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Experimental behavior of a two-chip charge amplifier for high-stability spectroscopy systems

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4 Author(s)
M. Sampietro ; Dipartimento di Elettronica a Inf., Politecnico di Milano, Italy ; C. Guazzoni ; H. Cruciata ; P. Lechner

We present the first experimental characterization of an innovative two-chip detector system for X-ray spectroscopy experiments in which stability of operation is mandatory to avoid on-line calibration procedures. The system is based on a silicon drift detector and on a charge amplifier partly integrated in the detector chip. The design guidelines of both the “detector chip” produced on a high resistivity substrate and the “amplifier chip” designed in 0.8-μm BiCMOS technology are reviewed. The proper functionality of each of the two chips and the performance of the whole system have been experimentally verified

Published in:

IEEE Transactions on Nuclear Science  (Volume:48 ,  Issue: 4 )