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Verfasst von:Fiorini, Carlo [VerfasserIn]   i
 Nasri, B. [VerfasserIn]   i
 Facchinetti, S. [VerfasserIn]   i
 Bombelli, L. [VerfasserIn]   i
 Fischer, Peter [VerfasserIn]   i
 Porro, M. [VerfasserIn]   i
Titel:A simple technique for signal compression in high dynamic range, high speed X-ray pixel detectors
Verf.angabe:C. Fiorini, B. Nasri, S. Facchinetti, L. Bombelli, P. Fischer, and M. Porro
E-Jahr:2014
Jahr:October 09, 2014
Umfang:6 S.
Fussnoten:Gesehen am 16.07.2020
Titel Quelle:Enthalten in: Institute of Electrical and Electronics EngineersIEEE transactions on nuclear science
Ort Quelle:New York, NY : IEEE, 1963
Jahr Quelle:2014
Band/Heft Quelle:61(2014), 5, Seite 2595-2600
ISSN Quelle:1558-1578
Abstract:New X-ray pixel detectors are required to cope with the demanding requirements from XFEL sources, in terms of high speed and high dynamic range. Such detectors have to provide low electronics noise to allow single photon detection at low signal intensities. At high photons intensity, a signal compression technique may be introduced to allow the detection system to cope with the required dynamic range. In this work, we propose a very simple front-end (FE) solution based on an input PMOS transistor placed on the CMOS readout chip connected to the pixel detector. The FE is optimized for low-noise readout of X-ray photons at low intensities. A gain compression when the signal intensity increases is obtained by operating the PMOSFET in the triode regime thanks to a resistor placed between the transistor and the current-readout filter. The larger is the transistor signal, the larger is the voltage drop on the resistor which pushes the transistor to operate more in triode regime at lower gain, producing a compression in the overall FE response. The FE working principle and the first experimental results obtained with a first prototype realized in the 130 nm IBM technology are presented.
DOI:doi:10.1109/TNS.2014.2340899
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1109/TNS.2014.2340899
 DOI: https://doi.org/10.1109/TNS.2014.2340899
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:CMOS readout chip
 current-readout filter
 detection system
 Detectors
 Dynamic range
 electronics noise
 front-end solution
 high-dynamic range
 high-speed X-ray pixel detectors
 Iron
 Logic gates
 low-noise readout
 MOSFET circuits
 Noise
 photons intensity
 Pixel detector
 PMOS transistor
 PMOSFET
 readout electronics
 semiconductor counters
 signal compression technique
 signal intensity
 single photon detection
 transistor signal
 Transistors
 X-ray apparatus
 X-ray Free Electron Laser (XFEL)
 XFEL sources
K10plus-PPN:1724937588
Verknüpfungen:→ Zeitschrift

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