LEADER 03216nam 2200577 450 001 9910465168103321 005 20200520144314.0 010 $a1-60807-785-3 035 $a(CKB)2560000000254546 035 $a(EBL)1711437 035 $a(SSID)ssj0001437306 035 $a(PQKBManifestationID)12548210 035 $a(PQKBTitleCode)TC0001437306 035 $a(PQKBWorkID)11445417 035 $a(PQKB)11422297 035 $a(MiAaPQ)EBC1711437 035 $a(Au-PeEL)EBL1711437 035 $a(OCoLC)905527321 035 $a(CaBNVSL)mat09100554 035 $a(IEEE)9100554 035 $a(EXLCZ)992560000000254546 100 $a20200730d2014 uy 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aEnvelope Tracking Power Amplifiers for Wireless Communications 210 1$aNorwood :$cArtech House,$d2014. 210 2$a[Piscataqay, New Jersey] :$cIEEE Xplore,$d[2014] 215 $a1 online resource (363 p.) 225 1 $aThe Artech House microwave library 300 $aDescription based upon print version of record. 311 $a1-60807-784-5 320 $aIncludes bibliographical references and index. 327 $aEnvelope 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. 327 $a1.3.6 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. 330 $aEnvelope tracking technology is seen as the most promising efficiency enhancement technology for RF power amplifiers for 4G and beyond wireless communications. More and more organizations are investing and researching on this topic with huge potential in academic and commercial areas. This is the first book on the market to offer complete introduction, theory, and design considerations on envelope tracking for wireless communications. This resource presents you with a full introduction to the subject and covers underlying theory and practical design considerations. 410 0$aArtech House microwave library. 606 $aPower amplifiers 608 $aElectronic books. 615 0$aPower amplifiers. 676 $a621.38413 700 $aWang$b Zhancang$0872896 801 0$bCaBNVSL 801 1$bCaBNVSL 801 2$bCaBNVSL 906 $aBOOK 912 $a9910465168103321 996 $aEnvelope Tracking Power Amplifiers for Wireless Communications$92142254 997 $aUNINA LEADER 04001oam 2200829I 450 001 9910783713503321 005 20230422044242.0 010 $a1-134-61813-1 010 $a1-280-32843-6 010 $a9780203170482 010 $a0-203-13481-8 010 $a1-134-61814-X 010 $a0-203-17048-2 024 7 $a10.4324/9780203134818 035 $a(CKB)1000000000250300 035 $a(EBL)164971 035 $a(OCoLC)560010370 035 $a(SSID)ssj0000162621 035 $a(PQKBManifestationID)11182559 035 $a(PQKBTitleCode)TC0000162621 035 $a(PQKBWorkID)10208096 035 $a(PQKB)10142914 035 $a(SSID)ssj0000297510 035 $a(PQKBManifestationID)12098216 035 $a(PQKBTitleCode)TC0000297510 035 $a(PQKBWorkID)10335373 035 $a(PQKB)10448873 035 $a(SSID)ssj0000162620 035 $a(PQKBManifestationID)11170052 035 $a(PQKBTitleCode)TC0000162620 035 $a(PQKBWorkID)10208775 035 $a(PQKB)11479830 035 $a(MiAaPQ)EBC164971 035 $a(Au-PeEL)EBL164971 035 $a(CaPaEBR)ebr10054699 035 $a(CaONFJC)MIL32843 035 $a(OCoLC)48139271 035 $a(EXLCZ)991000000000250300 100 $a20180331d2000 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aGetting it right for boys-- and girls /$folin Noble and Wendy Bradford with a foreword by Ted Wragg 210 1$aLondon ;$aNew York :$cRoutledge,$d2000. 215 $a1 online resource (279 p.) 300 $aDescription based upon print version of record. 311 $a0-415-20885-8 311 $a0-415-20884-X 320 $aIncludes bibliographical references (p. [240]-251) and index. 327 $aBook Cover; Title; Contents; List of illustrations; Foreword; Preface; Acknowledgements; Introduction; We are facing a crisis; How and why boys under-achieve; The importance of teaching and learning styles; How to organise a strategy to raise boys' achievement; One school's story; Making decisions about setting; Other whole school strategies designed to raise boys' achievement; Getting it right for boys and girls in the classroom; Raising achievement in English; Raising achievement in mathematics and science; Raising achievement in design and technology 327 $aRaising achievement in modern foreign languagesRaising achievement in the humanities; Raising achievement in the arts; Getting it right in the secondary school library; Raising boys' achievement across the pyramid; Exercises for continuous professional development; Epilogue; Literacy; Celebrating achievement; Target-setting; References and further reading; Index 330 $aBoys' underachievement is grabbing headlines in the education debate, and it has never been more important to solve the problem. This book offers clear and practical strategies to headteachers, classroom teachers and other professionals for ways to address the issue. The book looks at:*reasons for boys' underachievement*ways of adapting teaching styles to maximise learning gains for boys ... and girls*guidance on how to plan successful pyramid, whole-school and classroom approaches*practical strategies for subject leaders and teachers*examples of successful case st 606 $aBoys$xEducation$zGreat Britain 606 $aUnderachievers$zGreat Britain 606 $aAcademic achievement$zGreat Britain 606 $aSex differences in education$zGreat Britain 615 0$aBoys$xEducation 615 0$aUnderachievers 615 0$aAcademic achievement 615 0$aSex differences in education 676 $a371.823/41 700 $aNoble$b Colin$f1953,$01526126 701 $aBradford$b Wendy$f1957-$01526127 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910783713503321 996 $aGetting it right for boys-- and girls$93767983 997 $aUNINA