Mainz 2004 – wissenschaftliches Programm

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T: Teilchenphysik

T 206: Trigger und DAQ II

T 206.1: Vortrag

Dienstag, 30. März 2004, 14:00–14:15, HS VII

Study of a TPC readout electronics based on Time-to-Digital Converters. — •Alexander Kaukher1, Henning Schröder1, Rainer Wurth2, Markus Ball3, Markus Hamann3, Matthias Enno Janssen3, Thorsten Kuhl2, Thorsten Lux3, Felix Sefkow2, and Peter Wienemann21University of Rostock, Rostock, Germany — 2DESY, Hamburg, Germany — 3University of Hamburg, Hamburg, Germany

The state-of-the-art readout electronics for existing Time-Projection-Chambers (TPC) is based on the consuming large amount of electrical power and quite expensive Flash-ADCs. We study an alternative solution with a Time-to-Digital Converter (TDC) and charge-to-time conversion technique. The possibility to apply this technique using the ASDQ integrated circuit and commercial TDC was studied.

The readout electronics based on the TDCs as a compact and not expensive solution may provide reduced data rate and natural data representation format. This readout architecture, for example, would allow to use a larger number of readout channels, hence would improve the momentum resolution of the TPC.

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