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Proceedings Paper

Development of digital system for the wide-field x-ray imaging detector aboard Kanazawa-SAT3
Author(s): Yasuaki Kagawa; Daisuke Yonetoku; Tatsuya Sawano; Tatehiro Mihara; Koutarou Kyutoku; Hirokazu Ikeda; Kazuki Yoshida; Masao Ina; Kaichi Ota; Daichi Suzuki; Kouga Miyao; Syouta Watanabe; Satoshi Hatori; Kyo Kume; Satoshi Mizushima; Takashi Hasegawa
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Paper Abstract

We are planning to launch a micro satellite, Kanazawa-SAT3 , at the end of FY2018 to localize X-ray transients associated with gravitational wave sources. Now we are testing a prototype model of wide-field Xray imaging detector named T-LEX (Transient Localization EXperiment). T-LEX is an orthogonally distributed two sets of 1-dimensional silicon strip detectors with coded aperture masks, and covers more than 1 steradian field of view in the energy range of 1 – 20 keV. Each dimension has 512 readout electrodes (totally 1,024 channels), and they are read out with application specific integrated circuits (ASICs) controlled by two onboard FPGAs. Moreover, each FPGA calculates the cross correlation between the X-ray intensity and mask patterns every 64 msec, makes a histogram of lightcurves and energy spectra, and also plays a role of telemetry/command interface to mission CPU. In this paper, we report an overview of digital electronics system. Especially, we focus on the high-speed imaging processor on FPGA and demonstrate its performance as an X-ray imaging system.

Paper Details

Date Published: 29 August 2017
PDF: 13 pages
Proc. SPIE 10397, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX, 103970N (29 August 2017); doi: 10.1117/12.2273587
Show Author Affiliations
Yasuaki Kagawa, Kanazawa Univ. (Japan)
Daisuke Yonetoku, Kanazawa Univ. (Japan)
Tatsuya Sawano, Kanazawa Univ. (Japan)
Tatehiro Mihara, RIKEN (Japan)
Koutarou Kyutoku, KEK/IPNS (Japan)
Hirokazu Ikeda, Institute of Space and Astronautical Science (Japan)
Kazuki Yoshida, Kanazawa Univ. (Japan)
Masao Ina, Kanazawa Univ. (Japan)
Kaichi Ota, Kanazawa Univ. (Japan)
Daichi Suzuki, Kanazawa Univ. (Japan)
Kouga Miyao, Kanazawa Univ. (Japan)
Syouta Watanabe, Kanazawa Univ. (Japan)
Satoshi Hatori, The Wakasa Wan Energy Research Ctr. (Japan)
Kyo Kume, The Wakasa Wan Energy Research Ctr. (Japan)
Satoshi Mizushima, The Wakasa Wan Energy Research Ctr. (Japan)
Takashi Hasegawa, The Wakasa Wan Energy Research Ctr. (Japan)


Published in SPIE Proceedings Vol. 10397:
UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX
Oswald H. Siegmund, Editor(s)

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