A Long Sequence Length, Reduced Complexity MASH 1-1-1 DDSM for Fractional-N Frequency Synthesizer

Bin Li; Xiang Ning Fan; Wei Wei Zhu

doi:10.4028/www.scientific.net/AMM.130-134.4286

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A Long Sequence Length, Reduced Complexity MASH 1-1-1 DDSM for Fractional-N Frequency Synthesizer
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134A Long Sequence Length, Reduced Complexity MASH...

A Long Sequence Length, Reduced Complexity MASH 1-1-1 DDSM for Fractional-N Frequency Synthesizer

Abstract:

In this paper, a long sequence length, reduced complexity MASH 1-1-1 digital delta-sigma modulator (DDSM) suitable for fractional-N frequency synthesizer applications is presented. Good shaping of quantization noise is achieved by using the state of art MASH structure for a digital third-order delta-sigma modulator, meanwhile, the hardware required for this modulator is considerably reduced by recoding all carry output signal from accumulators. The functional operation of the modulator is confirmed by simulation.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

4286-4290

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.4286

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Online since:

October 2011

Authors:

Bin Li, Xiang Ning Fan, Wei Wei Zhu

Keywords:

Digital Delta-Sigma Modulator, Fractional-N Frequency Synthesizer, MASH 1-1-1

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References

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