Pulse-processor based on rise time measurement of trapezoidal waveforms by using a count-up ADC

M. Kuwata, H. Maeda, K. Husimi, S. Ohkawa, M. Iwasaki, S. N. Nakamura, T. M. Ito, T. Terada

研究成果: Paper査読

抄録

In order to raise the throughput of low-energy x-ray signals appearing in a background of high-energy pulses, a new pulse-processor that measures the rising time of a trapezoidal waveform instead of the peak height has been developed. A rectangular pre-filter and a gated integrator are used to make the wave-shape at the shaper output linear. A rectangular pulse is formed by adding a differential step signal and its integration. The rising time of the trapezoidal waveform is inversely proportional to the height of the input step pulse. Therefore, processing time for a high-energy pulse is shorter than that for low-energy ones. Consequently, the pile-up loss of the low-energy X-rays is reduced.

本文言語English
ページ10-12
ページ数3
出版ステータスPublished - 1995
外部発表はい
イベントProceedings of the 1995 IEEE Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 3) - San Francisco, CA, USA
継続期間: 1995 10月 211995 10月 28

Other

OtherProceedings of the 1995 IEEE Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 3)
CitySan Francisco, CA, USA
Period95/10/2195/10/28

ASJC Scopus subject areas

  • 放射線
  • 核物理学および高エネルギー物理学
  • 放射線学、核医学およびイメージング

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