NDLI: Nuclear instrumentation for a soft X-ray detection system on a small satellite, CATSAT

Content Provider	IEEE Xplore Digital Library
Author	Lynch, S.P. Geary, D.E. Forrest, D.J.
Copyright Year	1997
Description	Author affiliation: Dept. of Electr. & Comput. Eng., New Hampshire Univ., Durham, NH, USA (Lynch, S.P.)
Abstract	Nuclear instrumentation has been designed and tested for a large field of view soft X-ray sensor utilizing Si Avalanche Photodiodes (APDs). The instrument will be launched on a low cost satellite mission in mid 1998. The mission's primary scientific objective is to determine the distance scale to the sources of cosmic gamma ray bursts by utilizing interstellar absorption effects observable in their X-ray emission at energies below 2 keV. The soft X-ray (SXR) sensor incorporates 7 identical panels, each with 16 APDs collectively collimated to a 1 steradian field of view. The SXR panels are radiatively cooled to -35 degrees C, and taken together, view a full hemisphere. The instrumentation for each of the sensors in the SXR detector includes a low noise, charge sensitive preamplifier/shaping amplifier and an Analog Electronics Unit (AEU) containing a voltage amplifier, peak track and hold circuit, and threshold-timing logic. Each panel has an Analog to Digital Interface (ADI) based on an FPGA, which controls the digitization of the event amplitudes, implements the In-Flight Calibration (IFC) for each APD, and coordinates the data output to and command input from the instrument CPU.
Starting Page	93
Ending Page	97
File Size	704232
Page Count	5
File Format	PDF
ISBN	0780335341
ISSN	10823654
DOI	10.1109/NSSMIC.1996.590913
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-11-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Instruments X-ray detection Low-noise amplifiers Testing Avalanche photodiodes Costs Satellites Gamma ray bursts Electromagnetic wave absorption Collimators
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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