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Proceedings Paper

First results of DEPFET-based active-pixel-sensor prototypes for the XEUS wide-field imager
Author(s): Johannes Treis; Peter Fischer; Olaf Halker; Matthias Harter; Sven Herrmann; Robert Kohrs; Hans Krueger; Peter Lechner; Gerhard Lutz; Ivan Peric; Matteo Porro; Rainer H. Richter; Lothar Strueder; Marcel Trimpl; Norbert Wermes
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Paper Abstract

The concept of an Active Pixel Sensor (APS) based on the integrated detector/amplifier structure DEPFET (DEpleted P-channel Field Effect Transistor) has been developed to cope with the challenging requirements of the XEUS Wide Field Imager. The DEPFET-APS combines high energy resolution, fast readout, and random accessible pixels allowing the application of flexible readout modes. First prototypes of DEPFET-based Active Pixel Sensors with a 64 x 64 pixel format and 75 μm x 75 μm pixel area have been produced at the MPI semiconductor laboratory. The APS is read out row by row, i.e. the pixel signals of one row are processed in parallel by a 64 channel CMOS amplifier/multiplexer chip of the CAMEX type. The addressing of one row of pixels for readout and reset is done by two control chips of the SWITCHER type fabricated in a high-voltage CMOS technology. The processing time for one row is of the order of a few micro-seconds. APS operation, the control and data acquisition system are described, and first experimental results are presented.

Paper Details

Date Published: 29 September 2004
PDF: 12 pages
Proc. SPIE 5501, High-Energy Detectors in Astronomy, (29 September 2004); doi: 10.1117/12.551536
Show Author Affiliations
Johannes Treis, Max-Planck-Institut fur extraterrestrische Physik (Germany)
Peter Fischer, Univ. Mannheim (Germany)
Olaf Halker, Max-Planck-Institut fur extraterrestrische Physik (Germany)
Matthias Harter, Univ. Mannheim (Germany)
Sven Herrmann, Max-Planck-Institut fur extraterrestrische Physik (Germany)
Robert Kohrs, Univ. Bonn (Germany)
Hans Krueger, Univ. Bonn (Germany)
Peter Lechner, PNSensor GmbH (Germany)
Gerhard Lutz, Max-Planck-Institut fur Physik (Germany)
Ivan Peric, Univ. Bonn (Germany)
Matteo Porro, Politecnico di Milano (Italy)
Rainer H. Richter, Max-Planck-Institut fur Physik (Germany)
Lothar Strueder, Max-Planck-Institut fur extraterrestrische Physik (Germany)
Marcel Trimpl, Univ. Bonn (Germany)
Norbert Wermes, Univ. Bonn (Germany)


Published in SPIE Proceedings Vol. 5501:
High-Energy Detectors in Astronomy
Andrew D. Holland, Editor(s)

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