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.
Low-noise readout channel with a novel dynamic signal compression for future X-FEL applications / Comotti, D.; Fabris, L.; Grassi, M.; Lodola, L.; Malcovati, P.; Manghisoni, M.; Ratti, L.; Re, V.; Traversi, G.; Vacchi, C.; Batignani, G.; Bettarini, S.; Casarosa, G.; Forti, F.; Morsani, F.; Paladino, A.; Paoloni, E.; Rizzo, G.; Benckechkache, M. A.; Dalla Betta, G. F.; Mendicino, R.; Pancheri, L.; Verzellesi, Giovanni; Xu, H.. - (2014), pp. 1-6. (Intervento presentato al convegno IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014 tenutosi a Seattle, WA, USA nel 8-15 Nov. 2014) [10.1109/NSSMIC.2014.7431119].
Low-noise readout channel with a novel dynamic signal compression for future X-FEL applications
VERZELLESI, Giovanni;
2014
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.Pubblicazioni consigliate
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