Book description
Doherty Power Amplifiers: From Fundamentals to Advanced Design Methods is a great resource for both RF and microwave engineers and graduate students who want to understand and implement the technology into future base station and mobile handset systems. The book introduces the very basic operational principles of the Doherty Amplifier and its non-ideal behaviors. The different transconductance requirements for carrier and peaking amplifiers, reactive element effect, and knee voltage effect are described. In addition, several methods to correct imperfections are introduced, such as uneven input drive, gate bias adaptation, dual input drive and the offset line technique.
Advanced design methods of Doherty Amplifiers are also explained, including multistage/multiway Doherty power amplifiers which can enhance the efficiency of the amplification of a highly-modulated signal. Other covered topics include signal tracking operation which increases the dynamic range, highly efficient saturated amplifiers, and broadband amplifiers, amongst other comprehensive, related topics.
- Specifically written on the Doherty Power Amplifier by the world’s leading expert, providing an in-depth presentation of principles and design techniques
- Includes detailed analysis on correcting non-ideal behaviors of Doherty Power Amplifiers
- Presents advanced Doherty Power Amplifier architectures
Table of contents
- Cover image
- Title page
- Table of Contents
- Copyright
- Acknowledgments
- Chapter One: Introduction to Doherty Power Amplifier
- Chapter Two: Realization of Proper Load Modulation Using a Real Transistor
-
Chapter Three: Enhancement of Doherty Amplifier
- Abstract
- 3.1 Doherty Amplifier With Asymmetric Vds
- 3.2 Optimized Design of GaN HEMT Doherty Power Amplifier With High Gain and High Efficiency
- 3.3 Optimized Peaking Amplifier Design for Doherty Amplifier
- 3.4 Saturated Doherty Amplifier
- 3.5 Average Power Tracking Operation of Basestation Doherty Amplifier
- Chapter Four: Advanced Architecture of Doherty Amplifier
- Chapter Five: Linear Doherty Power Amplifier for Handset Application
- Index
Product information
- Title: Doherty Power Amplifiers
- Author(s):
- Release date: March 2018
- Publisher(s): Academic Press
- ISBN: 9780128098752
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