Efnisyfirlit

• Electronics
• Copyright Page
• Table of Contents
• Chapter 1. Introduction
• What is meant by ‘electronics’?
• What is an electron?
• What is an electric current?
• What is the difference between conductors and insulators?
• What is a semiconductor?
• Do currents flow only in metals and semiconductors?
• What causes a current to flow?
• How are e.m.f. and current related?
• What is the effect of combining resistances?
• What is internal resistance?
• What is the meaning of ‘matching’?
• Chapter 2. Waveforms, pulses, and signals
• What is the difference between d.c. and a.c.?
• What is the advantage of using a.c.?
• What is amplitude?
• What is frequency?
• What is wavelength?
• What is phase?
• Are there other types of current?
• Are pulses that simple?
• What other waveforms are there?
• What are harmonics?
• What is a signal?
• What is meant by ‘noise’?
• What is modulation?
• How do electromagnetic and sound waves compare ?
• What are ultrasonic waves?
• What is a transducer?
• Chapter 3.Components
• What is a resistor?
• What is an inductor?
• What is mutual inductance?
• How does a capacitor work?
• What is the unit of capacitance?
• What is meant by ‘time constant’?
• What is the effect of combining inductance and capacitance?
• What are passive components?
• What is a semiconductor diode?
• How is a diode used for rectification?
• What are ‘active components’?
• Are active components linear or non-linear?
• How does a transistor function?
• Is thai how all transistors work?
• What is a photo-electric cell?
• Are valves still used?
• Chapter 4. Amplification
• What are the main features of an amplifier?
• What frequencies can an amplifier such as that in Fig.38 handle?
• Will an amplifier like that shown in Fig. 38 drive a loudspeaker?
• Can you have a class B stage without crossover distortion?
• What kinds of distortion are encountered?
• What is meant by ‘bandwidth’?
• Why is decoupling necessary?
• What is meant by ‘feedback’, and how is it used?
• What is an emitter follower?
• What is the cascode circuit?
• Chapter 5. Generating signals
• What sort of signals can be generated?
• What is a crystal oscillator?
• Do all sinewave oscillators use tuned circuits?
• How is a squarewave produced?
• What effect has a ‘time constant’?
• How is a spike waveform produced?
• How is a triangular waveform produced?
• What other types of pulse circuit are there?
• Chapter 6. Radio and television
• What is the principle of radio?
• What modulation processes are used?
• What are the merits of FM?
• How are radio signals demodulated?
• What is the principle of television?
• How does the camera work?
• How is synchronisation achieved?
• How is the sound transmitted?
• What are the main sections of a TV receiver?
• How does remote-control TV work?
• What are the main features of a cathode-ray tube?
• How does colour television work?
• How can two colour signals be modulated on to the same subcarrier?
• How is a colour picture displayed?
• Chapter 7. Digital techniques
• What is the distinguishing feature of a digital circuit?
• What are some simple digital circuits?
• How are digital circuits connected together to do something useful?
• How does binary arithmetic work?
• How does a calculator work?
• How does a computer work?
• How is information stored?
• How does the computer communicate with the outside world?
• How can a computer monitor physical quantities such temperature and pressure?
• Do computers come in a range of sizes?
• How are computers programmed?
• Chapter 8. Electronic test and measurement equipment
• What are typical items of electronic testgear?
• Are digital techniques used in test equipment?
• What is a ‘bridge’?
• What are oscilloscopes used for?
• What is ATE?
• Chapter 9. Electronics in music and entertainment
• When did electronics become important in music and entertainment?
• What is hi-fi?
• What is Stereo?
• How does stereo work?
• What is ‘Quad’?
• How does a record player work?
• How does taperecording work?
• What is ‘Dolby’?
• What are digital recordings?
• How do systems like Ceefax work?
• How does an electronic organ work?
• What is a synthesiser?
• What other electronic techniques are used in music?
• Chapter 10. Other uses of electronics
• What is radar?
• How is microwave energy produced?
• What is special about the waveguide and the aerial?
• How is radar information information displayed?
• How is ultrasonic energy generated and used?
• How important are electronic techniques in medicine?
• Are radio techniques used in medicine?
• What other developments have there been?
• What is opto-electronics?
• Are there more opto-electronic devices?
• How does the laser work?
• Where is opto-electronics used?
• Index