Radio and Line Transmission

Radio and Line Transmission

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

1st Edition - January 1, 1972

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  • Author: D. Roddy
  • eBook ISBN: 9781483136301

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Description

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


  • Foreword

    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

    Index


Product details

  • No. of pages: 432
  • Language: English
  • Copyright: © Pergamon 1972
  • Published: January 1, 1972
  • Imprint: Pergamon
  • eBook ISBN: 9781483136301

About the Author

D. 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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