Presentation 2014-11-21
A Spurious Suppression Method with DDS driven Fractional-N PLL
Kazuhide HIGUCHI, Hiroyuki MIZUTANI, Kenichi Tajima, Morishige HIEDA,
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Abstract(in English) A Fractional-N PLL can generate high resolution frequency signals with the combination of ΔΣ modulator and integer-N frequency divider. However, it generates integer boundary spurs in harmonics of half of reference frequency, and it is difficult to realize low spurious property under wideband frequency outputs. This paper proposes a spurious suppression method by using DDS as reference signal of fractional-N PLL and allocating spurious frequency in cutoff frequency.
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Keyword(in English) Fractional-N PLL / DDS / Spurs
Paper # MW2014-145
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Committee MW
Conference Date 2014/11/13(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) A Spurious Suppression Method with DDS driven Fractional-N PLL
Sub Title (in English)
Keyword(1) Fractional-N PLL
Keyword(2) DDS
Keyword(3) Spurs
1st Author's Name Kazuhide HIGUCHI
1st Author's Affiliation Information Technology R&D Center, Mitsubishi Electric Corporation()
2nd Author's Name Hiroyuki MIZUTANI
2nd Author's Affiliation Information Technology R&D Center, Mitsubishi Electric Corporation
3rd Author's Name Kenichi Tajima
3rd Author's Affiliation Information Technology R&D Center, Mitsubishi Electric Corporation
4th Author's Name Morishige HIEDA
4th Author's Affiliation Information Technology R&D Center, Mitsubishi Electric Corporation
Date 2014-11-21
Paper # MW2014-145
Volume (vol) vol.114
Number (no) 318
Page pp.pp.-
#Pages 4
Date of Issue