Experimental evaluation of the SNR in counting detectors under pile-up conditions
Debora Magalhaes,
Pablo Fajardo,
Pawel Grybos
et al.
Abstract:As a follow-up of a Signal-to-Noise Ratio (SNR) study presented previously, this work
discusses the experimental results obtained for the statistical analysis of photon counting
detector measurements. The test device is a hybrid assembly built with a pixelated 400 μm thick
electron collection Si sensor bump-bonded to a SPHIRD test readout ASIC. The analog front-end in
each pixel of the ASIC produces a pulse of tens of nanoseconds for each X-ray hit, and its digital
circuitry implements both amplitude… Show more
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