Production and Testing of the LHCb Outer Tracker Front End Readout Electronics

Details Production and Testing of the LHCb Outer Tracker Front End Readout Electronics Production and Testing of the LHCb Outer Tracker Front End Readout Electronics

2007-11-27

arxiv.org/abs/0711.4253v1

TWEPP 2007 proceedings

Physics

Instrumentation and Detectors

5 pages

Scientific paper

The LHCb Outer Tracker is a straw drift detector with a modular design and a total of 53760 readout channels distributed over a sensitive area of 12 double layers of 6x5 m2 each. The main electronics readout requirement is the precise (0.5 ns) drift time measurement at an occupancy of 4% and 1 MHz readout. A total of 128 channels are read out by one Front-End box. About half of the FE-Boxes have been built. Quality Assurance during the production has been performed on single FE-Box components. The assembled FE-Box is finally commissioned using a special FE-Tester. The FE-Tester is a programmable pulser with a time resolution of 150 ps capable to simulate all the functionality of the readout mimicking the real detector. Consequently, problems have been found and solved resulting in good overall performance.

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