Ground Support Electronics for Testing the Preflight Performance of the MAXI-GSC

J. Kataoka*, Y. Serino, N. Kawai, T. Arakuni, A. Yoshida, M. Uzawa, M. Kohama, I. Sakurai, T. Mihara, H. Negoro, N. Isobe, H. Katayama, K. Kawasaki, N. Kuramata, M. Matsuoka, H. Tomida, S. Ueno, T. Yokota, E. Miyata, M. NomachiH. Tsunemi

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


MAXI is an X-ray all-sky monitor which will be mounted on the Japanese Experimental Module (JEM) of the International Space Station (ISS) in 2008. The Gas Slit Camera (GSC) consists of 12 one-dimensional position sensitive proportional counters and the sensitivity will be as high as 1 mCrab for a one-week accumulation in the 2-30 keV band. In order to calibrate the detectors and electronic systems thoroughly before the launch, a fast and versatile Ground Support Electronic (GSE) system is necessary. We have developed a new GSE based on VME I/O boards for a Linux workstation. These boards carry reconfigurable FPGAs of 100,000 gates, together with 16 Mbytes of SDRAM. As a demonstration application of using this GSE, we have tested the positional response of a GSC engineering counter. We present a schematic view of the GSE highlighting the functional design, together with a future vision of the ground testing of the GSC flight counters and digital associated processor.

Original languageEnglish
Pages (from-to)375-386
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2004 May 3
Externally publishedYes
EventX-Ray and Gamma-Ray Instrumentation for Astronomy XIII - San Diego, CA, United States
Duration: 2003 Aug 32003 Aug 5


  • Ground Support Electronics
  • Monitor of All-sky X-ray Image
  • Reconfigurable FPGA

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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