03216nam 2200577 450 991046516810332120200520144314.01-60807-785-3(CKB)2560000000254546(EBL)1711437(SSID)ssj0001437306(PQKBManifestationID)12548210(PQKBTitleCode)TC0001437306(PQKBWorkID)11445417(PQKB)11422297(MiAaPQ)EBC1711437(Au-PeEL)EBL1711437(OCoLC)905527321(CaBNVSL)mat09100554(IEEE)9100554(EXLCZ)99256000000025454620200730d2014 uy engur|n|---|||||txtccrEnvelope Tracking Power Amplifiers for Wireless CommunicationsNorwood :Artech House,2014.[Piscataqay, New Jersey] :IEEE Xplore,[2014]1 online resource (363 p.)The Artech House microwave libraryDescription based upon print version of record.1-60807-784-5 Includes bibliographical references and index.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.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.Artech House microwave library.Power amplifiersElectronic books.Power amplifiers.621.38413Wang Zhancang872896CaBNVSLCaBNVSLCaBNVSLBOOK9910465168103321Envelope Tracking Power Amplifiers for Wireless Communications2142254UNINA01845oam 2200433 450 991014028150332120230621141033.0(CKB)2670000000528789(EXLCZ)99267000000052878920140316h20142014 fu 0engurmn#---|||||txtrdacontentcrdamediacrrdacarrierCreativity and science in contemporary Argentine literature[electronic resource] between Romanticism and formalism /Joanna PageCalgary, Alberta :University of Calgary Press,2014.©20141 online resource (xii, 280 pages) digital, PDF file(s)Latin American and Caribbean series ;10Print version: 9781552387320 Includes bibliographical references and index.Introduction: Countering postmodern apocalypticism --1. The science of literary evolution: between Romanticism and formalism --2. Allegories of reading in an age of immanence and uncertainty --3. Mathematics and creativity --4. Machines, metaphors, and multiplicity: creativity beyond the individual --Conclusion: literature and science, neither one culture nor two.Latin American and Caribbean series ;10.Mathematics in literatureScience in literatureTechnology in literatureArgentinaRomanticismArgentinaFormalismMathematics in literature.Science in literature.Technology in literature.860.936Page JoannaUkMaJRUBOOK9910140281503321Creativity and science in contemporary Argentine literature2186220UNINA