Software-aided time resolution doubler (TRD) operating as a TDC

M. M. Rashid, H. Matsumoto, O. Iwamoto, Akihiro Nohtomi, Yusuke Uozumi, T. Sakae, M. Matoba

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

抄録

A Ratio-to-Digital converter (RDC) is used to determine the position of ionization in a single wire position sensing proportional counter. In the RDC, the digital output is obtained by a TDC utilizing the principle of a linear discharge type ADC. The conversion time as well as the time resolution of this type of ADC is dependent on the frequency of the clock. An idea of a Time Resolution Doubler (TRD) has been conceived by applying a simple logic to the basic idea of a two-phase active TDC system to double the effective operating frequency of a TDC. The final output is obtained by the help of the data processing software. An attempt is made to minimize the problem of differential non-linearity, a factor that limits the practical use of a two-phase active TDC system. A prototype TRD based TDC has been developed for using in the RDC of this laboratory. Utilizing a 100 MHz clock, the TRD acts as an effective 200 MHz TDC and gives the RDC output with a full scale capacity of 8192 channels. The experimentally observed differential non-linearity of the TRD based TDC is comparable to that of a simple TDC.

本文言語英語
ホスト出版物のタイトルIEEE Nuclear Science Symposium & Medical Imaging Conference
出版社Publ by IEEE
ページ552-556
ページ数5
pt 1
ISBN(印刷版)0780314883
出版ステータス出版済み - 1994
イベントProceedings of the 1993 IEEE Nuclear Science Symposium & Medical Imaging Conference - San Francisco, CA, USA
継続期間: 10 30 199311 6 1993

その他

その他Proceedings of the 1993 IEEE Nuclear Science Symposium & Medical Imaging Conference
CitySan Francisco, CA, USA
Period10/30/9311/6/93

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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