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Full Description
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 circuitdesigns 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.
Contents
1. Introduction2. Digital Polar Transmitter Architecture3. Digital Baseband of The Polar Transmitter4. RF Front-End (RFDAC) of the Polar Transmitter5. Situation Measurement Results of the Polar Transmitter6. Idea of All-Digital I/Q Modulator7. Orthogonal Summation: A 2x3-Bit All-Digital I/Q RF-DAC8. Towards High-Resolution RF-DAC: The System Design Perspective9. Differential I/Q DPA and Power Combining Network10. A Wideband 2x13-Bit All-Digital I/Q RFDAC11. Measurement Results of the 2x13-Bit I/Q RFDAC12. Conclusions
Appendix A. Polar TransmitterAppendix B. I/Q RFDAC
