This work presents the design of a low-noise front-end implementing a novel active signal compression technique. This feature can be exploited in the design of analog readout channels for application to the next generation free electron laser (FEL) experiments. The readout architecture includes the low-noise charge sensitive amplifier (CSA) with dynamic signal compression, a time variant shaper used to process the signal at the preamplifier output and a 10-bit successive approximation register (SAR) analog-to-digital converter (ADC). The channel will be operated in such a way to cope with the high frame rate (exceeding 1 MHz) foreseen for future XFEL machines. The choice of a 65 nm CMOS technology has been made in order to include all the building blocks in the target pixel pitch of 100 mu m. This work has been carried out in the frame of the PixFEL Project funded by the Istituto Nazionale di Fisica Nucleare (INFN), Italy.

(2015). Novel active signal compression in low-noise analog readout at future X-ray FEL facilities [journal article - articolo]. In JOURNAL OF INSTRUMENTATION. Retrieved from http://hdl.handle.net/10446/59091

Novel active signal compression in low-noise analog readout at future X-ray FEL facilities

MANGHISONI, Massimo;COMOTTI, Daniele;GAIONI, Luigi;RE, Valerio;TRAVERSI, Gianluca;
2015-01-01

Abstract

This work presents the design of a low-noise front-end implementing a novel active signal compression technique. This feature can be exploited in the design of analog readout channels for application to the next generation free electron laser (FEL) experiments. The readout architecture includes the low-noise charge sensitive amplifier (CSA) with dynamic signal compression, a time variant shaper used to process the signal at the preamplifier output and a 10-bit successive approximation register (SAR) analog-to-digital converter (ADC). The channel will be operated in such a way to cope with the high frame rate (exceeding 1 MHz) foreseen for future XFEL machines. The choice of a 65 nm CMOS technology has been made in order to include all the building blocks in the target pixel pitch of 100 mu m. This work has been carried out in the frame of the PixFEL Project funded by the Istituto Nazionale di Fisica Nucleare (INFN), Italy.
journal article - articolo
2015
Manghisoni, Massimo; Comotti, Daniele; Gaioni, Luigi; Lodola, Luca; Ratti, Lodovico; Re, Valerio; Traversi, Gianluca; Vacchi, Carla
(2015). Novel active signal compression in low-noise analog readout at future X-ray FEL facilities [journal article - articolo]. In JOURNAL OF INSTRUMENTATION. Retrieved from http://hdl.handle.net/10446/59091
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