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Small Signal Audio Design / Douglas Self.
- Format:
- Book
- Author/Creator:
- Self, Douglas, author.
- Language:
- English
- Subjects (All):
- Audio amplifiers--Design and construction.
- Audio amplifiers.
- Sound--Recording and reproducing.
- Sound.
- Signal processing.
- Physical Description:
- 1 online resource (847 pages)
- Edition:
- Fourth edition.
- Place of Publication:
- New York, NY : Routledge, [2024]
- Summary:
- Small Signal Audio Design is a highly practical handbook providing an extensive repertoire of circuits that can be assembled to make almost any type of audio system. This fully revised fourth edition offers wholly new content on internally balanced audio design, electret microphones, emitter-follower stability, microphony in capacitors, and much, much more. This book continues the engaging prose style familiar to readers as you learn why mercury-filled cables are not a good idea, the pitfalls of plating gold on copper, and what quotes from Star Trek have to do with PCB design. Learn how to: make amplifiers with apparently impossibly low noise design discrete circuitry that can handle enormous signals with vanishingly low distortion transform the performance of low-cost opamps build active filters with very low noise and distortion while saving money on expensive capacitors make incredibly accurate volume controls make a huge variety of audio equalisers use load synthesis to make magnetic cartridge preamplifiers that have noise so low it is limited by basic physics sum, switch, clip, compress, and route audio signals build simple but ultra-low noise power supplies be confident that phase perception is not an issue Including all the crucial theories, but with minimal mathematics, Small Signal Audio Design is the must-have companion for anyone studying, researching, or working in audio engineering and audio electronics.
- Contents:
- Cover
- Endorsements
- Half Title
- Title
- Copyright
- Dedication
- Contents
- Preface
- Acknowledgments
- Chapter 1 The basics
- Signals
- Unbalanced and balanced signals
- Internally balanced design
- 600-Ohm lines
- Amplifiers
- Voltage amplifiers
- Transconductance amplifiers
- Current amplifiers
- Transimpedance amplifiers
- Negative feedback
- Nominal signal levels and dynamic range
- Frequency response
- Frequency response: cascaded stages
- Phase perception
- Gain structures
- Amplification then attenuation
- Attenuation then amplification
- Raising the input signal to the nominal level
- Active gain controls
- Noise
- Johnson noise
- Shot noise
- 1/f noise (flicker noise)
- Popcorn noise
- Summing noise sources
- Noise in amplifiers
- Noise in bipolar transistors
- Bipolar transistor voltage noise
- Bipolar transistor current noise
- Noise in JFETs
- Noise in opamps
- Noise gain
- Low-noise opamp circuitry
- Noise measurements
- How to attenuate quietly
- How to amplify quietly
- How to invert quietly
- How to balance quietly
- Ultra-low noise design with multipath amplifiers
- Ultra- low noise voltage buffers
- The 32-times 5532 opamp power amplifier
- Ultra-low noise amplifiers
- Multiple amplifiers for greater drive capability
- Chapter 2 Components
- Conductors
- Copper and other conductive elements
- The metallurgy of copper
- Gold and its uses
- Tin and its uses
- Cable and wiring resistance
- Printed circuit boards (PCBs)
- PCB track resistance
- PCB track-to-track crosstalk
- The 3-layer PCB
- Impedances and crosstalk: a case history
- Resistors
- Through-hole resistors
- Surface-mount resistors
- Resistor series
- Resistor accuracy: two resistor combinations
- Resistor accuracy: three resistor combinations
- Other resistor combinations.
- Resistor value distributions
- The uniform distribution
- Resistor imperfections
- Resistor excess noise
- Resistor non-linearity
- Capacitors
- Capacitor series
- Capacitor non-linearity examined
- Non-electrolytic capacitor non-linearity
- Electrolytic capacitor non-linearity
- Capacitor microphony
- Inductors
- Chapter 3 Discrete transistor circuitry
- Why use discrete transistor circuitry?
- Bipolars and FETs
- Bipolar junction transistors
- The transistor equation
- Transconductance
- Beta
- Unity-gain buffer stages
- The simple emitter-follower
- The constant-current emitter-follower
- The push-pull emitter-follower
- Emitter-follower stability
- JFET source-followers
- CFP-followers
- CFP-follower stability
- Improved unity-gain buffers
- Gain stages
- One-transistor shunt-feedback gain stages
- One-transistor series-feedback gain stages
- Two-transistor shunt-feedback amplifiers
- Two-transistor shunt-feedback stages: improving linearity
- Two-transistor shunt-feedback stages: noise
- Two-transistor shunt-feedback stages: bootstrapping
- Two-transistor shunt-feedback stages as summing amplifiers
- Three-transistor cascode shunt-feedback stages
- Two-transistor series-feedback gain stages
- Discrete opamp design
- Discrete opamp design: the input stage
- Discrete opamp design: the second stage
- Discrete opamp design: the output stage
- Chapter 4 Opamps and their properties
- Introduction
- A very brief history of opamps
- Opamp properties: noise
- Opamp properties: slew rate
- Opamp properties: common-mode range
- Opamp properties: input offset voltage
- Opamp properties: bias current
- Opamp properties: cost
- Opamp properties: distortion
- Opamp internal distortion
- Slew rate limiting distortion
- Distortion due to loading
- Thermal distortion
- Common-mode distortion.
- Common-mode distortion: bipolar input opamps
- Common-mode distortion: JFET opamps
- Selecting the right opamp
- Opamps surveyed: BJT input types
- The LM741 opamp
- The NJM4580 opamp
- The NJM8068 opamp
- The NE5532/5534 opamp
- 5532 output loading in shunt feedback mode
- The 5532 with series feedback
- Common-mode distortion in the 5532
- Reducing 5532 distortion by output stage biasing
- Which 5532?
- The 5534 opamp
- Deconstructing the 5532
- The LM4562 opamp
- The AD797 opamp
- The OP27 opamp
- The OP270 opamp
- The OP275 opamp
- Opamps surveyed: JFET input types
- The TL072 opamp
- The OPA2134 opamp
- The OPA604 opamp
- The OPA627 opamp
- Chapter 5 Opamps for low voltages
- High fidelity from low voltages
- Running opamps from a single +5 V supply rail
- Opamps for +5 V operation
- The NE5532 in +5 V operation
- The LM4562 in +5 V operation
- The AD8022 in +5 V operation
- The AD8397 in +5 V operation
- Opamps for 3.3 V single-rail operation
- Chapter 6 Filters
- Passive filters
- Active filters
- Lowpass filters
- Highpass filters
- Combined lowpass and highpass filters
- Bandpass filters
- Notch filters
- All-pass filters
- Filter characteristics
- Sallen &
- Key lowpass filters
- Key highpass filters
- Amplitude peaking and Q in lowpass and highpass Sallen &
- Key filters
- Key bandpass filters
- Key notch filters
- Distortion in Sallen &
- Mixed capacitors in low-distortion Sallen &
- Multiple-feedback bandpass filters
- Other notch filters
- Higher-order filters
- Switched-slope filters
- Differential Filters
- Chapter 7 Preamp architecture
- Passive preamplifiers
- Active preamplifiers
- Amplification and the gain-distribution problem
- Active gain controls.
- Active gain controls plus passive attenuators
- Recording facilities
- Tone controls
- Chapter 8 Variable gain stages
- Amplifier stages with gain from unity upwards: single gain pot
- Amplifier stages with gain from unity upwards: dual gain pot
- Combining gain stages with active filters
- Amplifier stages with gain from zero upwards: single gain pot
- Amplifier stages with gain from zero upwards: dual gain pot
- Switched-gain amplifiers
- Chapter 9 Moving-magnet inputs: levels and RIAA equalisation
- Cartridge types
- The vinyl medium
- Spurious signals
- Other vinyl problems
- Maximum signal levels from vinyl
- Moving-magnet cartridge sensitivities
- Overload margins and amplifier limitations
- Equalisation and its discontents
- The unloved IEC amendment
- The 'Neumann pole'
- MM amplifier configurations
- Opamp MM input stages
- Calculating the RIAA equalisation components
- Implementing RIAA equalisation
- Implementing the IEC amendment
- RIAA series-feedback network configurations
- RIAA optimisation: C1 as a single E6 capacitor, 2xE24
- RIAA optimisation: C1 as 3x10 nF capacitors, 2xE24
- RIAA optimisation: C1 as 4x10 nF capacitors, 2xE24
- RIAA optimisation: the Willmann Tables
- RIAA optimisation: C1 as 3x10 nF capacitors, 3xE24
- RIAA optimisation: C1 as 4x10 nF capacitors, 3xE24
- Switched-gain MM RIAA amplifiers
- Switched-gain MM/MC RIAA amplifiers
- Open-loop gain and RIAA accuracy
- Passive and semi-passive RIAA equalisation
- MM cartridge loading and frequency response
- MM cartridge-preamplifier interaction
- MM cartridge DC and AC coupling
- Noise in MM RIAA preamplifiers
- Hybrid MM amplifiers
- Balanced MM inputs
- Noise in balanced MM inputs
- Noise weighting
- Cartridge load synthesis for lower noise
- Subsonic filters
- Subsonic filtering: Butterworth filters.
- Subsonic filtering: elliptical filters
- Subsonic filtering by cancellation: the Devinyliser
- Ultrasonic filters
- A practical MM amplifier #3
- Chapter 10 Moving-coil head amplifiers
- Moving-coil cartridge characteristics
- The limits on MC noise performance
- Amplification strategies
- Moving-coil transformers
- Moving-coil input amplifiers
- An effective MC amplifier configuration
- The complete circuit
- Performance
- Opamp arrays for MC preamps
- Chapter 11 Tape replay
- The return of tape
- A brief history of tape recording
- The basics of tape recording
- Multitrack recording
- Tape heads
- Tape replay
- Tape replay equalisation
- Tape replay amplifiers
- Replay noise: calculation
- Replay noise: measurements
- Load synthesis
- Noise reduction systems
- Dolby HX-pro
- Chapter 12 Guitar preamplifiers
- Electric guitar technology
- Guitar pickups
- Pickup characteristics
- Guitar wiring
- Guitar leads
- Guitar preamplifiers
- Guitar preamplifier noise: calculations
- Guitar preamplifier noise: measurements
- Guitar amplifiers and guitar effects
- Guitar direct injection
- Chapter 13 Volume controls
- Volume controls
- Volume control laws
- Loaded-linear pots
- Dual-action volume controls
- Tapped volume controls
- Slide faders
- Active volume controls
- The Baxandall active volume control
- The Baxandall volume control law
- A practical Baxandall active volume stage
- Low noise Baxandall active volume stages
- The Baxandall volume control: loading effects
- An improved Baxandall active volume stage with lower noise
- Baxandall active volume stage plus passive control
- The overlap penalty
- Potentiometers and DC
- Belt-ganged volume controls
- Motorised potentiometers
- Stepped volume controls
- Switched attenuator volume controls
- Relay-switched volume controls.
- Transformer-tap volume controls.
- Notes:
- Includes index.
- Description based on print version record.
- Other Format:
- Print version: Self, Douglas Small Signal Audio Design
- ISBN:
- 1-000-98834-1
- 1-000-98832-5
- 9781003332985
- OCLC:
- 1395553892
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