A Novel Method to Calculate Frequency Control Word of Direct Digital Synthesizer

Jian Guo; Jie Zhu; Jiu Liu; Li Zhou

doi:10.4028/www.scientific.net/AMR.267.433

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 267A Novel Method to Calculate Frequency Control Word...

A Novel Method to Calculate Frequency Control Word of Direct Digital Synthesizer

Abstract:

When designing signal generator with adjustable frequency based on direct digital synthesis technology (DDS), it is very important to calculate the frequency control word. To address the shortcoming of large computation, low efficiency of frequency setting, more storage space occupied or significant cumulative errors of frequency setting when calculating frequency control word with traditional methods, a novel calculation way for frequency control word is researched in this paper. This new method does not need large computation and more space and simultaneously it can decrease the error greatly, which plays an important role in improving the frequency setting speed and precision in signal generator.

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Periodical:

Advanced Materials Research (Volume 267)

Pages:

433-437

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.267.433

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Online since:

June 2011

Authors:

Jian Guo, Jie Zhu, Jiu Liu, Li Zhou

Keywords:

Direct Digital Synthesis, Frequency Control Word, Signal Generator

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References

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