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Design of Front End Electronics and a Full Scale 4k Pixel Readout ASIC for the DSSC X-ray Detector at the European XFEL

Erdinger, Florian

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Abstract

The goal of this thesis was to design a large scale readout ASIC for the 1-Mega pixel DEPFET Sensor with Signal Compression (DSSC) detector system which is being developed by an international collaboration for the European XFEL (EuXFEL). Requirements for the DSSC detector include single photon detection down to 0.5 keV combined with a large dynamic range of up to 10000 photons at frame rates of up to 4.5 MHz. The detector core concepts include full parallel readout, signal compression on the sensor or ASIC level, filtering, immediate digitization and local storage within the pixel. The DSSC is a hybrid pixel detector, each sensor pixel mates to a dedicated ASIC pixel, which includes the entire specified signal processing chain along with auxiliary circuits. One ASIC comprises 4096 pixels and a full periphery including biasing and digital control. This thesis presents the design of the ASIC, its components and integration are decribed in detail. Emphasis is put on the design of the analog front-end. The first full format ASIC (F1) has been fabricated within the scope of this thesis along with numerous test chips. Furthermore, the EuXFEL and the DSSC detector system are presented to create the context for the ASIC, which is the core topic of this thesis.

Item Type: Dissertation
Supervisor: Fischer, Prof. Dr. Peter
Date of thesis defense: 22 November 2016
Date Deposited: 07 Dec 2016 06:59
Date: 2016
Faculties / Institutes: Service facilities > Institut f. Technische Informatik (ZITI)
Subjects: 000 Generalities, Science
530 Physics
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