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Authors: Wu Gao 1 ; Christine Hu-Guo 2 ; Nicolas Ollivier-Henry 2 ; Yann Hu 2 ; Deyuan Gao 3 and Tingcun Wei 3

Affiliations: 1 Institut Pluridisciplinaire Hubert CURIEN (ULP, CNRS/IN2P3); Aviation Microelectronics Center, Northwestern Polytechnical University, France ; 2 Institut Pluridisciplinaire Hubert CURIEN (ULP, CNRS/IN2P3), France ; 3 Aviation Microelectronics Center, Northwestern Polytechnical University, China

Keyword(s): Time-to-Digital Converter (TDC), Delay Locked Loop (DLL), Array of DLL’s, Positron Emission Tomography (PET).

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Instruments and Devices ; Imaging and Visualization Devices

Abstract: This paper presents a high-resolution multi-channel Time-to-Digital Converter (TDC) for Positron Emission Tomography (PET) imaging system. The TDC using a two-level conversion scheme is proposed for obtaining high timing resolution. Double 10-bit gray counters are designed for coarse conversion while a multiphase sampling technology is presented for fine conversion. In order to achieve better timing resolution with either a faster technology, an array of Delay-locked loops is chosen as a timing generator. A prototype chip of 3-channel TDC is designed and fabricated in AMS 0.35µm CMOS technology. The area of the chip is 8.4 mm2 in size. The measured range of the TDC is 10µs. The time tap is reduced to 71ps with a reference clock of 100MHz. The differential nonlinearity is ±0.1LSB. The circuits will be extended to 64 channels for small animal PET imaging systems.

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Paper citation in several formats:
Gao, W.; Hu-Guo, C.; Ollivier-Henry, N.; Hu, Y.; Gao, D. and Wei, T. (2009). A 71PS-RESOLUTION MULTI-CHANNEL CMOS TIME-TO-DIGITAL CONVERTER FOR POSITRON EMISSION TOMOGRAPHY IMAGING APPLICATIONS. In Proceedings of the First International Conference on Computer Imaging Theory and Applications (VISIGRAPP 2009) - IMAGAPP; ISBN 978-989-8111-68-5, SciTePress, pages 171-176. DOI: 10.5220/0001768601710176

@conference{imagapp09,
author={Wu Gao. and Christine Hu{-}Guo. and Nicolas Ollivier{-}Henry. and Yann Hu. and Deyuan Gao. and Tingcun Wei.},
title={A 71PS-RESOLUTION MULTI-CHANNEL CMOS TIME-TO-DIGITAL CONVERTER FOR POSITRON EMISSION TOMOGRAPHY IMAGING APPLICATIONS},
booktitle={Proceedings of the First International Conference on Computer Imaging Theory and Applications (VISIGRAPP 2009) - IMAGAPP},
year={2009},
pages={171-176},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001768601710176},
isbn={978-989-8111-68-5},
}

TY - CONF

JO - Proceedings of the First International Conference on Computer Imaging Theory and Applications (VISIGRAPP 2009) - IMAGAPP
TI - A 71PS-RESOLUTION MULTI-CHANNEL CMOS TIME-TO-DIGITAL CONVERTER FOR POSITRON EMISSION TOMOGRAPHY IMAGING APPLICATIONS
SN - 978-989-8111-68-5
AU - Gao, W.
AU - Hu-Guo, C.
AU - Ollivier-Henry, N.
AU - Hu, Y.
AU - Gao, D.
AU - Wei, T.
PY - 2009
SP - 171
EP - 176
DO - 10.5220/0001768601710176
PB - SciTePress

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