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A preamplifier for the front-end readout system of particles tracking in secondary electron detectors

AuthorsGarzón-Camacho, Alejandro ; Fernández-Martínez, B. ; Álvarez, M. A. G. ; Ceballos-Cáceres, J. ; Rosa, José M. de la
Issue Date2012
PublisherInstitute of Electrical and Electronics Engineers
CitationIEEE International Symposium on Circuits and Systems (ISCAS): 1171-1174 (2012)
AbstractThis paper presents the design and characterization of a preamplifier used in the electronic front-end of low-pressure gaseous secondary electron detectors. The circuit - implemented in a printed circuit board as a proof of concept - has been designed to cope with the specifications of the readout electronics used in spatial resolution measurements. Experimental results show a transimpedance gain of 80dB, an overall voltage gain of 18 dB, a peak signal-to-noise ratio of 36.5 dB and a shaping time frame of 140-170ns. These features improve the performance of previous reported approaches to the problem, and allow us to minimize the overlapping probability in secondary electron detections for radioactive ion beams tracking, achieving a counting rate higher than 106 particles per second.
DescriptionComunicación presentada al "ISCAS 2012" celebrado en Seúl (Corea del Sur) del 20 al 23 de Mayo del 2012.
Publisher version (URL)http://dx.doi.org/10.1109/ISCAS.2012.6271442
Identifiersdoi: 10.1109/ISCAS.2012.6271442
isbn: 978-1-4673-0218-0
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(CNA) Libros y partes de libros
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