A simple and efficient dithering method for vector quantizer based mismatch-shaped ΔΣ DACs

Arindam Sanyal; Nan Sun

doi:10.1109/ISCAS.2012.6272082

A simple and efficient dithering method for vector quantizer based mismatch-shaped ΔΣ DACs

Arindam Sanyal, Nan Sun

Research output: Contribution to conference › Paper › peer-review

3 Scopus citations

Abstract

This paper presents an in-depth analysis of the generation of tones in the output spectra of vector-quantizer (VQ) based multibit mismatch-shaped ΔΣ digital-to-analog converters (DACs). Building upon the analysis, a simple yet elegant method of adding dither to remove tones from the output spectra is presented. It achieves a better mismatch shaping performance with a low hardware cost compared to existing dithering techniques.

Original language	English (US)
Pages	528-531
Number of pages	4
DOIs	https://doi.org/10.1109/ISCAS.2012.6272082
State	Published - 2012
Externally published	Yes
Event	2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012 - Seoul, Korea, Republic of Duration: May 20 2012 → May 23 2012

Other

Other	2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012
Country/Territory	Korea, Republic of
City	Seoul
Period	5/20/12 → 5/23/12

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

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10.1109/ISCAS.2012.6272082

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abstract = "This paper presents an in-depth analysis of the generation of tones in the output spectra of vector-quantizer (VQ) based multibit mismatch-shaped ΔΣ digital-to-analog converters (DACs). Building upon the analysis, a simple yet elegant method of adding dither to remove tones from the output spectra is presented. It achieves a better mismatch shaping performance with a low hardware cost compared to existing dithering techniques.",

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AB - This paper presents an in-depth analysis of the generation of tones in the output spectra of vector-quantizer (VQ) based multibit mismatch-shaped ΔΣ digital-to-analog converters (DACs). Building upon the analysis, a simple yet elegant method of adding dither to remove tones from the output spectra is presented. It achieves a better mismatch shaping performance with a low hardware cost compared to existing dithering techniques.

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A simple and efficient dithering method for vector quantizer based mismatch-shaped ΔΣ DACs

Abstract

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