Small Signal Audio Design 4th Edition by Douglas Self 9781000988345 1000988341

Small Signal Audio Design 4th Edition Douglas Self – Ebook Instant Download/Delivery ISBN(s): 9781000988345, 1000988341

Product details:

• ISBN 10: 1000988341
• ISBN 13:9781000988345
• Author: Douglas Self

Small Signal Audio Design

Table contents:

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
Introduction
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
Sallen & Key highpass filters
Amplitude peaking and Q in lowpass and highpass Sallen & Key filters
Sallen & Key bandpass filters
Sallen & Key notch filters
Distortion in Sallen & Key filters
Mixed capacitors in low-distortion Sallen & Key filters
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 3×10 nF capacitors, 2xE24
RIAA optimisation: C1 as 4×10 nF capacitors, 2xE24
RIAA optimisation: the Willmann Tables
RIAA optimisation: C1 as 3×10 nF capacitors, 3xE24
RIAA optimisation: C1 as 4×10 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
Noise measurements
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
Integrated circuit volume controls
Loudness controls
The Newcomb and Young loudness control
Chapter 14 Balance controls
The ideal balance law
Balance controls: passive
Balance controls: active
Combining balance controls with other stages
Switched balance controls
Mono-stereo switches
Width controls
Chapter 15 Tone controls and equalisers
Introduction
Passive tone controls
Baxandall tone controls
The Baxandall one-LF-capacitor tone control
The Baxandall two-LF-capacitor tone control
The Baxandall two-HF-capacitor tone control
The Baxandall tone control: impedance and noise
Combining a Baxandall stage with an active balance control
One-band tone controls
Switched-HF-frequency Baxandall controls
Variable-frequency HF EQ
Variable-frequency LF EQ
A new type of switched-frequency LF EQ
Variable-frequency HF and LF EQ in one stage
Tilt or tone-balance controls
Middle controls
Fixed-frequency Baxandall middle controls
Three-band Baxandall EQ in one stage
Wien fixed middle EQ
Wien fixed middle EQ: altering the Q
Variable-frequency middle EQ
Single-gang variable-frequency middle EQ
Switched-Q variable-frequency Wien middle EQ
Switchable peak/shelving LF/HF EQ
Parametric middle EQ
Graphic equalisers
Chapter 16 Mixer architecture
Introduction
Performance factors
Mixer internal levels
Mixer architecture
The split mixing architecture
The in-line mixing architecture
A closer look at split format modules
The channel module (split format)
Effect-return modules
The group module
The master module
Talkback and oscillator systems
The in-line channel module
Chapter 17 Microphone preamplifiers
Microphone types
Microphone preamplifier requirements
Transformer microphone inputs
The simple hybrid microphone preamplifier
Simple hybrid microphone preamplifier: noise
Simple hybrid microphone preamplifier: distortion
Simple hybrid microphone preamplifier: CMRR
Microphone and line input pads
Why phantom power is +48 V
Simple hybrid microphone preamplifier: non-switched
The balanced-feedback hybrid microphone preamplifier (BFMA)
The padless microphone preamplifier
Mic preamps for digital mixers
Capacitor microphone head amplifiers
Ribbon microphone amplifiers
Chapter 18 Line inputs
External signal levels
Internal signal levels
Input amplifier functions
Unbalanced inputs
Balanced interconnections
The advantages of balanced interconnections
The disadvantages of balanced interconnections
Balanced cables and interference
Balanced connectors
Balanced signal levels
Electronic vs transformer balanced inputs
Common mode rejection
The basic electronic balanced input
Common-mode rejection: the basic balanced input and opamp effects
Common-mode rejection: opamp frequency response effects
Common-mode rejection: opamp CMRR effects
Amplifier component mismatch effects
A practical balanced input
Variations on the balanced input stage
Alternative unbalanced or balanced inputs
Combined unbalanced and balanced inputs
The Superbal input
Switched-gain balanced inputs
Variable-gain balanced inputs
Combined line input and balance control stage with low noise
The Self variable-gain line input
High input impedance balanced inputs
The inverting two-opamp input
The instrumentation amplifier
Instrumentation amplifier applications
The instrumentation amplifier with 4x gain
The instrumentation amplifier at unity gain
The instrumentation amplifier and gain controls
The instrumentation amplifier and the Whitlock bootstrap
Transformer balanced inputs
Input overvoltage protection
Low-noise balanced inputs
Low-noise balanced inputs in action
Ultra low-noise balanced inputs
Chapter 19 Line outputs
Unbalanced outputs
Zero-impedance outputs
Ground-cancelling outputs: basics
Ground-cancelling outputs: zero-impedance output
Ground-cancelling outputs: CMRR
Ground-cancelling outputs: send amplifier noise
Ground-cancelling outputs: into a balanced input
Ground-cancelling outputs: history
Balanced outputs: basics
Balanced outputs: output impedance
Balanced outputs: noise
Economical -6 dB balanced output
Quasi-floating outputs
Transformer balanced outputs
Output transformer frequency response
Output transformer distortion
Reducing output transformer distortion
Output impedance synthesis
Chapter 20 Headphone amplifiers
Driving heavy loads
Driving headphones
Special opamps
Multiple opamps
Opamp transistor hybrid amplifiers
Discrete Class-AB headphone amplifiers
Discrete Class-A headphone amplifiers
Balanced headphone amplifiers
Chapter 21 Signal switching
Mechanical switches
Input-select switching: mechanical
The virtual contact: mechanical
Relay switching
Electronic switching
Switching with CMOS analogue gate
CMOS gates in voltage mode
CMOS gates in current mode
CMOS series-shunt current mode
Control voltage feedthrough in CMOS gates
CMOS gates at higher voltages
CMOS gates at low voltages
CMOS gates in other formats
Discrete JFET switching
Series JFET switching in voltage mode
Shunt JFET switching in voltage mode
JFETs in current mode
Reducing distortion by biasing of JFETs
JFET drive circuitry
Physical layout and offness
Dealing with the DC conditions
A soft changeover circuit with JFETs
Control voltage feedthrough in JFETs
Discrete MOSFET switching
Chapter 22 Mixer sub-systems
Mixer bus systems
Input arrangements
Equalisation
Insert points
How to move a circuit block
Faders
Improving fader offness
Postfade amplifiers
Direct outputs
Panpots
Passive panpots
The active panpot
LCR panpots
Routing systems
Auxiliary sends
Group module circuit blocks
Summing systems: voltage summing
Summing systems: virtual-earth summing
Balanced summing systems
Ground-cancelling summing systems
Distributed summing systems
Summing amplifiers
Hybrid summing amplifiers
Balanced hybrid summing amplifiers
Balancing tracks to reduce crosstalk
The multi-function summing amplifier
PFL systems
PFL summing
PFL switching
PFL detection
Virtual-earth PFL detection
AFL systems
Solo-In-Place systems
Talkback microphone amplifiers
Line-up oscillators
The flash bus
Power supply protection
Console cooling and component lifetimes
Chapter 23 Level indication and metering
Signal-present indication
Peak indication
The Log Law Level LED (LLLL)
Distributed peak detection
Combined LED indicators
VU meters
PPM meters
LED bar-graph metering
A more efficient LED bar-graph architecture
Vacuum fluorescent displays
Plasma displays
Liquid crystal displays
Chapter 24 Gain-control elements
A brief history of gain-control elements
JFETs
Operational transconductance amplifiers (OTAs)
Voltage-Controlled Amplifiers (VCAs)
Compressors and limiters
Attack artefacts
Decay artefacts
Subtractive VCA control
Noise gates
Clipping
Diode clipping
Active clipping with transistors
Active clipping with opamps
1) Clipping by clamping
2) Negative-feedback clipping
3) Feedforward clipping
Noise generators
Pinkening filters
Chapter 25 Power supplies
Opamp supply rail voltages
Designing a ±15 V supply
Designing a ±17 V supply
Using variable-voltage regulators
Improving ripple performance
Ultra low-noise regulators
Dual supplies from a single winding
Power supplies for discrete circuitry
Larger power supplies
Mutual shutdown circuitry
Very large power supplies
Microcontroller and relay supplies
+48 V phantom power supplies
Chapter 26 Interfacing with the digital domain
PCB layout considerations
Nominal levels and ADCs
Some typical ADCs
Interfacing with ADC inputs
Some typical DACs
Interfacing with DAC outputs
Interfacing with microcontrollers
Chapter 27 Design and experimentation
The design sequence
Schematics
Prototype board
Screening prototype boards
Stripboard
PCBs

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