Evaluation of Feedback Amplifier Design Techniques PDF Download
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Author: Edward Walter Pullen
Publisher:
ISBN:
Category : Amplifiers (Electronics)
Languages : en
Pages : 132
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Book Description
An investigation was performed to determine which of two basic feedback-amplifier design procedures, the Bode method or the root-locus technique, would result in the better amplifier in terms of the amplifier's gain, bandwidth and desensitivity. Five amplifiers were considered, two using the Bode procedure and three using the root-locus techniques. Each represented a prominent variation within the Bode or root-locus method. The modifications were performed to give a ''best-versus-best'' comparison of the design methods. To obtain an equitable comparison the same requirements of over-all gain and bandwidth were applied in each design, and the same transistors and transistor model were used for all calculations. In each case the amplifier was designed and constructed, and its performance was evaluated. The results of the experimental work show that the best amplifiers designed using the root-locus technique give a better performance than the best amplifier designed by the Bode method. Qualitatively as well as quantitatively, the root locus produced the better amplifier because of the versatility of the design procedure with respect to the various types of requirements it can accommodate. (Author).
Author: Edward Walter Pullen
Publisher:
ISBN:
Category : Amplifiers (Electronics)
Languages : en
Pages : 132
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Book Description
An investigation was performed to determine which of two basic feedback-amplifier design procedures, the Bode method or the root-locus technique, would result in the better amplifier in terms of the amplifier's gain, bandwidth and desensitivity. Five amplifiers were considered, two using the Bode procedure and three using the root-locus techniques. Each represented a prominent variation within the Bode or root-locus method. The modifications were performed to give a ''best-versus-best'' comparison of the design methods. To obtain an equitable comparison the same requirements of over-all gain and bandwidth were applied in each design, and the same transistors and transistor model were used for all calculations. In each case the amplifier was designed and constructed, and its performance was evaluated. The results of the experimental work show that the best amplifiers designed using the root-locus technique give a better performance than the best amplifier designed by the Bode method. Qualitatively as well as quantitatively, the root locus produced the better amplifier because of the versatility of the design procedure with respect to the various types of requirements it can accommodate. (Author).
Author: Gaetano Palumbo
Publisher: Springer Science & Business Media
ISBN: 0306480425
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
This comprehensive book deals with feedback and feedback amplifiers, presenting original material on the topic of feedback circuits. After describing the fundamental properties of feedback, the book illustrates techniques of analysis for greater insight into feedback amplifiers and design strategies to optimise their performance.
Author: Wai-Kai Chen
Publisher: CRC Press
ISBN: 1420037277
Category : Technology & Engineering
Languages : en
Pages : 432
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Book Description
Culled from the pages of CRC's highly successful, best-selling The Circuits and Filters Handbook, Second Edition, Circuit Analysis and Feedback Amplifier Theory presents a sharply focused, comprehensive review of the fundamental theory behind professional applications of circuits and feedback amplifiers. It supplies a concise, convenient reference to the key concepts, models, and equations necessary to analyze, design, and predict the behavior of large-scale circuits and feedback amplifiers, illustrated by frequent examples. Edited by a distinguished authority, this book emphasizes the theoretical concepts underlying the processes, behavior, and operation of these devices. It includes guidance on the design of multiple-loop feedback amplifiers. More than 350 figures and tables illustrate the concepts, and where necessary, the theories, principles, and mathematics of some subjects are reviewed. Expert contributors discuss analysis in the time and frequency domains, symbolic analysis, state-variable techniques, feedback amplifier configurations, general feedback theory, and network functions and feedback, among many other topics. Circuit Analysis and Feedback Amplifier Theory builds a strong theoretical foundation for the design and analysis of advanced circuits and feedback amplifiers while serving as a handy reference for experienced engineers, making it a must-have for both beginners and seasoned experts.
Author: D. J. H. Maclean
Publisher: Research Studies Press Limited
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 588
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Book Description
&Quot;This book provides a lucid treatment of feedback and stability margins to add to the expertise of rf and microwave engineers and others involved in the design, modelling and realisation of analogue amplifiers and oscillators."--BOOK JACKET.
Author: Giri Venkataramanan
Publisher:
ISBN: 9781709179600
Category :
Languages : en
Pages : 400
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Book Description
Feedback is a ubiquitous feature of all integrated circuit and solid-state amplifiers today. Many analytical methods to model the feedback loop use approximations that are only apparent to experts, limiting their use by students and most engineers. More general and accurate analytical tools based on advanced concepts in circuits and systems theory are often beyond the reach of undergraduate students and practicing engineers, leaving Spice-like computer simulations as the only resort to obtain a snapshot of circuit behaviour. This book provides simple, yet accurate and proven tools for analysing feedback amplifiers based on Middlebrook's Feedback Theorem. The analytical approach helps the reader develop an intuitive and generalized understanding of the circuit structure and leads to useful relationships between design attributes and circuit parameters. Simplified methods to calculate input and output impedances for various feedback arrangements are developed and illustrated using numerous illustrative examples. In particular, the systematic approach for studying the capacitive effects leads to accurate prediction of frequency response in a pole-zero form that permits stability analysis and frequency compensation with ease.
Author: Ron Mancini
Publisher: Newnes
ISBN: 0750677015
Category : Technology & Engineering
Languages : en
Pages : 470
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Book Description
The operational amplifier ("op amp") is the most versatile and widely used type of analog IC, used in audio and voltage amplifiers, signal conditioners, signal converters, oscillators, and analog computing systems. Almost every electronic device uses at least one op amp. This book is Texas Instruments' complete professional-level tutorial and reference to operational amplifier theory and applications. Among the topics covered are basic op amp physics (including reviews of current and voltage division, Thevenin's theorem, and transistor models), idealized op amp operation and configuration, feedback theory and methods, single and dual supply operation, understanding op amp parameters, minimizing noise in op amp circuits, and practical applications such as instrumentation amplifiers, signal conditioning, oscillators, active filters, load and level conversions, and analog computing. There is also extensive coverage of circuit construction techniques, including circuit board design, grounding, input and output isolation, using decoupling capacitors, and frequency characteristics of passive components. The material in this book is applicable to all op amp ICs from all manufacturers, not just TI. Unlike textbook treatments of op amp theory that tend to focus on idealized op amp models and configuration, this title uses idealized models only when necessary to explain op amp theory. The bulk of this book is on real-world op amps and their applications; considerations such as thermal effects, circuit noise, circuit buffering, selection of appropriate op amps for a given application, and unexpected effects in passive components are all discussed in detail. *Published in conjunction with Texas Instruments *A single volume, professional-level guide to op amp theory and applications *Covers circuit board layout techniques for manufacturing op amp circuits.
Author: 賴木聰
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Hendrik W. Bode
Publisher:
ISBN:
Category : Amplifiers, Vacuum-tube
Languages : en
Pages : 576
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Book Description
Author: J.L. Dawson
Publisher: Springer Science & Business Media
ISBN: 1402080611
Category : Technology & Engineering
Languages : en
Pages : 144
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Book Description
Improving the performance of the power amplifier is the most pressing problem facing designers of modern radio-frequency (RF) transceivers. Linearity and power efficiency of the transmit path are of utmost importance, and the power amplifier has proven to be the bottleneck for both. High linearity enables transmission at the highest data rates for a given channel bandwidth, and power efficiency prolongs battery lifetime in portable units and reduces heat dissipation in high-power transmitters. Cartesian feedback is a power amplifier linearization technique that acts to soften the tradeoff between power efficiency and linearity in power amplifiers. Despite its compelling, fundamental advantages, the technique has not enjoyed widespread acceptance because of certain implementation difficulties. Feedback Linearization of RF Power Amplifiers introduces new techniques for overcoming the challenges faced by the designer of a Cartesian feedback system. The theory of the new techniques are described and analyzed in detail. The book culminates with the results of the first known fully integrated Cartesian feedback power amplifier system, whose design was enabled by the techniques described. Feedback Linearization of RF Power Amplifiers is a valuable reference work for engineers in the telecommunications industry, industry researchers, academic researchers.
Author: Bob Cordell
Publisher:
ISBN: 9781138555457
Category : Audio amplifiers
Languages : en
Pages : 772
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Book Description
This comprehensive book on audio power amplifier design will appeal to members of the professional audio engineering community as well as the student and enthusiast. Designing Audio Power Amplifiersbegins with power amplifier design basics that a novice can understand and moves all the way through to in-depth design techniques for very sophisticated audiophiles and professional audio power amplifiers. This book is the single best source of knowledge for anyone who wishes to design audio power amplifiers. It also provides a detailed introduction to nearly all aspects of analog circuit design, making it an effective educational text. Develop and hone your audio amplifier design skills with in-depth coverage of these and other topics: Basic and advanced audio power amplifier design Low-noise amplifier design Static and dynamic crossover distortion demystified Understanding negative feedback and the controversy surrounding it Advanced NFB compensation techniques, including TPC and TMC Sophisticated DC servo design MOSFET power amplifiers and error correction Audio measurements and instrumentation Overlooked sources of distortion SPICE simulation for audio amplifiers, including a tutorial on LTspice SPICE transistor modeling, including the VDMOS model for power MOSFETs Thermal design and the use of ThermalTrak(tm) transistors Four chapters on class D amplifiers, including measurement techniques Professional power amplifiers Switch-mode power supplies (SMPS). design Static and dynamic crossover distortion demystified Understanding negative feedback and the controversy surrounding it Advanced NFB compensation techniques, including TPC and TMC Sophisticated DC servo design MOSFET power amplifiers and error correction Audio measurements and instrumentation Overlooked sources of distortion SPICE simulation for audio amplifiers, including a tutorial on LTspice SPICE transistor modeling, including the VDMOS model for power MOSFETs Thermal design and the use of ThermalTrak(tm) transistors Four chapters on class D amplifiers, including measurement techniques Professional power amplifiers Switch-mode power supplies (SMPS). the use of ThermalTrak(tm) transistors Four chapters on class D amplifiers, including measurement techniques Professional power amplifiers Switch-mode power supplies (SMPS).
