Development of an FPGA-based data acquisition module for small animal PET

Hegyesi, G. (author)

Imrek, J. (author)

Kalinka, G. (author)

Molnár, J. (author)

Novák, D. (author)

Végh, J. (author)

Balkay, L. (author)

Emri, M. (author)

Molnár, G. (author)

Trón, L. (author)

Bagaméry, I. (author)

Bükki, T. (author)

Rózsa, S. (author)

Szabó, Z. (author)

(creator_code:org_t)

2004
2004
English.
In: 2004 IEEE Nuclear Science Symposium Conference Record. - 0780387007 ; , s. 2957-2961

Abstract Subject headings

We report on the design of a DAQ module for a small animal PET camera developed at our institutes. During the design an important guideline was to develop a system which is built up from strictly identical DAQ modules, and which has no built-in hardware limitation on the maximum number of modules. The developed DAQ module comprises of an LSO scintillator crystal block, a position sensitive PMT, analog signal conditioning circuits, a digitizer, an FPGA for digital signal processing and a communication module through which the collected data is sent to a cluster of computers for post processing and storage. Instead of implementing hardware coincidence detection between the modules we attach a precise time-stamp to each event in our design, and the coincidence is determined by the data collecting computers during the post processing. The digital CFD algorithm implemented in the FPGA gives a time resolution of 2 to 3 ns FWHM for real detector signals.

By the author/editor: Hegyesi, G.; Imrek, J.; Kalinka, G.; Molnár, J.; Novák, D.; Végh, J.; show more...; Balkay, L.; Emri, M.; Molnár, G.; Trón, L.; Bagaméry, I.; Bükki, T.; Rózsa, S.; Szabó, Z.; Kerek, Andras; show less...

About the subject

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