NDLI: CAMEX readout ASICs for pnCCDs

Content Provider	IEEE Xplore Digital Library
Author	Herrmann, Sven Buttler, Werner Hartmann, Robert Meidinger, Norbert Porro, Matteo Strueder, Lothar
Copyright Year	2008
Description	Author affiliation: Max-Planck-Institut fuer extraterrestrische Physik, Munich, Germany (Herrmann, Sven; Meidinger, Norbert; Porro, Matteo; Strueder, Lothar) \|\| Halbleiterlabor, PNSensor GmbH, Munich, Germany (Hartmann, Robert) \|\| Ingenieurbuero Werner Buttler, Essen, Germany (Buttler, Werner)
Abstract	For the readout of pnCCD we developed a series of CAMEX ASICs since the early 90’s. With the advent of DEPFET PIXEL detectors the existing CAMEX readout chip was adopted for these new detectors. The actual generation of CAMEX readout chips is fabricated in a standard 5V CMOS technology with JFET option at the Fraunhofer IMS in Duisburg, Germany. To qualify the new CAMEX readout ASICs we performed several measurements including weighting function measurements, multiplexer performance and linearity as well as performance figures of the integrated bias DACs. Performance values together with the pnCCD will be shown. Further tests will also reveal the radiation performance of the ASIC. The main application of these CAMEX chips is the X-ray astronomy project eROSITA (extended Roentgen Survey with an Imaging Telescope Array). This X-ray telescope will be accommodated aboard the new Spectrum Roentgen Gamma satellite. It consists of seven parallel oriented mirror modules (Wolter-I optics) each having its own pnCCD camera in the focus. The pnCCD detector consists of 384×384 imaging pixels with 75μm size plus a frame store area. The satellite launch is planned for the year 2011.The parallel architecture of the pnCCD and CAMEX allows lownoise readout of a full 384 × 384 pixel image within ≪8 ms. Full size prototypes of the detector system are currently under test. Another application are detectors for the evolving X-ray free electron lasers, a new generation of synchrotron light sources. X-ray FEL facilities provide pulses of coherent X-ray light of high brilliance in the energy range of below 0.3 keV up to 24 keV. New prototype pnCCDs for these applications have a size of 512x1024 pixels and are readout with 8 CAMEX chips operating in parallel to archive a frame rate of up to 200Hz.
Starting Page	2952
Ending Page	2957
File Size	5172388
Page Count	6
File Format	PDF
ISBN	9781424427147
ISSN	10957863
DOI	10.1109/NSSMIC.2008.4774983
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	X-ray imaging Detectors CMOS technology Extraterrestrial measurements Weight measurement Semiconductor device measurement Optical imaging Telescopes Satellites Pixel
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
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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