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<p>The high-energy cosmic radiation detector (HERD) is a planned experimental instrument at the Chinese Space Station. The silicon charge detector (SCD), a subdetector in HERD, is used to detect cosmic-ray nuclei with a high charge resolution. In this study, we present a compact readout electronic system for the SCD that is designed for the HERD heavy-ion beam test. It comprises front-end readout electronics with 200 input channels as well as data acquisition and data management electronics. The test results showed that the SCD readout system had low noise with a silicon-strip detector connected. The dynamic range could be extended from 200 to 1200 fC, and the cosmic-ray test was performed as expected.</p>

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Design of a silicon charge detector readout system for beam test

  • 期刊论文

  • 发表日期：

    2025年5月8日

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  • Xuan Liu,
  • Dong-Yu Wang,
  • Wen-Xi Peng,
  • Rui Qiao,
  • Meng-Long Wu,
  • Ming Huang,
  • Ya-Qing Liu,
  • Dong-Ya Guo,
  • Ke Gong

摘要

The high-energy cosmic radiation detector (HERD) is a planned experimental instrument at the Chinese Space Station. The silicon charge detector (SCD), a subdetector in HERD, is used to detect cosmic-ray nuclei with a high charge resolution. In this study, we present a compact readout electronic system for the SCD that is designed for the HERD heavy-ion beam test. It comprises front-end readout electronics with 200 input channels as well as data acquisition and data management electronics. The test results showed that the SCD readout system had low noise with a silicon-strip detector connected. The dynamic range could be extended from 200 to 1200 fC, and the cosmic-ray test was performed as expected.