Ultra low power circuits and systems for biomedical application (data converter)

In a rapidly increasing digital world, data converters play a more and more significant role and more sophisticated data converters are required. Because of the dramatic growth of the portable electronic equipments demands and the remarkable decrease of the equipments size, the Delta Sigma (∑Δ) A...

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Main Author: Chen, Ling
Other Authors: Siek Liter
Format: Final Year Project
Language:English
Published: 2010
Subjects:
Online Access:http://hdl.handle.net/10356/20755
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-207552023-07-07T16:51:47Z Ultra low power circuits and systems for biomedical application (data converter) Chen, Ling Siek Liter School of Electrical and Electronic Engineering Panasonic Pte. Ltd. Centre for Integrated Circuits and Systems DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits In a rapidly increasing digital world, data converters play a more and more significant role and more sophisticated data converters are required. Because of the dramatic growth of the portable electronic equipments demands and the remarkable decrease of the equipments size, the Delta Sigma (∑Δ) Analog-to-Digital Converter (ADC) which is a potentially power-saving architecture for ADC is developed very fast nowadays. It is usually used for high-resolution analog to digital conversion in the low-voltage environment. The report is to introduce the fundamentals on the ADC such as sampling, quantization and performance metrics. The theories and techniques of ∑Δ ADC such as oversampling technique, noise-shaping concept and different architecture choices are included. In consequence, the whole design process of a 2nd order, single-stage ∑Δ ADC with single-bit quantizer and feedforward path architecture in both the system level and circuit level design, and all the coefficients and simulation results are presented. The project aims to design a data converter for the ultra low power audio applications, so some power-saving techniques in the system level and also in the circuit level are investigated. At last, some future works are indicated for future improvements. Bachelor of Engineering 2010-01-07T06:15:38Z 2010-01-07T06:15:38Z 2009 2009 Final Year Project (FYP) http://hdl.handle.net/10356/20755 en Nanyang Technological University 81 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits
spellingShingle DRNTU::Engineering::Electrical and electronic engineering::Electronic circuits
Chen, Ling
Ultra low power circuits and systems for biomedical application (data converter)
description In a rapidly increasing digital world, data converters play a more and more significant role and more sophisticated data converters are required. Because of the dramatic growth of the portable electronic equipments demands and the remarkable decrease of the equipments size, the Delta Sigma (∑Δ) Analog-to-Digital Converter (ADC) which is a potentially power-saving architecture for ADC is developed very fast nowadays. It is usually used for high-resolution analog to digital conversion in the low-voltage environment. The report is to introduce the fundamentals on the ADC such as sampling, quantization and performance metrics. The theories and techniques of ∑Δ ADC such as oversampling technique, noise-shaping concept and different architecture choices are included. In consequence, the whole design process of a 2nd order, single-stage ∑Δ ADC with single-bit quantizer and feedforward path architecture in both the system level and circuit level design, and all the coefficients and simulation results are presented. The project aims to design a data converter for the ultra low power audio applications, so some power-saving techniques in the system level and also in the circuit level are investigated. At last, some future works are indicated for future improvements.
author2 Siek Liter
author_facet Siek Liter
Chen, Ling
format Final Year Project
author Chen, Ling
author_sort Chen, Ling
title Ultra low power circuits and systems for biomedical application (data converter)
title_short Ultra low power circuits and systems for biomedical application (data converter)
title_full Ultra low power circuits and systems for biomedical application (data converter)
title_fullStr Ultra low power circuits and systems for biomedical application (data converter)
title_full_unstemmed Ultra low power circuits and systems for biomedical application (data converter)
title_sort ultra low power circuits and systems for biomedical application (data converter)
publishDate 2010
url http://hdl.handle.net/10356/20755
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