Novel Ratio to Digital Converter (RDC)

F. Javanmardi, T. Sakae, Yusuke Uozumi, M. Matoba

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

A novel ratio-to-digital converter (RDC) that uses a new conversion method for its division circuit is introduced. The new ratio-to-time conversion used in the division circuit is a dynamic conversion method. The ratio-to-time response of a miniature delay chip is used in this dynamic conversion method. Majority of the methods used for the ratio-to-time conversion of conventional RDCs are static methods and start the conversion process after a long dead time for peak sensing of the signals. For the dynamic conversion method the ratio can be converted to time at any moment on leading edges of the input signals. Then, the dead time for the conversion method decreases at least five times in compare with the dead time of the static conversion method. A set of miniature delay chip, using this conversion method, is substituted for a conventional division circuit that includes many active elements. Since the miniature delay chip is a passive element, it is possible to install it within the position sensitive chambers. Using the new RDC, the signals of the Backgammon pattern in a SWPC were converted to position with a timing response of one nanosecond for one millimeter length. Position resolution about 2% of the detector length was achieved.

本文言語英語
ホスト出版物のタイトルIEEE Nuclear Science Symposium and Medical Imaging Conference
出版社IEEE
ページ434-439
ページ数6
1
ISBN(印刷版)0780350227
出版ステータス出版済み - 1999
外部発表はい
イベントProceedings of the 1998 IEEE Nuclear Science Symposium Conference Record - Toronto, Que, Can
継続期間: 11 8 199811 14 1998

その他

その他Proceedings of the 1998 IEEE Nuclear Science Symposium Conference Record
CityToronto, Que, Can
Period11/8/9811/14/98

All Science Journal Classification (ASJC) codes

  • Computer Vision and Pattern Recognition
  • Industrial and Manufacturing Engineering

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