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Development of a high dynamic range read-out system using multiple photodiodes for the total absorption calorimeter of the CALorimetric Electron Telescope
https://repo.qst.go.jp/records/45490
https://repo.qst.go.jp/records/45490cbacc418-38f2-49f5-bcb0-205e811686b9
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-04-17 | |||||
タイトル | ||||||
タイトル | Development of a high dynamic range read-out system using multiple photodiodes for the total absorption calorimeter of the CALorimetric Electron Telescope | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Katayose, Yusaku
× Katayose, Yusaku× Shibata, M× Torii, Syoji× Shimizu, Y× Tamura, Tadahisa× Hibino, Kinya× Okuno, Syouji× Yoshida, Kenji× Kitamura, Hisashi× Uchihori, Yukio× Murakami, Hiroyuki× Kubo, Shin× 北村 尚× 内堀 幸夫 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Read-out systems using Si-PIN photodiodes and front-end circuits(FEC) were studied to measure the energy deposit with a dynamic range from 1MIP(Minimum Ionization Particle) to 106 MIPs in a BGO bar of the total absorption calorimeter (TASC) of the CALET (CALorimetric Electron Telescope) instrument. Three types of FEC were tested for the photodiode read out. Two were A225(AMP-TEK), which consists of a hybrid charge sensitive preamplifier and a shaping amplifier, and MPX-08 (NOVA), which is a charge-integrating chip. It was confirmed that the A225 has a resolution of about 0.31 fC and a maximum range of about 2 pC. It was found that the use of the A225 makes a wide range measurement with six orders of magnitude possible using three photodiodes. A new hybrid integrated circuit is being developed to measure a BGO signal with a dynamic range of seven orders using two photodiodes. This FEC consists of two preamplifiers, one for a smaller photodiode and one for a larger one. A high-gain preamplifier was developed and its performance was evaluated. The resolution is about 0.5 fC and the maximum range is more than 25 pC. This makes a dynamic range with four orders of magnitude possible using one photodiode. The outline of a read-out systems using each type of FEC and the state of the development of each system is described below. | |||||
書誌情報 |
Journal of the Physical Society of Japan 巻 78, 号 Suppl. A, p. 177-180, 発行日 2009-04 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0031-9015 |