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Radio-Frequency Digital-to-Analog Converters

  • ID: 3798952
  • Book
  • 302 Pages
  • Elsevier Science and Technology
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With the proliferation of wireless networks, there is a need for more compact, low-cost, power efficient transmitters that are capable of supporting the various communication standards, including Bluetooth, WLAN, GSM/EDGE, WCDMA and 4G of 3GPP cellular. This book describes a novel idea of RF digital-to-analog converters (RFDAC) and demonstrates how they can realize all-digital, fully-integrated RF transmitters that support all the current multi-mode and multi-band communication standards.

With this book the reader will:

  • Understand the challenges of realizing a universal CMOS RF transmitter
  • Recognize the design issues and the advantages and disadvantages related to analog and digital transmitter architectures
  • Master designing an RF transmitter from system level modeling techniques down to circuit designs and their related layout know-hows
  • Grasp digital polar and I/Q calibration techniques as well as the digital predistortion approaches
  • Learn how to generate appropriate digital I/Q baseband signals in order to apply them to the test chip and measure the RF-DAC performance.
  • Highlights the benefits and implementation challenges of software-defined transmitters using CMOS technology
  • Includes various types of analog and digital RF transmitter architectures for wireless applications
  • Presents an all-digital polar RFDAC transmitter architecture and describes in detail its implementation
  • Presents a new all-digital I/Q RFDAC transmitter architecture and its implementation
  • Provides comprehensive design techniques from system level to circuit level
  • Introduces several digital predistortion techniques which can be used in RF transmitters
  • Describes the entire flow of system modeling, circuit simulation, layout techniques and the measurement process

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1. Introduction 2. Digital Polar Transmitter Architecture 3. Digital Baseband of  The Polar Transmitter 4. RF Front-End (RFDAC) of the Polar Transmitter 5. Situation Measurement Results of the Polar Transmitter 6. Idea of All-Digital I/Q Modulator 7. Orthogonal Summation: A 2x3-Bit All-Digital I/Q RF-DAC 8. Towards High-Resolution RF-DAC: The System Design Perspective 9. Differential I/Q DPA and Power Combining Network 10. A Wideband 2x13-Bit All-Digital I/Q RFDAC 11. Measurement Results of the 2x13-Bit I/Q RFDAC 12. Conclusions

Appendix A. Polar Transmitter Appendix B. I/Q RFDAC

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Alavi, Morteza S
Morteza Alavi received his MSc degree in Electrical Engineering from the University of Tehran, Iran, in 2006. His research is focused on designing power-efficient wide-bandwidth digital RF I/Q transmitters. Morteza received the "Best Student Paper Award- 2nd Place" at 2013 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium” in Seattle, USA.
Mehta, Jaimin
Jaimin Mehta received his PhD degree from The University of Texas at Dallas. His research focused on digitally-intensive polar transmitters. He is currently working as a staff design engineer at Cirrus Logic in Austin, Texas.
Staszewski, Robert Bogdan
Before becoming a university professor in 2009, Robert Bogdan Staszewski was a design engineer / industrial researcher for over 18 years, working in microelectronics and communication systems. He concentrated on large system-on-chip (SoC) designs for wireless applications and before that was involved in analog, RF, mixed-signal and digital designs. His approach is always to discover novel solutions that offer clear advantages over existing designs. His commitment to innovation and quality has resulted in him developing tens of full-custom mixed-signal complex IC chips. He is an IEEE Fellow for his contributions to the digital RF communications systems.
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