A 100-Mhz Bandwidth 80-dB Dynamic Range Continuous-Time Delta-Sigma Modulator with a 2.4-Ghz Clock Rate

The bandwidth of a ΔΣ modulator is limited by the clock rate due to the oversampling ratio requirement. As the nanoscale CMOS processes are developing rapidly, it is possible to design wide bandwidth and high dynamic range continuous-time ΔΣ modulators for high-frequency applications. This paper pro...

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Detalles Bibliográficos
Autores principales: Xiao, Yao, Lu, Zhifei, Ren, Zhaofeng, Peng, Xizhu, Tang, He
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2020
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7058773/
https://www.ncbi.nlm.nih.gov/pubmed/32140887
http://dx.doi.org/10.1186/s11671-020-3284-4
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author Xiao, Yao
Lu, Zhifei
Ren, Zhaofeng
Peng, Xizhu
Tang, He
author_facet Xiao, Yao
Lu, Zhifei
Ren, Zhaofeng
Peng, Xizhu
Tang, He
author_sort Xiao, Yao
collection PubMed
description The bandwidth of a ΔΣ modulator is limited by the clock rate due to the oversampling ratio requirement. As the nanoscale CMOS processes are developing rapidly, it is possible to design wide bandwidth and high dynamic range continuous-time ΔΣ modulators for high-frequency applications. This paper proposes a 3rd-order 4-bit continuous-time ΔΣ modulator with a single-loop feedforward topology. This modulator is designed in a 40-nm CMOS process and achieves 80-dB dynamic range and a 100-MHz bandwidth at a clock rate of 2.4 GHz. The modulator consumes 69.7 mW from 1.2 V power supply.
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spelling pubmed-70587732020-03-23 A 100-Mhz Bandwidth 80-dB Dynamic Range Continuous-Time Delta-Sigma Modulator with a 2.4-Ghz Clock Rate Xiao, Yao Lu, Zhifei Ren, Zhaofeng Peng, Xizhu Tang, He Nanoscale Res Lett Nano Express The bandwidth of a ΔΣ modulator is limited by the clock rate due to the oversampling ratio requirement. As the nanoscale CMOS processes are developing rapidly, it is possible to design wide bandwidth and high dynamic range continuous-time ΔΣ modulators for high-frequency applications. This paper proposes a 3rd-order 4-bit continuous-time ΔΣ modulator with a single-loop feedforward topology. This modulator is designed in a 40-nm CMOS process and achieves 80-dB dynamic range and a 100-MHz bandwidth at a clock rate of 2.4 GHz. The modulator consumes 69.7 mW from 1.2 V power supply. Springer US 2020-03-06 /pmc/articles/PMC7058773/ /pubmed/32140887 http://dx.doi.org/10.1186/s11671-020-3284-4 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Nano Express
Xiao, Yao
Lu, Zhifei
Ren, Zhaofeng
Peng, Xizhu
Tang, He
A 100-Mhz Bandwidth 80-dB Dynamic Range Continuous-Time Delta-Sigma Modulator with a 2.4-Ghz Clock Rate
title A 100-Mhz Bandwidth 80-dB Dynamic Range Continuous-Time Delta-Sigma Modulator with a 2.4-Ghz Clock Rate
title_full A 100-Mhz Bandwidth 80-dB Dynamic Range Continuous-Time Delta-Sigma Modulator with a 2.4-Ghz Clock Rate
title_fullStr A 100-Mhz Bandwidth 80-dB Dynamic Range Continuous-Time Delta-Sigma Modulator with a 2.4-Ghz Clock Rate
title_full_unstemmed A 100-Mhz Bandwidth 80-dB Dynamic Range Continuous-Time Delta-Sigma Modulator with a 2.4-Ghz Clock Rate
title_short A 100-Mhz Bandwidth 80-dB Dynamic Range Continuous-Time Delta-Sigma Modulator with a 2.4-Ghz Clock Rate
title_sort 100-mhz bandwidth 80-db dynamic range continuous-time delta-sigma modulator with a 2.4-ghz clock rate
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7058773/
https://www.ncbi.nlm.nih.gov/pubmed/32140887
http://dx.doi.org/10.1186/s11671-020-3284-4
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