PhotonIcs and Electromagnetics Research Symposium,
also known as Progress In Electromagnetics Research Symposium
PIERS Proceedings
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Published by The Electromagnetics Academy
Published: 2015-07-09
A New Design of High-speed Decimal Direct Digital Frequency Synthesizer
By
Mei Song Tong,
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    Mei Song Tong

    Tongji University, China

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Guo Chun Wan,
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    Guo Chun Wan

    Tongji University, China

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Gui Zhu Yin,
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    Gui Zhu Yin

    Tongji University, China

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Jie Zhang
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    Jie Zhang

    Tongji University, China

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Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)1083-1086
Abstract
The conventional direct digital frequency synthesizer (DDS) adopts a binary al- gorithm which limits the output frequency resolution in some applications and cannot switch frequency and phase quickly. To solve the problem, high-speed decimal DDS was proposed to improve the conventional DDS algorithm by using decimal and binary mixed algorithm and pipelined segments accumulator to realize the phase accumulation. In addition, the look-up-table (LUT) method is also adopted to achieve fast waveform output and it has shown high-speed and high-resolution performances. The new DDS is designed with VHDL language and its timing simulation results is also presented.
Citation
Mei Song Tong, Guo Chun Wan, Gui Zhu Yin, and Jie Zhang, "A New Design of High-speed Decimal Direct Digital Frequency Synthesizer," Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)1083-1086
References

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