The digital pulse shape data acquisition (DAQ)system used by the large area telescopes of the 4 pi-multidetector CHIMERA requires transferring large amount of data to the computer. This is necessary so that the same information can be extracted from the detector pulses as in previous analog based systems. To overcome this problem, we have used a sampling ADC-board equipped with two TigerSHARC digital signal processors. The board receives the data and reconstructs the event parameters online. The data volume is significantly reduced by transmitting to the DAQ only the reconstructed event parameters.
On-board digital signal processing for 4 pi-detector large-area telescopes / F. Amorini, A. Anzalone, G. Cardella, S. Cavallaro, E. De Filippo, P. Guazzoni, E. La Guidara, G. Lanzanò, A. Pagano, S. Pirrone, G. Politi, F. Porto, F. Riccio, F. Rizzo, S. Russo, P. Russotto, L. Zetta. - In: IEEE TRANSACTIONS ON NUCLEAR SCIENCE. - ISSN 0018-9499. - 54:1(2007 Feb), pp. 208-213.
On-board digital signal processing for 4 pi-detector large-area telescopes
P. Guazzoni;L. ZettaUltimo
2007
Abstract
The digital pulse shape data acquisition (DAQ)system used by the large area telescopes of the 4 pi-multidetector CHIMERA requires transferring large amount of data to the computer. This is necessary so that the same information can be extracted from the detector pulses as in previous analog based systems. To overcome this problem, we have used a sampling ADC-board equipped with two TigerSHARC digital signal processors. The board receives the data and reconstructs the event parameters online. The data volume is significantly reduced by transmitting to the DAQ only the reconstructed event parameters.
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