UID:
almafu_9960073237702883
Format:
1 online resource (444 p.)
Edition:
3rd ed.
ISBN:
1-281-31164-2
,
9786611311643
,
0-08-049961-9
Content:
Douglas Self has called upon his years of experience at the cutting edge of audio design to compile this handbook for professionals and students. The book provides a clear and practical guide to the state of the art, and includes detailed design and construction information. This new edition is more comprehensive than ever, with a new chapter on Class G amplifiers and further new material on output coils, thermal distortion, relay distortion, ground loops, triple EF output stages and convection cooling.Douglas Self has dedicated himself to demystifying amplifier design and esta
Note:
Includes index.
,
Contents; Synopsis; Preface; 1 Introduction and general survey; The economic importance of power amplifiers; The study of amplifier design; Misinformation in audio; The performance requirements for amplifiers; Acronyms; 2 History, architecture and negative feedback; A brief history of amplifiers; Amplifier architectures; Power amplifier classes; AC and DC coupled amplifiers; Negative feedback in power amplifiers; 3 The general principles of power amplifiers; How a generic amplifier works; The advantages of convention; The eight distortions; The performance of a standard amplifier
,
Open-loop linearity and how to determine itDirect o/l gain measurement; Using model amplifiers; The concept of the Blameless amplifier; 4 The small signal stages; The role of the input stage; Distortion from the input stage; BJTs vs FETs for the input stage; Singleton input stage versus differential pair; The input stage distortion in isolation; Input stage balance; The joy of current-mirrors; Improving input-stage linearity; Radical methods of improving input linearity; Input stage cascode configurations; Input noise and how to reduce it; Offset and match: the DC precision issue
,
The input stage and the slew-rateThe voltage-amplifier stage; Measuring VAS distortion in isolation; VAS operation; VAS distortion; Linearising the VAS: active load techniques; VAS enhancements; The importance of voltage drive; The balanced VAS; The VAS and manipulating open-loop bandwidth; Manipulating open-loop bandwidth; 5 The output stage I; Classes and devices; The distortions of the output; The emitter-follower output; The CFP output; Quasi-complementary outputs; Triple-based output configurations; Triple EF output stages; Distortion and its mechanisms
,
Large-signal distortion (Distortion 3a)Crossover distortion (Distortion 3b); Switching distortion (Distortion 3c); Thermal distortion; Thermal distortion in a power amp IC; Selecting an output stage; Closing the loop: distortion in complete amplifiers; 6 The output stage II; Distortion number 4: VAS loading distortion; Distortion number 5: rail decoupling distortion; Distortion number 6: induction distortion; Distortion number 7: NFB takeoff point distortion; Distortion number 8: capacitor distortion; Design example: a 50 W Class-B amplifier; 7 Compensation, slew-rate, and stability
,
Frequency compensation in generalDominant-pole compensation; Lag compensation; Including the output stage: inclusive Miller compensation; Nested feedback loops; Two-pole compensation; Output networks; Crosstalk in amplifier output inductors; Reactive loads and speaker simulation; Loudspeaker loads and output stages; Enhanced loudspeaker currents; Amplifier instability; Speed and slew-rate in audio amplifiers; 8 Power supplies and PSRR; Power supply technologies; Design considerations for power supplies; 9 Class-A power amplifiers; An introduction to class-A
,
Class-A configurations and efficiency
,
English
Additional Edition:
ISBN 0-7506-5636-0
Language:
English
Bookmarklink
