NDLI: A Multichannel Integrated Readout Circuit for High Throughput X-Ray Spectroscopy With Silicon Drift Detectors

Content Provider	IEEE Xplore Digital Library
Author	Bombelli, L. Quaglia, R. Fiorini, C. Alberti, R. Frizzi, T.
Copyright Year	1963
Abstract	In this paper, we describe a front-end ASIC for the readout of multi-elements Silicon Drift Detectors (SDDs) specifically designed for high count-rate X-ray spectroscopy applications. In particular, the focus of this design is on the maximization of the event throughput and, at the same time, keeping a high energy resolution. The readout of a detector array by means of 8 separate channels allows increasing the maximum count-rate of the system. The use of one or more of these front-end ASICs allows the management of several readout channels required by a multi-SDD detector within a very compact detection system, as well as maintaining excellent noise performance. The use of a very-fast high-order processing filter and of an efficient pile-up rejection strategy allows minimizing the pile-up probability and maximizing the event throughput of the single channels for a given processing time. The use of a 3-phase peak-stretcher, together with a fast output multiplexer, permits to minimize the dead-time during the valid-data acquisition, practically to a value limited by the pure overlap of the shaped pulses. The ASIC is designed with the possibility of operating with the input JFET integrated on the detector itself as well as to operate in combination with an external preamplifier. The measured noise-contribution added by the front-end ASIC is only 2.9 electrons at 1.8 μs shaping time and just 4.1 electrons at the shortest 600 ns peaking time, exploiting at best the speed capability. In X-ray spectroscopy measurements, the ASIC connected to an SDD coupled to a CMOS preamplifier has allowed to achieve an energy resolution of 126 eV at 1.5 μs peaking time and 115 kcps/channel input rate, and 144 eV at 600 ns peaking time and 800 kcps/channel input rate.
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	430
Ending Page	436
Page Count	7
File Size	1313388
File Format	PDF
ISSN	00189499
Volume Number	60
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Application specific integrated circuits Data acquisition Detectors Noise Throughput JFETs Energy resolution X-ray ASIC detector high rate pile up PUR SDD spectroscopy
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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