A Correction Method for Time to Digital Converter

Jie Tao Diao; Qing Jiang Li; Peng Wang; Yi Nan Wang

doi:10.4028/www.scientific.net/AMM.220-223.2138

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 220-223A Correction Method for Time to Digital Converter

A Correction Method for Time to Digital Converter

Abstract:

The hardware structure and the data-processing flow of FPGA based Time to Digital Converter (TDC) are introduced firstly in the essay. Then, according to the issue of inaccuracy in arriving time of external triggers, a correction method is proposed to enhance the accuracy of starting time. In the end, by contrast experiment, it is shown that this correction method could improve the accuracy of starting time effectively. In addition, the minimum time resolution is 400ps, which makes the TDC be adequate for applications in the fields which require high-resolution time measurement, for example, in the application of time-of-flight mass spectrometer (TOF-MS).

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Periodical:

Applied Mechanics and Materials (Volumes 220-223)

Pages:

2138-2143

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.220-223.2138

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Online since:

November 2012

Authors:

Jie Tao Diao, Qing Jiang Li, Peng Wang, Yi Nan Wang

Keywords:

Correction of Starting Time, Field-Programmable Gate Array (FPGA), Time-of-Flight Mass Spectrometer (TOF-MS), Time-to-Digital Convertor (TDC)

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