Radio frequency (RF) power amplifiers are used in everyday life for many applications including cellular phones, magnetic resonance imaging, semiconductor wafer processing for chip manufacturing, etc. Therefore, the design and performance of RF amplifiers carry great importance for the proper functionality of these devices. Furthermore, several industrial and military applications require low-profile yet high-powered and efficient power amplifiers.
This is a challenging task when several components are needed to be considered in the design of RF power amplifiers to meet the required criteria. As a result, designers are in need of a resource to provide all the essential design components for better-performing, low-profile, high-power, and efficient RF power amplifiers.
This book is intended to be the main resource for engineers and students and fill the existing gap in the area of RF power amplifier design by giving a complete guidance with demonstration of the details for the design stages including analytical formulation and simulation. Therefore, in addition to the fact that it can be used as a unique resource for engineers and researchers, this book can also be used as a textbook for RF/microwave engineering students in their senior year at college.
Chapter end problems are given to make this option feasible for instructors and students. Successful realization of RF power amplifiers depends on the transition between each design stage. This book provides practical hints to accomplish the transition between the design stages with illustrations and examples. An analytical formulation to design the amplifier and computer-aided design (CAD) tools to verify the design, have been detailed with a step-by-step design process that makes this book easy to follow.
The extensive coverage of the book includes not only an introduction to the design of several amplifier topologies; it also includes the design and simulation of amplifier’s surrounding sections and assemblies. This book also focuses on the higher-level design sections and assemblies for RF amplifiers, which make the book unique and essential for the designer to accomplish the amplifier design as per the given specifications. The scope of each chapter in this book can be summarized as follows.
Chapter 1 provides an introduction to RF power amplifier basics and topologies. It also gives a brief overview of intermodulation and elaborates discussion on the difference between linear and nonlinear amplifiers. Chapter 2 gives details on the high-frequency model and transient characteristics of metal–oxide–semiconductor field-effect transistors. In Chapter 3, active device modeling techniques for transistors are detailed. Parasitic extraction methods for active devices are given with application examples.
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