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This volume builds on the author's previous work, "RF Power
Amplifiers for Wireless Communications", offering experienced
engineers a more in-depth understanding of the theory and design of
RF power amplifiers. A useful reference tool for RF-, digital- and
system-level designers, the book includes discussions on the most
critical topics for professionals in the field, including envelope
power management schemes and linearization. This book should be of
interest to RF- and microwave-design engineers in wireless
communications, as well as digital- and system-level engineers in
satellite communications.
This guide to the theory and practice of RF power amplifier (PA)
design for modern communications systems aims to help readers
tackle PA design with confidence and save time in determining the
cause of malfunctioning hardware. The book explores a unified
approach to the classification of higher amplifier modes based on
overdrive considerations. The text contains a complete survey of RF
PA efficiency enhancement and linearization techniques and aims to
help the reader design suitable matching networks which provide
correct fundamental harmonic terminations for conventional high
efficiency PA modes. It also provides an understanding of the class
D, E and F modes and their feasibility at microwave frequencies and
uses envelope simulation techniques to analyze the effects of
distortion in overdriven PAS. Finally, the text discusses the
maintenance of high efficiency operation at low points in an
amplitude modulated signal envelope including detailed coverage of
the Doherty, Chireix and Kahn techniques, it explores the
possibilities and limitations of linearization methods and analyzes
PA stability and oscillation problems.
Reviewing the previous edition, "IEEE Microwave Magazine" boasted,
"anyone designing power amplifiers will find this book thought
provoking and useful." Professionals in the field agreed as the
book went on to be one of our top-selling RF design titles. This
extensively revised edition of "RF Power Amplifiers for Wireless
Communications" offers practitioners a comprehensive, practical,
and up-to-date understanding of how to tackle a PA (power
amplifier) design with confidence and quickly determine the cause
of malfunctioning hardware. Among the numerous updates, the Second
Edition includes five new chapters on some of today's most
important topics, such as class AB PAs at GHz frequencies;
switching PA modes at GHz frequencies; signals, modulation systems,
and PA nonlinearities; power amplifier bias circuit design; and
load-pull techniques. Supported with nearly 200 illustrations, the
book contains the most complete survey of RF PA efficiency
enhancement and linearization techniques in a single volume.
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