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Description of  Technologies for RF Systems

This comprehensive resource provides an introduction to the main concepts, technologies, and components in microwave and RF engineering. This book presents details about how to design various amplifiers, circuits, and chips for communication systems. It offers insight into selecting appropriate ADC and DAC technology. Several worked examples are found throughout the book. This book provides a summary of 21st century RF systems and electronics and discusses the challenges of frequency bands and wavelengths, software-defined radio (SDR) and cognitive radio. RF semiconductors are covered, including bandgap, drift velocity, resistors, diodes, and various transistors. This book offers details about passive RF components, capacitors, inductors, resistors, coaxial, and microstrip lines as well as coplanar waveguide. Passive RF circuit elements are presented and this book covers the fundamentals of directional couplers, including Lange couplers and Wilkinson dividers. Switches, attenuators, and digital circuits are discussed. This book is packed with additional coverage of RF filters, antennas, and small-signal RF amplifiers, and includes chapters on noise and LNAs, RF power amplifiers and RF-oriented ADCs and DACs. Modulation techniques and technologies are also presented.