Design and development of an FPGA-based pnCCD driver and readout system for future satellite mission HiZ-GUNDAM

Ryuji Kondo; Shintaro Ikunaga; Hsien-Chieh Shen; Makoto Arimoto; Naoki Ogino; Shuta Takahashi; Daisuke Yonetoku; Tatsuya Sawano; Junko Hiraga; Robert Hartmann; Lothar Strüder

doi:10.1117/12.3018693

21 August 2024 Design and development of an FPGA-based pnCCD driver and readout system for future satellite mission HiZ-GUNDAM

Ryuji Kondo, Shintaro Ikunaga, Hsien-Chieh Shen, Makoto Arimoto, Naoki Ogino, Shuta Takahashi, Daisuke Yonetoku, Tatsuya Sawano, Junko Hiraga, Robert Hartmann, Lothar Strüder

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 130936D (2024) https://doi.org/10.1117/12.3018693
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

Gamma-ray bursts (GRBs) are the most luminous explosions in the universe, emitting energy on the order of 10⁵² to 10⁵⁴ erg over several tens of milliseconds to a few hundred seconds. HiZ-GUNDAM is a future satellite mission designed to explore the early universe using GRBs as probes. It utilizes a wide-field X-ray monitor consisting of Lobster Eye Optics (LEO) and focal image sensors, which detect and determine the direction of GRBs. Two candidates for the focal plane detector are CMOS image sensors and pnCCD image sensors. In the past, we developed the CAPREO FPGA board for the high-speed readout and X-ray event extraction of CMOS image sensors. Currently, we are developing the drive and readout system for the pnCCD, the another candidate. PNSensor’s pnCCD detector, which features a fast readout, large area, and high sensitivity, meets the mission requirements, including an imaging area of 55 mm × 55 mm or larger, a frame rate of at least 10 fps, and a pixel size of approximately 100 μm. The pnCCD drive and readout system requires functions for generating the drive signals for the pnCCD and for AD conversion of the analog signals from the pnCCD. The CAPREO FPGA system can be adapted for high-speed readout and X-ray event extraction. To implement these functions, we developed the PHI driver board to generate charge transfer signals for the pnCCD, the ADC board to convert analog signals from the pnCCD, and a power supply board to power this system. In this paper, we first provide an overview of HiZ-GUNDAM and the mission requirements for the focal plane detector, followed by an introduction to the functions of the three electronic boards we developed.

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Ryuji Kondo, Shintaro Ikunaga, Hsien-Chieh Shen, Makoto Arimoto, Naoki Ogino, Shuta Takahashi, Daisuke Yonetoku, Tatsuya Sawano, Junko Hiraga, Robert Hartmann, and Lothar Strüder "Design and development of an FPGA-based pnCCD driver and readout system for future satellite mission HiZ-GUNDAM", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 130936D (21 August 2024); https://doi.org/10.1117/12.3018693

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