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Towards AGIPD1.0: Optimization of the dynamic range and investigation of a pixel input protection
Paul-Scherrer-Institut (PSI), OFLB/006, 5232 Villigen, Switzerland .
Deutsches Elektronensynchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany .
Deutsches Elektronensynchrotron (DESY), Notkestr. 85, 22607 Hamburg, Germany .
Paul-Scherrer-Institut (PSI), OFLB/006, 5232 Villigen, Switzerland .
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2014 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 9, no 6, Art. no. P06001- p.Article in journal (Refereed) Published
Abstract [en]

AGIPD is a charge integrating, hybrid pixel readout ASIC, which is under development for the European XFEL [1,2]. A dynamic gain switching logic at the output of the preamplifier (preamp) is used to provide single photon resolution as well as covering a dynamic range of at least 104·12.4 keV photons [3,4]. Moreover, at each point of the dynamic range the electronics noise should be lower than the Poisson fluctuations, which is especially challenging at the points of gain switching. This paper reports on the progress of the chip design on the way to the first full-scale chip AGIPD1.0, focusing on the optimization of the dynamic range and the implementation of protection circuits at the preamplifier input to avoid pixel destruction due to high intense spots. © 2014 IOP Publishing Ltd and Sissa Medialab srl.

Place, publisher, year, edition, pages
2014. Vol. 9, no 6, Art. no. P06001- p.
Keyword [en]
Instrumentation for FEL, X-ray detectors
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-22620DOI: 10.1088/1748-0221/9/06/P06001ISI: 000340036400014Scopus ID: 2-s2.0-84903639522Local ID: STCOAI: oai:DiVA.org:miun-22620DiVA: diva2:750140
Note

Correspondence Address: Greiffenberg, D.; Paul-Scherrer-Institut (PSI), OFLB/006, 5232 Villigen, Switzerland; email: dominic.greiffenberg@psi.ch

Available from: 2014-09-26 Created: 2014-08-20 Last updated: 2017-03-06Bibliographically approved

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