Linear CMOS RF Power Amplifiers for Wireless Applications
Efficiency Enhancement and Frequency-Tunable Capability
Paperback Engels 2012 2010e druk 9789400732582Samenvatting
Advances in electronics have pushed mankind to create devices, ranging from - credible gadgets to medical equipment to spacecraft instruments. More than that, modern society is getting used to—if not dependent on—the comfort, solutions, and astonishing amount of information brought by these devices. One ?eld that has continuously bene?tted from those advances is the radio frequency integrated c- cuit (RFIC) design, which in its turn has promoted countless bene?ts to the mankind as a payback. Wireless communications is one prominent example of what the - vances in electronics have enabled and their consequences to our daily life. How could anyone back in the eighties think of the possibilities opened by the wireless local area networks (WLANs) that can be found today in a host of places, such as public libraries, coffee shops, trains, to name just a few? How can a youngster, who lives this true WLAN experience nowadays, imagine a world without it? This book dealswith the design oflinearCMOS RF PowerAmpli?ers(PAs). The RF PA is a very important part of the RF transceiver, the device that enables wireless communications. Two important aspects that are key to keep the advances in RF PA design at an accelerate pace are treated: ef?ciency enhancement and frequen- tunable capability. For this purpose, the design of two different integrated circuits realizedina0. 11µmtechnologyispresented,eachoneaddressingadifferentaspect. With respect to ef?ciency enhancement, the design of a dynamic supply RF power ampli?er is treated, making up the material of Chaps. 2 to 4.
Specificaties
Lezersrecensies
Inhoudsopgave
1 Introduction.- 1.1 Context.- 1.2 Objectives.- 1.3 Book Outline.- References.-
2 Ef?ciency Enhancement.- 2.1 Introduction.- 2.2 Basic Principles.- 2.3 Overview of the Main Ef?ciency-Enhancement Techniques.- 2.4 Conclusion.- References.-
3 Design of the Dynamic Supply CMOS RF Power Ampli?er.- 3.1 Introduction.- 3.2 High-Ef?ciency, Fast Modulator.- 3.3 RF Power Ampli?er.- 3.4 Dynamic Supply RF Power Ampli?er.- 3.5 Conclusion.- References.-
4 Measurement Results for the Dynamic Supply CMOS RF Power Ampli?er.- 4.1 Introduction.- 4.2 Main Evaluation Board.- 4.3 Modulator Characterization.- 4.4 RF Power Ampli?er Characterization.- 4.5 Dynamic Supply RFPA Characterization.- 4.6 Conclusion.- References.-
5 Frequency-Tunable Capability.- 5.1Introduction.- 5.2 De?nitions.- 5.3 Overview of the Existing Frequency-Tunable Techniques.- 5.4 Conclusion.- References.-
6 Design of the Frequency-Tunable CMOS RF Power Ampli?er.- 6.1 Introduction.- 6.2 Output Impedance Matching.- 6.3 Input Impedance Matching.- 6.4 Frequency-Tunable RF Power Ampli?er.- 6.5 Conclusion.- References.-
7 Measurement Results for the Frequency-Tunable CMOS RF Power Ampli?er.- 7.1 Introduction.- 7.2 Stand-Alone RF Power Ampli?er Characterization.- 7.3 Coupled Inductors Characterization.- 7.4 Frequency-Tunable RF PA Measurement.- 7.5 Hybrid Implementation.- 7.6 Analysis and Discussion of the Results.- 7.7 Conclusion.- References.-
8 Conclusion.- 8.1 Highlights.- 8.2 Main Contributions.- 8.3 Future Work.- References.-
9 Appendix A: Measurement Setups and Additional Screenshots.- 9.1 Setups Used for the S-Parameter Measurements.- 9.2 SetupUsedforthe2-ToneMeasurements.- 9.3 Setup Used for the OFDM Measurements.- 9.4 Additional Screenshots.- References.
10 Appendix B: Procedure for Impedance Matching ofPrinted-Circuit RF Ampli?ers.- 10.1 Introduction.- 10.2 Procedure for Impedance Matching.- 10.3 Application Example.- 10.4 Analysis of the Results.- References.
Index.
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