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Dresden 2013 – scientific programme

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T: Fachverband Teilchenphysik

T 76: DAQ, Trigger und Elektronik 1

T 76.6: Talk

Wednesday, March 6, 2013, 18:05–18:20, GER-039

Towards wireless data readout of particle detectors — •Sebastian Dittmeier, André Schöning, Dirk Wiedner, Niklaus Berger, Jens Petersen, and Thomas Hugle — Physikalisches Institut Universität Heidelberg

Today’s high energy physics experiments produce large amounts of data in a short time. The fast readout of this data is a big challenge. The license-free 60 GHz band allows for short distance applications with high data rates of the order of several Gb/s. The transceivers can be produced in SiGe HBT BiCMOS technology. As we are dealing with mm-waves, even antennas, which increase the directivity of the transmission, can be built in small structures. So, this technique seems very promising for the readout of particle detectors. For example, it can be used for the readout of the upgraded ATLAS silicon micro-strip tracker and make a first level track trigger feasible.

We present first results of our tests with semi-commercially available 60 GHz transceivers regarding the usage in a high energy physics experiment. We examined the intensity of the carrier signal regarding reflectivity and absorption using graphite foam. Moreover, we tested the directivity of a horn antenna made from Kapton. We furthermore investigated the quality of a modulated signal with respect to bit errors using pseudo-random data as well as real data files.

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