Audio Electronics

Preface1 Tape Recording The Basic System Magnetic Tape Tape Coatings Tape Backing Materials Tape Thicknesses Tape Widths The Recording Process Causes of Non-Uniform Frequency Response Influence of HF Bias Head Gap Effects Pole-Piece Contour Effects Effect of Tape Speed Record/Replay Equalisation Pre- and De-Emphasis Frequency Correction Standards Head Design Magnetic Materials Tape Erasure Recording Track Dimensions HF Bias Basic Bias Requirements Bias Frequency Bias Waveform Optimum Bias Level Maximum Output Level (MOL) Sensitivity Harmonic Distortion Noise Level Saturation Output Level (SOL) Bias Level Setting The Tape Transport Mechanism Transient Performance Tape Noise Electronic Circuit Design Record/Replay Circuit Design Schematic Layout Sony Pioneer Technics Replay Equalisation Bias Oscillator Circuits The Record Amplifier Input/Output Stage Design Recording Level Indication Tape Drive Motor Speed Control Professional Recording Equipment General Description Mechanical Aspects Electrical Design Multi-Track Machines Digital Recording Systems PCM Encoding Bandwidth Requirements Analogue vs. Digital Performance Editing Domestic Equipment Copy Protection (SCMS) Domestic Systems RDAT, SDAT, CDR, Mini-Disc, DCC2 Tuners and Radio Receivers Background Basic Requirements Transmitter Radiation Pattern The Influence of the Ionosphere Critical Frequency Classification of Radio Spectrum VHF/SHF Effects Why VHF Transmissions? Broadcast Band Allocations Choice of Broadcasting Frequency AM or FM? Modulation Systems Bandwidth Requirements FM Broadcast Standards Stereo Encoding/Decoding GE/Zenith 'Pilot Tone' System Decoder Systems PCM Programme Distribution System HF Pre-Emphasis Supplementary Broadcast Signals Alternative Transmission Methods SSB Broadcasting Radio Receiver Design Tuned Circuit Characteristics SAW Filters Superhet Receiver Sensitivity Stability Crystal Control Barlow-Wadley Loop Frequency Synthesis Phase-Locked Loop Automatic Frequency Control Frequency Meter Display FM Linearity FM Demodulator Types AM Linearity AM Demodulator Systems Circuit Design New Developments Appendices Broadcast Signal Characteristics Radio Data System (RDS)3 Preamplifiers and Input Signals Requirements Signal Voltage and Impedance Levels Gramophone Pick-Up Inputs Ceramic Cartridges DIN Input Connections MM and Variable Reluctance Cartridges RIAA Equalisation MC Cartridges Input Circuitry Moving Coil PU Head Amplifier Design Circuit Arrangements Noise Levels Low Noise IC op.