Instrument data processing unit for spectrometer/telescope for imaging X-rays (STIX)

Konrad R. Skup, A. Cichocki, R. Graczyk, M. Michalska, M. Mosdorf, W. Nowosielski, P. Orleański, A. Przepiórka, K. Seweryn, M. Stolarski, M. Winkler, J. Sylwester, M. Kowalinski, T. Mrozek, P. Podgorski, A. O. Benz, S. Krucker, G. J. Hurford, N. G. Arnold, H. ÖnelA. Meuris, O. Limousin, O. Grimm

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The Spectrometer/Telescope for Imaging X-rays (STIX) is one of 10 instruments on board Solar Orbiter, an M-class mission of the European Space Agency (ESA) scheduled to be launch in 2017. STIX applies a Fourier-imaging technique using a set of tungsten grids in front of 32 pixelized CdTe detectors to provide imaging spectroscopy of solar thermal and non-thermal hard X-ray emissions from 4 to 150 keV. These detectors are source of data collected and analyzed in real-time by Instrument Data Processing Unit (IDPU). Besides the data processing the IDPU controls and manages other STIX's subsystems: ASICs and ADCs associated with detectors, Aspect System, Attenuator, PSU and HK. The instrument reviewed in this paper is based on the design that passed the Instrument Preliminary Design Review (IPDR) in early 2012 and Software Preliminary Design Review (SW PDR) in middle of 2012. Particular emphasis is given to the IDPU and low level software called Basic SW (BSW).

Original languageEnglish
Article number84540K
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2012
Externally publishedYes


  • Data processing unit
  • FPGA
  • Low level software
  • X-ray imaging
  • X-ray spectrometer


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