A direct-digital synthesizer with improved spectral performance

Paul O'Leary; Franco Maloberti

doi:10.1109/26.87209

A direct-digital synthesizer with improved spectral performance

Paul O'Leary, Franco Maloberti

Research output: Contribution to journal › Article › Research › peer-review

48 Citations (Scopus)

Abstract

This paper presents a modified direct-digital synthesizer which uses noise shaping to reduce the effects of phaseaccumulator truncation on the output spectrum. The discrete spectral disturbances associated with this truncation error are strongly reduced with the proposed method, making the synthesizer suitable for high performance signal processing. The proposed architecture uses first-order noise shaping. Higher order noise shaping can also be used if required.

Original language	English
Pages (from-to)	1046-1048
Number of pages	3
Journal	IEEE Transactions on Communications
Volume	39.1991
Issue number	7
DOIs	https://doi.org/10.1109/26.87209
Publication status	Published - 1991
Externally published	Yes

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title = "A direct-digital synthesizer with improved spectral performance",

abstract = "This paper presents a modified direct-digital synthesizer which uses noise shaping to reduce the effects of phaseaccumulator truncation on the output spectrum. The discrete spectral disturbances associated with this truncation error are strongly reduced with the proposed method, making the synthesizer suitable for high performance signal processing. The proposed architecture uses first-order noise shaping. Higher order noise shaping can also be used if required.",

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AB - This paper presents a modified direct-digital synthesizer which uses noise shaping to reduce the effects of phaseaccumulator truncation on the output spectrum. The discrete spectral disturbances associated with this truncation error are strongly reduced with the proposed method, making the synthesizer suitable for high performance signal processing. The proposed architecture uses first-order noise shaping. Higher order noise shaping can also be used if required.

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JO - IEEE Transactions on Communications

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A direct-digital synthesizer with improved spectral performance

Abstract

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