DocumentCode
2582958
Title
Spur reduction techniques in sine output direct digital synthesis
Author
Vankka, Jouko
Author_Institution
Lab. of Signal Process. & Comput. Technol., Helsinki Univ. of Technol., Espoo, Finland
fYear
1996
fDate
5-7 Jun 1996
Firstpage
951
Lastpage
959
Abstract
This paper reviews the spur reduction techniques used in the sine output direct digital synthesizers (DDSs). In each method the spur reduction properties and trade-offs are investigated. The analysis is restricted only to phase and amplitude quantization errors. Three novel spur reduction methods in the DDS will be presented: modified Nicholas phase accumulator, a high-pass filtered amplitude dither and a tunable amplitude error feedback structure
Keywords
circuit feedback; circuit noise; circuit tuning; direct digital synthesis; errors; high-pass filters; amplitude quantization errors; direct digital synthesis; high-pass filtered amplitude dither; modified Nicholas phase accumulator; phase quantization errors; sine output DDS; spur reduction techniques; tunable amplitude error feedback structure; Band pass filters; Clocks; Digital-analog conversion; Feedback; Frequency synthesizers; Low pass filters; Quantization; Read only memory; Signal resolution; Signal synthesis;
fLanguage
English
Publisher
ieee
Conference_Titel
Frequency Control Symposium, 1996. 50th., Proceedings of the 1996 IEEE International.
Conference_Location
Honolulu, HI
Print_ISBN
0-7803-3309-8
Type
conf
DOI
10.1109/FREQ.1996.560280
Filename
560280
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