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Proceedings Paper

Multichannel acquisition system with photomultiplier detectors
Author(s): Michal Bohdanowicz; Grzegorz Kasprowicz
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Paper Abstract

This article describes design of a new multichannel acquisition system with photomultiplier tubes (PMTs). The system allows mean current measurement and photon counting for 2 PMT coincident operation. In order to obtain very high dynamic range, signal from the PMT is sampled by 14 bit resolution ADC and analyzed by high speed window discriminators and constant fraction discriminators (CFD). Output data is processed in the FPGA and transmitted to the embedded computer. The system has been developed for astrophysical and high energy physics research.

Paper Details

Date Published: 6 August 2009
PDF: 7 pages
Proc. SPIE 7502, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2009, 750221 (6 August 2009); doi: 10.1117/12.837993
Show Author Affiliations
Michal Bohdanowicz, Warsaw Univ. of Technology (Poland)
Grzegorz Kasprowicz, Warsaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 7502:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2009

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