. Exercises

Chapter 3. Transmission Lines and Cables

3.1. Introduction

3.2. Overhead (Open-wire) Lines

3.3. Cables for Exchange Area Audio Circuits

3.4. Cables for Long-distance Audio Circuits

3.5. Cables for Wide-Frequency Ranges

3.6. Characteristic Impedance of Transmission Lines

3.7. The Propagation Coefficient

3.8. Transmission Lines for Radio Frequencies

3.9. Exercises

Chapter 4. Aerials

4.1. Introduction

4.2. The Half-Wave Dipole

4.3. The Polar Diagram

4.4. Beamwidth

4.5. The Isotropic Radiator

4.6. The Hertzian Dipole

4.7. Aerial Gain

4.8. Radiation Resistance

4.9. Receiving Aerials

4.10. The ½λ Dipole with (a) Reflector, and (b) Director

4.11. The Unipole

4.12. Folded Elements

4.13. T- and Inverted-L-Aerials

4.14. Effective Height

4.15. Ferrite Rod Aerials

4.16. Aerial Efficiency

4.17. Exercises

Chapter 5. Noise and Interference

5.1. Introduction

5.2. Thermal Noise

5.3. Equivalent Noise Bandwidth

5.4. Noise in Thermionic Valves

5.5. Noise in Semiconductors

5.6. Signal-to-Noise Ratio

5.7. Interference

5.8. Exercises

Chapter 6. Tuned and Coupled Circuits

6.1. Introduction

6.2. Series-Tuned Circuit

6.3. Parallel-Tuned Circuit

6.4. Mutual Inductive Coupling

6.5. Exercises

Chapter 7. Bipolar Transistor Amplifiers

7.1. Introduction

7.2. Biasing and Stabilization

7.3. Hybrid Parameters

7.4. The Class a Power Amplifier: Use of Load Lines

7.5. Class B Push-Pull Amplifiers

7.6. The Class A-Tuned Radio-Frequency Amplifier

7.7. Exercises

Chapter 8. Field-Effect Transistors and Circuits

8.1. Introduction

8.2. The Insulated-Gate Field-Effect Transistor

8.3. IGFET Static Characteristic Curves

8.4. Voltage Amplification Factor for an Insulated-Gate Field-Effect Transistor

8.5. Biasing Circuits for Insulated-Gate Field-Effect Transistors

8.6. The Junction-Gate Field-Effect Transistor

8.7. Biasing the Junction-Gate Field-Effect Transistor

8.8. Substrate Bias for the Insulated-Gate Field-Effect Transistor

8.9. Circuit Symbols for Field-Effect Transistors

8.10. The Common-Source Amplifier

8.11. The Common-Gate Amplifier

8.12. Multi-Electrode Field-Effect Transistors

8.13. Advantages of the Insulated-Gate Field-Effect Transistor

8.14. Exercises

Chapter 9. Thermionic Valve Amplifiers

9.1. Introduction

9.2. D.C. Supplies and Biasing

9.3. Equivalent Circuits for Small-Signal Class A Amplifiers

9.4. Frequency Response of RC-Coupled Amplifier

9.5. Use of Load-Lines

9.6. Class A Audio-Frequency Power Amplifiers

9.7. Push-Pull Audio-Frequency Power Amplifiers

9.8. Input Capacitance of a Common-Cathode Amplifier

9.9. Tuned Radio-Frequency Amplifiers, Class A

9.10. Gain Bandwidth Factor

9.11. Exercises

Chapter 10. Negative Feedback

10.1. Introduction

10.2. General Properties of Feedback

10.3. Gain Stability

10.4. Reduction of Frequency Distortion

10.5. Reduction of Non-linear Distortion

10.6. Reduction of Noise

10.7. Feedback Expressed in Decibels

10.8. Negative Feedback in Valve and Field-Effect Transistor (FET) Amplifiers

10.9. Negative Feedback in Bipolar Transistor Amplifiers

10.10. Exercises

Chapter 11. LC Oscillators

11.1. Introduction

11.2. The Tuned-Anode Oscillator

11.3. Biasing Arrangements

11.4. The Colpitis Oscillator

11.5. The Hartley Oscillator

11.6. Frequency Stability

11.7. Crystal-Controlled Oscillators

11.8. Exercises

Chapter 12. Diode Detectors and Modulators. Frequency Changing

12.1. Introduction

12.2. The Linear Detector

12.3. Diode Ring Modulator Circuits

12.4. Frequency Changing (or Mixing)

12.5. Conversion Conductance

12.6. Exercises

Chapter 13. The Superheterodyne Receiver

13.1. Introduction

13.2. Choice of Oscillator Frequency Range

13.3. Image Channel Rejection

13.4. Adjacent Channel Selectivity

13.5. Spurious Responses

13.6. Oscillator Radiation

13.7. The Radio-Frequency Amplifier Stage

13.8. Oscillator and Signal Circuit Tracking

13.9. The Double Superhet

13.10. Automatic Gain Control

13.11. A Transistor Superheterodyne Receiver

13.12. Exercises

Chapter 14. Measurements

14.1. Introduction

14.2. The Q-Meter

14.3. Tuned-Circuit Substitution Measurements

14.4. Substitution Method and the Q-Meter

14.5. Use of Q-Meter to Measure the Self-capacitance of a Coil

14.6. The Cathode-Ray Oscilloscope

14.7. The Oscilloscope Display

14.8. Oscilloscope Display of Frequency Ratios (Lissajous Figures)

14.9. Oscilloscope Display of Modulation Index

14.10. Exercises

Answers to Exercises



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© Pergamon 1972
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About the Author

Dermot Roddy

Dermot Roddy is the Science City Professor of Energy and Director of the Sir Joseph Swan Institute at Newcastle University, UK. He was previously responsible for the development of a renewable energy and alternative fuel programme for Renew Tees Valley Ltd, UK, and he is noted for his research in optimisation and control.

About the Editor

N. Hiller

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