Direct Digital Synthesizers

A major advantage of a direct digital synthesizer is that its output frequency, phase and amplitude can be precisely and rapidly manipulated under digital processor control. This book was written to find possible applications for radio communication systems.

Inhalt

Preface. Abstract. List of Abbreviations. List of Symbols. 1. Introduction. 2. Direct Digital Synthesizer. 3. Indirect Digital Synthesizer. 4. Cordic Algorithm. 5. Sources of Noise and Spurs in DDS. 6. Blocks of Direct Digital Synthesizer. 7. Spur Reduction Techniques in Sine Output Direct Digital Synthesizer. 8. Up-Conversion. 9. Direct Digital Synthesizer with an On-Chip D/A-Converter. 10. CMOS Quadrature if Frequency Synthesizer/Modulator. 11. Multi-Carrier QAM Modulator. 12. Single Carrier QAM Modulator. 13. Multi-Carrier GMSK Modulator. 14. Conclusions. References. Appendices.