Title :
Low-noise readout channel with a novel dynamic signal compression for future X-FEL applications
Author :
D. Comotti;L. Fabris;M. Grassi;L. Lodola;P. Malcovati;M. Manghisoni;L. Ratti;V. Re;G. Traversi;C. Vacchi;G. Batignani;S. Bettarini;G. Casarosa;F. Forti;F. Morsani;A. Paladino;E. Paoloni;G. Rizzo;M.A. Benckechkache;G.F. Dalla Betta;R. Mendicino;L. Pancheri
Author_Institution :
Universit? di Pavia, Dipartimento di Ingegneria Industriale e dell´Informazione, Via Ferrata 1, I-27100, Italy
Abstract :
This work presents the design of a read-out channel suitable for application to silicon pixel detectors for the next generation Free Electron Laser (FEL) experiments. The readout architecture, which has been carried out in a 65 nm CMOS technology, consists of a low-noise charge sensitive amplifier (CSA) with dynamic signal compression, a time-variant shaping stage and a low-power analog-to-digital converter (ADC), hosted in a 100 μm-pitch pixel. The blocks will be operated in such a way to cope with the high frame rates (exceeding 1 MHz) foreseen for future X-ray FEL machines. The paper describes in detail the architecture and the performance of the CSA and provides an overview about the analog readout channel.
Keywords :
"Capacitance","Photonics","Logic gates","Detectors","Threshold voltage","Dynamic range","MOS devices"
Conference_Titel :
Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2014 IEEE
DOI :
10.1109/NSSMIC.2014.7431119
