Small signal audio design. (2020)

• Record Type: Book
• Further Information: Note: Douglas Self.
• Authors: Self, Douglas
• Contents: Chapter 1: The Basics Signals 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 voltage 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 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 Cable and wiring resistance 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 Inductors Chapter 3: Discrete transistor circuitry Why use discrete transistor circuitry? Bipolars and FETs Bipolar junction transistors The transistor equation Beta Unity-gain buffer stages The simple emitter-follower The constant-current emitter-follower The push-pull emitter-follower Emitter-follower stability CFP emitter-followers Improved unity-gain buffers Gain stages One-transistor shunt-feedback gain stages One-transistor series-feedback gain stages Two-transistor shunt-feedback gain stages 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 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 High input impedance bipolar stages 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 NE5532/5534 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 TL052 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 +5V supply rail Opamps for 5V operation The NE5532 in +5V operation The LM4562 in +5V operation The AD8022 in +5V operation The AD8397 in +5V operation Opamps for 3.3 V operation Chapter 6: Filters Introduction Passive filters Active filters Low pass filters High pass filters Combined low pass & high pass filters Bandpass filters Notch filters All-pass filters Filter characteristics Sallen & Key lowpass filters Sallen & Key highpass filters Distortion in Sallen & Key filters Multiple-feedback bandpass filters Notch filters Differential Filters Chapter 7: Preamplifier architectures Passive preamplifiers Active preamplifiers Amplification and the gain-distribution problem 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 & 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 3x10nF capacitors, 2xE24 RIAA optimisation: C1 as 4x10nF capacitors, 2xE24 RIAA optimisation: the Willmann Tables RIAA optimisation: C1 as 3x10nF capacitors, 3xE24 RIAA optimisation: C1 as 4x10nF 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 & 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 Noi
• Edition: Third edition
• Publisher Details: London : Routledge
• Publication Date: 2020
• Extent: 1 online resource, illustrations (black and white)
• Subjects: 621.38284; Acoustical engineering; Signal processing; Audio amplifiers -- Design and construction
• Languages: English
• ISBNs: 9781000050448; 9781000050424; 9781000050431; 9781003031833
• Related ISBNs: 9780367468965; 9780367468958
• Notes: Note: Includes bibliographical references and index.; Note: Description based on CIP data; resource not viewed.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.