1.

Record Nr.

UNINA9910465168103321

Autore

Wang Zhancang

Titolo

Envelope Tracking Power Amplifiers for Wireless Communications

Pubbl/distr/stampa

Norwood : , : Artech House, , 2014

[Piscataqay, New Jersey] : , : IEEE Xplore, , [2014]

ISBN

1-60807-785-3

Descrizione fisica

1 online resource (363 p.)

Collana

The Artech House microwave library

Disciplina

621.38413

Soggetti

Power amplifiers

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Envelope Tracking Power Amplifiers for Wireless Communications; Contents; Preface; Acknowledgments; CHAPTER 1 High-Efficiency -- Power -- Amplifier -- Architectures and Devices; 1.1 Efficiency Definitions for RF PA; 1.2 Characteristics of Modern Modulated Signals; 1.2.1 Crest Factor; 1.2.2 Probability Density Function; 1.2.3 Second Generation Signal ; 1.2.4 Third Generation Signal ; 1.2.5 Fourth Generation Signal ; 1.3 Architectures for High-Efficiency PA; 1.3.1 Switch Mode PA; 1.3.2 Waveform-Engineered PA; 1.3.3 Doherty; 1.3.4 LINC and Outphasing; 1.3.5 Envelope Elimination and Restoration.

1.3.6 Envelope Tracking1.4 Device Technologies for High-Efficiency PA; 1.4.1 GaAs HBT; 1.4.2 CMOS ; 1.4.3 Si-LDMOS; 1.4.4 GaN HEMT; References; CHAPTER 2 Envelope -- Tracking -- Power -- Amplifier -- Basics; 2.1 Introduction; 2.1.1 Motivation for ET; 2.1.2 ET Pyramid; 2.2 Principle of ET; 2.2.1 Signal Definition; 2.2.2 ET Efficiency; 2.2.3 Design Cons.

Sommario/riassunto

Envelope tracking technology is seen as the most promising efficiency enhancement technology for RF power amplifiers for 4G and beyond wireless communications. More and more organizations are investing and researching on this topic with huge potential in academic and commercial areas. This is the first book on the market to offer complete introduction, theory, and design considerations on envelope tracking for wireless communications. This resource presents you with



a full introduction to the subject and covers underlying theory and practical design considerations.