book

Radio-Frequency Digital-to-Analog Converters

by Morteza S Alavi, Jaimin Mehta, Robert Bogdan Staszewski

November 2016

Intermediate to advanced

302 pages

9h 45m

English

Academic Press

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Abstract1.1 The Conventional RF Radio1.2 Motivation1.3 The Book Objectives1.4 Analog Versus Digital RF Transmitters1.5 Analog-Intensive RF Transmitters1.6 Digitally Intensive RF Transmitters1.7 New Paradigm of RF Design in Nanometer-Scale CMOS1.8 All-Digital Polar Transmitter1.9 All-Digital I/Q Transmitter1.10 Conclusion1.11 Book Outline
Abstract2.1 Introduction to Narrowband Polar Transmitters2.2 Overview of the RFDAC-Based Polar Transmitter Architecture2.3 Details of Phase Modulation2.4 Design Challenges for the Small-Signal Polar Transmitter
Abstract3.1 Overview of the TX Digital Baseband3.2 Predistortion Module3.3 Predistortion Self-Calibration3.4 Interpolative Filter3.5 Polar Bandwidth Expansion

Abstract4.1 Overview of the RF Front-End4.2 ΣΔ Amplitude Modulation4.3 Digital Pre-PA4.4 DPA Transistor Mismatches4.5 Key Categories of Mismatches and DEM4.6 Clock Delay Alignment4.7 Analysis of Parasitic Coupling
Abstract5.1 Simulation Results5.2 Measurement Results5.3 Conclusion
Abstract6.1 Concept of Digital I/Q Transmitter6.2 Orthogonal Summing Operation of RFDAC6.3 Conclusion
Abstract7.1 Circuit Building Blocks of Digital I/Q Modulator7.2 Measurement Results7.3 Conclusion
Abstract8.1 System Design Considerations8.2 Conclusion
Abstract9.1 Idealized Power Combiner With Different DRACs9.2 A Differential I/Q Class-E-Based Power Combiner9.3 Efficiency of I/Q RFDAC9.4 Effect of Rise/Fall Time and Duty Cycle9.5 Efficiency and Noise at Back-Off Levels9.6 Design an Efficient Balun for Power Combiner9.7 Conclusion
Abstract10.1 Clock Input Transformer10.2 High-Speed Rail-to-Rail Differential Dividers10.3 Complementary Quadrature Sign Bit10.4 Differential Quadrature 25% Duty Cycle Generator10.5 Floorplanning of 2 × 13-Bit DRAC10.6 Thermometer Encoders of 3-to-7 and 4-to-1510.7 DRAC Unit Cell: MSB and LSB10.8 MSB/LSB Selection Choices10.9 Digital I/Q Calibration and DPD Techniques10.10 Conclusion
Abstract11.1 Measurement Setup11.2 Static Measurement Results11.3 Dynamic Measurement Results11.4 Conclusion
Abstract12.1 The Outcome12.2 Some Suggestions for Future Developments12.3 Future Trends
A.1 EDGE ModulationA.2 RF System Specifications for the EDGE TransmitterA.3 Details of the Simulation Model
B.1 Universal Asynchronous Receiver/TransmitterB.2 Matching Network EquationsB.3 AM-AM/AM-PM RelationshipB.4 DPD Bandwidth Expansion

Content preview from Radio-Frequency Digital-to-Analog Converters

Appendix A

Appendix for the polar transmitter☆

A.1 EDGE Modulation

EDGE is part of 3GPP standardization and hence can be classified as part of the 3G wireless radio technology but it is commonly referred to as 2.5G or 2.75G transitional cellular technology. EDGE provides three times the data rate compared to GSM—a maximum of 384 kbits/s data throughput under optimum conditions, while maintaining backward compatibility with GSM by using the same Time Division Multiple ...

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ISBN: 9780128025031