001     129096
005     20250129092452.0
037 _ _ |a FZJ-2013-00617
041 _ _ |a English
100 1 _ |a Wüstner, Peter
|0 P:(DE-Juel1)133959
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|e Corresponding author
111 2 _ |a 2012 IEEE Real-Time Conference
|g IEEE RT2012
|c Berkeley, California
|d 2012-06-11 - 2012-06-15
|w USA
245 _ _ |a Sophisticated Online Analysis in ADC Boards
260 _ _ |c 2012
336 7 _ |a Conference Paper
|0 33
|2 EndNote
336 7 _ |a INPROCEEDINGS
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520 _ _ |a For the readout of the calorimeter of the WASA at COSY experiment a QDC board using sampling ADCs and FPGAs to perform the pulse integration was developed. In the initial version only a simple pulse finding algorithm was implemented in order to avoid delay cables by storing the digitized signals in a pipeline of a few microseconds. Recently a new version with 16 ADCs at a sample rate of 240 MHz and 12 Bit resolution was developed for tests of cylindrical drift chambers (straw tubes) in the Straw Tube Tracker of the PANDA experiment. The goal was to measure the energy loss by charge readout in addition to drift time measurement. Due to the irregular cluster structure of the straw signals complex algorithms for pulse finding, pulse feature extraction and triggering were implemented. The algorithm can detect pile up and find pulse groups. Integration is possible over single pulses and over complete groups. Different methods for the calculation of starting time, including constant fraction, are implemented. Internal trigger generation depends on various criteria, e.g. slew rate, amplitude or sum of consecutive samples.
536 _ _ |a 53G - COSY (POF2-53G32)
|0 G:(DE-HGF)POF2-53G32
|c POF2-53G32
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700 1 _ |a Erven, Andreas
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700 1 _ |a Erven, Wilhelm
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700 1 _ |a Kemmerling, Günter
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700 1 _ |a Kleines, Harald
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700 1 _ |a Kulessa, Pawel
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700 1 _ |a Maciniewski, Pawel
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700 1 _ |a Ohm, Henner
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700 1 _ |a Pysz, Krzysztof
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700 1 _ |a Serdyuk, Valeriy
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700 1 _ |a van Waasen, Stefan
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|b 10
700 1 _ |a Wintz, Peter
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909 C O |p VDB
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910 1 _ |a Zentralinstitut für Elektronik
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913 1 _ |a DE-HGF
|b Struktur der Materie
|l Physik der Hadronen und Kerne
|1 G:(DE-HGF)POF2-530
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914 1 _ |y 2012
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LibraryCollectionCLSMajorCLSMinorLanguageAuthor
Marc 21