04187nam 2200517 450 991046721040332120200729111955.01-63081-467-9(CKB)4100000001383810(MiAaPQ)EBC5430715(CaBNVSL)mat09100228(IEEE)9100228(EXLCZ)99410000000138381020200729d2017 uy engurcnu||||||||txtrdacontentcrdamediacrrdacarrierHigh-efficiency load modulation power amplifiers for wireless communications /Zhancang WangBoston ;London :Artech House,[2017][Piscataqay, New Jersey] :IEEE Xplore,[2017]1 online resource (xv, 371 pages) illustrationsArtech House microwave library1-60807-987-2 Includes bibliographical references and index.Intro; High-Efficiency Load Modulation Power Amplifiers for Wireless Communications; Contents; Preface; Acknowledgments; Chapter 1 Call for Efficient Power Amplification; 1.1 Figures of Merit of a Modern Radio Power Amplifier; 1.1.1 Output Power; 1.1.2 Power Gain; 1.1.3 Power Added Efficiency; 1.1.4 Bandwidth; 1.1.5 Linearity; 1.2 Evolution of Communication Signals; 1.2.1 History and Trends of Communication Signals; 1.2.2 Effect of Signal Evolution on PAPR; 1.2.3 Effect of High PAPR on Figures of Merit for PAs; 1.3 Efficient Amplification with Modulation; 1.3.1 Bias Modulation Amplifiers1.3.2 Load Modulation AmplifiersReferences; Select Bibliography; Chapter 2 Passive Load Impedance Tuner Design; 2.1 Specification of Passive Load Impedance Tuners; 2.2 Selection of Tuning Elements for Passive Impedance Tuners; 2.3 Microwave Varactors; 2.3.1 Varactors for Dynamic Load Modulation; 2.3.2 MEMS Varactors; 2.3.3 BST Varactors; 2.3.4 Silicon Varactor Diodes; 2.3.5 GaAs Varactor Diodes; 2.3.6 SiC Varactor Diodes; 2.3.7 GaN Varactor Diodes; 2.4 High-Performance Varactor Stacks; 2.4.1 Distortion-Free Varactor Stack; 2.4.2 Wide Tone Spacing Varactor Stack3.4 PA Design for Dynamic Load3.4.1 Dynamic Load Class-AB Amplifier; 3.4.2 Dynamic Load Saturated Class-B Amplifier; 3.4.3 Dynamic Load Class-C Amplifier; 3.4.4 Dynamic Load Class-D Amplifier; 3.4.5 Dynamic Load Class-E Amplifier; 3.4.6 Dynamic Class-F Amplifier; 3.5 Digital Signal Processing for Dynamic Load; 3.5.1 Timing Alignment for Dynamic Load; 3.5.2 Bandwidth Reduction of Dynamic Load Control Signal; 3.5.3 Slew-Rate Reduction of Dynamic Load Control Signal; 3.5.4 Linearization of Dynamic Load Amplifier; 3.6 Measurement Methods for Dynamic Load Amplifiers3.6.1 Test Bed Sync for the Dynamic Load System3.6.2 Continuous-Wave Versus Complex Stimulus; 3.6.3 Complex Stimulus Measurements Setup; 3.6.4 Complex Characterization Techniques; References; Selected Bibliography; Chapter 4 Active Load Modulation Power Amplifiers; 4.1 Balanced Versus Doherty; 4.2 Active Load Pulling Effect; 4.3 Active Load Amplifiers; 4.4 Doherty Amplifier; 4.4.1 Impedance Inverter; 4.4.2 Amplifier Cells; 4.4.3 Offset Lines; 4.4.4 Input Power Splitter; 4.4.5 Output Doherty Combining; 4.5 Classical Doherty Limitations and Solutions; 4.5.1 Low Breakpoint EfficiencyIncludes practical and cutting-edge insight, this book presents a complete and systematic overview of the practical design considerations of radio frequency (RF) high efficiency load modulation power amplifiers (PA) for modern wireless communications for 4G and beyond. --Edited summary from book.Artech House microwave library.Power amplifiersPower amplifiersfast(OCoLC)fst01074236Electronic books.Power amplifiers.Power amplifiers.621.3841/2Wang Zhancang872896CaBNVSLCaBNVSLCaBNVSLBOOK9910467210403321High-efficiency load modulation power amplifiers for wireless communications1948659UNINA03187nam 2200613Ia 450 991014321590332120180327120308.01-280-26937-597866102693720-470-09272-60-470-01331-1(CKB)111087027100656(EBL)176382(OCoLC)808014322(SSID)ssj0000181621(PQKBManifestationID)11178552(PQKBTitleCode)TC0000181621(PQKBWorkID)10159384(PQKB)10991664(MiAaPQ)EBC176382(EXLCZ)9911108702710065619851126d2004 uy 0engur|n|---|||||txtccrInternational review of industrial and organizational psychologyVolume 19[electronic resource] /edited by Carl L. Cooper and Ivan T. RobertsonChichester ;New York Wiley20041 online resource (329 p.)International Review of Industrial and Organizational Psychology ;v.19Description based upon print version of record.0-470-85499-5 Includes bibliographical references and index.International Review of Industrial and Organizational Psychology 2004 Volume 19; CONTENTS; About the Editors; List of Contributors; Editorial Foreword; 1. Empowerment and Performance; 2. 25 Years of Team Effectiveness in Organizations: Research Themes and Emerging Needs; 3. Creating Healthy Workplaces: The Supervisor's Role; 4. Work Experience: A Review and Research Agenda; 5. Workplace Experiences of Lesbian and Gay Employees: A Review of Current Research; 6. My Job is My Castle: Identification in Organizational Contexts; 7. Virtual Teams: Collaborating across Distance8. Learning at Work: Training and DevelopmentIndex; Contents of Previous VolumesThis is the nineteenth in the most prestigious series of annual volumes in the field of industrial and organizational psychology. The series provides authoritative and integrative reviews of the key literature of industrial psychology and organizational behaviour. The chapters are written by established experts and topics are carefully chosen to reflect the major concerns in the research literature and in current practice.This volume provides both reviews and current updates of research in familiar areas, such as Learning and Development at Work, Creating Healthy Workplaces, EmpowermenInternational Review of Industrial and Organizational PsychologyPsychology, IndustrialPersonnel managementElectronic books.Psychology, Industrial.Personnel management.158.7158.7/05Cooper Carl L.1933-884218Robertson Ivan T.1946-108268MiAaPQMiAaPQMiAaPQBOOK9910143215903321International review of industrial and organizational psychology1974484UNINA