Audio Power Amplifier Design Handbook
This book is essential for audio power amplifier designers and engineers for one simple reason..it enables you as a professional to develop reliable, high-performance circuits. The Author Douglas Self covers the major issues of distortion and linearity, power supplies, overload, DC-protection and re...
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| Format: | eBook |
| Language: | Inglés |
| Published: |
Boca Raton, FL :
Routledge
[2012].
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| Edition: | 5th ed |
| Subjects: | |
| See on Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009627534306719 |
Table of Contents:
- Cover; Title Page; Copyright Page; Table of Contents; Acknowledgments; Preface to fifth edition; Abbreviations; Chapter 1 Introduction and general survey; The economic importance of power amplifiers; Assumptions; Origins and aims; The study of amplifier design; Misinformation in audio; Science and subjectivism; The subjectivist position; A short history of subjectivism; The limits of hearing; Articles of faith: the tenets of subjectivism; The length of the audio chain; The implications; The reasons why; The outlook; Technical errors; The performance requirements for amplifiers; Safety
- ReliabilityPower output; Frequency response; Noise; Distortion; Damping factor; Absolute phase; Amplifier formats; Chapter 2 Power amplifier architecture and negative feedback; Amplifier architectures; The three-stage amplifier architecture; The two-stage amplifier architecture; The four-stage amplifier architecture; Power amplifier classes; Class-A; Class-AB; Class-B; Class-C; Class-D; Class-E; Class-F; Class-G; Class-H; Class-S; Variations on Class-B; Error-correcting amplifiers; Non-switching amplifiers; Current-drive amplifiers; The Blomley principle; Geometric mean Class-AB
- Nested differentiating feedback loopsAmplifier bridging; Fractional bridging; AC- and DC-coupled amplifiers; The advantages of AC-coupling; The advantages of DC-coupling; Negative feedback in power amplifiers; Some common misconceptions about negative feedback; Amplifier stability and NFB; Maximizing the NFB; Overall feedback versus local feedback; Maximizing linearity before feedback; Chapter 3 The general principles of power amplifiers; How a generic amplifier works; The advantages of the conventional; The distortion mechanisms; Distortion 1: Input stage distortion
- Distortion 2: VAS distortionDistortion 3: Output stage distortion; Distortion 4: VAS-loading distortion; Distortion 5: Rail-decoupling distortion; Distortion 6: Induction distortion; Distortion 7: NFB take-off distortion; Distortion 8: Capacitor distortion; Distortion 9: Magnetic distortion; Distortion 10: Input current distortion; Distortion 11: Premature overload protection; Nonexistent or negligible distortions; The performance of a standard amplifier; Open-loop linearity and how to determine it; Direct open-loop gain measurement; Using model amplifiers
- The concept of the Blameless amplifierChapter 4 The input stage; The role of the input stage; Distortion from the input stage; BJTs versus FETs for the input stage; Advantages of the FET input stage; Disadvantages of FET input stage; Singleton input stage versus differential pair; The input stage distortion in isolation; Input stage balance; The joy of current-mirrors; Better current-mirrors; Improving input stage linearity; Further improving input linearity; Increasing the output capability; Input stage cascode configurations; Double input stages; Input stage common-mode distortion
- Input current distortion
