NDLI: High-order microsecond-range current-feedback filtering cell for high resolution spectroscopy in BiCMOS technology

Content Provider	IEEE Xplore Digital Library
Author	Buzzetti, S. Guazzoni, C. Longoni, A.
Copyright Year	2004
Description	Author affiliation: Dipt. di Electron. e Informazione, Politecnico di Milano, Milan, Italy (Buzzetti, S.; Guazzoni, C.; Longoni, A.)
Abstract	The subject of this work is a novel current mode approach to design monolithic spectroscopy amplifiers virtually of any order. The proposed topology is suitable to design spectroscopy amplifier with a wide range of time constants (/spl sim/0.1-10 /spl mu/s) in a very compact scheme. We have designed in 0.8 /spl mu/m BiCMOS technology two 4th order shaping amplifiers (500 ns and 167 ns shaping times) to be coupled to monolithic arrays of silicon drift detectors for high resolution X-ray spectroscopy. In this paper we present the main issues of the circuit design and a detailed discussion of the results of the experimental characterization. The measured integral-non-linearity is below /spl plusmn/0.1% and the achieved energy resolution at the Mn K/spl alpha/ line (measured with the proposed spectroscopy amplifier coupled to a 5 mm/sup 2/ Peltier-cooled SDD) is 160 eV FWHM with 500 ns shaping time, comparable to the one obtained with a commercial shaping amplifier with the same time constant.
Starting Page	43
Ending Page	46
File Size	475700
Page Count	4
File Format	PDF
ISBN	0780387007
ISSN	10823654
e-ISBN	0780387015
DOI	10.1109/NSSMIC.2004.1462065
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-16
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filtering Spectroscopy BiCMOS integrated circuits Coupling circuits Energy resolution Energy measurement Time measurement Topology Sensor arrays Silicon
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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