Fully Digital 1-1 MASH VCO-Based ADC Architecture

Mohammadhadi Danesh; Arindam Sanyal

doi:10.1109/MWSCAS.2019.8884925

Fully Digital 1-1 MASH VCO-Based ADC Architecture

Mohammadhadi Danesh, Arindam Sanyal

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper proposes a novel architecture for purely voltage controlled oscillator (VCO) based 1-1 MASH secondorder analog-to-digital converter (ADC). Each stage of the MASH uses an open loop inverter based ring VCO. The proposed ADC uses phase information from all inverters in the VCO in both the MASH stages to perform efficient multi-bit quantization. A novel VCO quantization error extraction circuit is proposed to easily extract quantization noise of the first VCO stage. A gain calibration for the second stage of the ADC has been analyzed. Behavioral simulations have been performed to validate the proposed architecture.

Original language	English (US)
Title of host publication	2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	501-504
Number of pages	4
ISBN (Electronic)	9781728127880
DOIs	https://doi.org/10.1109/MWSCAS.2019.8884925
State	Published - Aug 2019
Externally published	Yes
Event	62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019 - Dallas, United States Duration: Aug 4 2019 → Aug 7 2019

Publication series

Name	Midwest Symposium on Circuits and Systems
Volume	2019-August
ISSN (Print)	1548-3746

Conference

Conference	62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019
Country/Territory	United States
City	Dallas
Period	8/4/19 → 8/7/19

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/MWSCAS.2019.8884925

Cite this

Fully Digital 1-1 MASH VCO-Based ADC Architecture. / Danesh, Mohammadhadi; Sanyal, Arindam.
2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019. Institute of Electrical and Electronics Engineers Inc., 2019. p. 501-504 8884925 (Midwest Symposium on Circuits and Systems; Vol. 2019-August).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Danesh, M & Sanyal, A 2019, Fully Digital 1-1 MASH VCO-Based ADC Architecture. in 2019 IEEE 62nd International Midwest Symposium on Circuits and Systems, MWSCAS 2019., 8884925, Midwest Symposium on Circuits and Systems, vol. 2019-August, Institute of Electrical and Electronics Engineers Inc., pp. 501-504, 62nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2019, Dallas, United States, 8/4/19. https://doi.org/10.1109/MWSCAS.2019.8884925

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abstract = "This paper proposes a novel architecture for purely voltage controlled oscillator (VCO) based 1-1 MASH secondorder analog-to-digital converter (ADC). Each stage of the MASH uses an open loop inverter based ring VCO. The proposed ADC uses phase information from all inverters in the VCO in both the MASH stages to perform efficient multi-bit quantization. A novel VCO quantization error extraction circuit is proposed to easily extract quantization noise of the first VCO stage. A gain calibration for the second stage of the ADC has been analyzed. Behavioral simulations have been performed to validate the proposed architecture.",

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AB - This paper proposes a novel architecture for purely voltage controlled oscillator (VCO) based 1-1 MASH secondorder analog-to-digital converter (ADC). Each stage of the MASH uses an open loop inverter based ring VCO. The proposed ADC uses phase information from all inverters in the VCO in both the MASH stages to perform efficient multi-bit quantization. A novel VCO quantization error extraction circuit is proposed to easily extract quantization noise of the first VCO stage. A gain calibration for the second stage of the ADC has been analyzed. Behavioral simulations have been performed to validate the proposed architecture.

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Fully Digital 1-1 MASH VCO-Based ADC Architecture

Abstract

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Conference

ASJC Scopus subject areas

Access to Document

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