The readout design of Si-PIN detector in HXMT

Tao Luo; Bin Meng; Yong Chen; Yanji Yang; Yusa Wang; Yudong Gu; Wei Li

doi:10.1117/12.2311640

6 July 2018 The readout design of Si-PIN detector in HXMT

Tao Luo, Bin Meng, Yong Chen, Yanji Yang, Yusa Wang, Yudong Gu, Wei Li

Proceedings Volume 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII; 107092K (2018) https://doi.org/10.1117/12.2311640
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The Medium Energy X-ray Telescope (ME), covering 5-30 keV, is one of the three main payloads of the Hard X-ray Modulation Telescope (HXMT). ME adopts an array of Si-PIN detectors. The detection area of one pixel is 56.25 mm² , and the total detection area is 952 cm² . The ME has a large active area while the pixel size is smaller. So the front-end electronics and forming electronics are realized by Application Specific Integrated Circuit (ASIC) chips. In this paper, we will describe the matching design of ME Si-PIN detector and ASIC, and the performance of the design. The energy response, temperature response, and dead time of a Two-Pixels Si-PIN detectors with the simplest readout electronics which is similar with ME, were tested on the Max Planck Institute for Extraterrestrial Physics PANTER X-ray test facility at Neuried by Munchen (Germany). The overall performance is quite similar to what was expected.

Citation Download Citation

Tao Luo, Bin Meng, Yong Chen, Yanji Yang, Yusa Wang, Yudong Gu, and Wei Li "The readout design of Si-PIN detector in HXMT", Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII, 107092K (6 July 2018); https://doi.org/10.1117/12.2311640

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