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  • © 2001

Direct Digital Synthesizers

Theory, Design and Applications

Part of the book series: The Springer International Series in Engineering and Computer Science (SECS, volume 614)

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Table of contents (14 chapters)

  1. Front Matter

    Pages i-xxi
  2. Introduction

    • Jouko Vankka, Kari Halonen
    Pages 1-7
  3. Direct Digital Synthesizer

    • Jouko Vankka, Kari Halonen
    Pages 8-17
  4. Indirect Digital Synthesizer

    • Jouko Vankka, Kari Halonen
    Pages 18-22
  5. CORDIC Algorithm

    • Jouko Vankka, Kari Halonen
    Pages 23-32
  6. Sources of Noise and Spurs in DDS

    • Jouko Vankka, Kari Halonen
    Pages 33-47
  7. Blocks of Direct Digital Synthesizer

    • Jouko Vankka, Kari Halonen
    Pages 48-62
  8. Up-Conversion

    • Jouko Vankka, Kari Halonen
    Pages 79-86
  9. Direct Digital Synthesizer with an On-Chip D/A-Converter

    • Jouko Vankka, Kari Halonen
    Pages 87-100
  10. CMOS Quadrature IF Frequency Synthesizer/Modulator

    • Jouko Vankka, Kari Halonen
    Pages 101-114
  11. Multi-Carrier QAM Modulator

    • Jouko Vankka, Kari Halonen
    Pages 115-134
  12. Single Carrier QAM Modulator

    • Jouko Vankka, Kari Halonen
    Pages 135-141
  13. Multi-Carrier GMSK Modulator

    • Jouko Vankka, Kari Halonen
    Pages 142-166
  14. Conclusions

    • Jouko Vankka, Kari Halonen
    Pages 167-168
  15. Back Matter

    Pages 169-193

About this book

A major advantage of a direct digital synthesizer (DDS) is that its output frequency, phase and amplitude can be precisely and rapidly manipulated under digital processor control. Other inherent DDS attributes include the ability to tune with extremely fine frequency and phase resolution, and to rapidly `hop' between frequencies. These combined characteristics have made the technology popular in military radar and communications systems. In fact, DDS technology was previously applied almost exclusively to high-end and military applications: it was costly, power-hungry, difficult to implement, and required a discrete high speed D/A converter. Due to improved integrated circuit (IC) technologies, they now present a viable alternative to analog-based phase-locked loop (PLL) technology for generating agile analog output frequency in consumer synthesizer applications.
It is easy to include different modulation capabilities in the DDS by using digital signal processing (DSP) methods, because the signal is in digital form. By programming the DDS, adaptive channel bandwidths, modulation formats, frequency hopping and data rates are easily achieved. The flexibility of the DDS makes it ideal for signal generator for software radio. The digital circuits used to implement signal-processing functions do not suffer the effects of thermal drift, aging and component variations associated with their analog counterparts. The implementation of digital functional blocks makes it possible to achieve a high degree of system integration. Recent advances in IC fabrication technology, particularly CMOS, coupled with advanced DSP algorithms and architectures are providing possible single-chip DDS solutions to complex communication and signal processing subsystems as modulators, demodulators, local oscillators, programmable clock generators, and chirp generators. The DDS addresses a variety of applications, including cable modems, measurement equipments, arbitrary waveform generators, cellular base stations and wireless local loop base stations.
Direct Digital Synthesizers was written to find possible applications for radio communication systems. It will have appeal for wireless and wireline communication engineers, teachers and students.

Authors and Affiliations

  • Helsinki University of Technology, Finland

    Jouko Vankka, Kari Halonen

Bibliographic Information

Buy it now

Buying options

eBook USD 129.00
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book USD 169.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book USD 169.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Other ways to access