In-Orbit Performance of the Digital Electronics for the X-Ray Microcalorimeter Onboard the Hitomi Satellite
Journal of low temperature physics(2018)
Abstract
The pulse shape processor is the onboard digital electronics unit of the Xray microcalorimeter instrument- the soft X- ray spectrometer- onboard the Hitomi satellite. It processesX- ray events using the optimum filtering with limited resources. It was operated for 36 days in orbit continuously without issues and met the requirement of processing a 150 s - 1 event rate during the observation of bright sources. Here, we present the results obtained in orbit, focusing on its performance as the onboard digital signal processing unit of an X- ray microcalorimeter.
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Key words
X-ray microcalorimeter,Digital signal processing,Space applications
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