Low noise front end ICECAL ASIC for the Upgrade of the LHCb Calorimeter

E. Picatoste; D. Gascón; C. Abelln; J. Lefrançois; F. Machefert; O. Duarte; E. Grauges; L. Garrido; X. Vilasis

doi:10.1088/1748-0221/7/01/C01080

Low noise front end ICECAL ASIC for the Upgrade of the LHCb Calorimeter

E. Picatoste, D. Gascón, C. Abelln, J. Lefrançois, F. Machefert, O. Duarte, E. Grauges, L. Garrido, X. Vilasis

Facultat Internacional de Comerç i Economia Digital La Salle

Producció científica: Article en revista indexada › Article › Avaluat per experts

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Resum

A fully differential ASIC with cooled input termination is presented as a solution for the Upgrade of the Calorimeter front end electronics. The LHCb experiment needs to increase about ten times the integrated luminosity in order to study new physics. The increase in signal has to be compensated reducing the gain of the photomultipliers which implies stringent noise requirements. The proposed solution offers an active termination at the input and avoids the noise originated by the use of a resistor. The circuit is based on a two interleaved channel with a first amplifier stage, a switched integrator, and a Track-and-Hold. Two prototypes have been implemented and tested in SiGe BiCMOS 0.35um technology.

Idioma original	Anglès
Número d’article	C01080
Revista	Journal of Instrumentation
Volum	7
Número	1
DOIs	https://doi.org/10.1088/1748-0221/7/01/C01080
Estat de la publicació	Publicada - de gen. 2012

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abstract = "A fully differential ASIC with cooled input termination is presented as a solution for the Upgrade of the Calorimeter front end electronics. The LHCb experiment needs to increase about ten times the integrated luminosity in order to study new physics. The increase in signal has to be compensated reducing the gain of the photomultipliers which implies stringent noise requirements. The proposed solution offers an active termination at the input and avoids the noise originated by the use of a resistor. The circuit is based on a two interleaved channel with a first amplifier stage, a switched integrator, and a Track-and-Hold. Two prototypes have been implemented and tested in SiGe BiCMOS 0.35um technology.",

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AU - Picatoste, E.

AU - Gascón, D.

AU - Abelln, C.

AU - Lefrançois, J.

AU - Machefert, F.

AU - Duarte, O.

AU - Grauges, E.

AU - Garrido, L.

AU - Vilasis, X.

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AB - A fully differential ASIC with cooled input termination is presented as a solution for the Upgrade of the Calorimeter front end electronics. The LHCb experiment needs to increase about ten times the integrated luminosity in order to study new physics. The increase in signal has to be compensated reducing the gain of the photomultipliers which implies stringent noise requirements. The proposed solution offers an active termination at the input and avoids the noise originated by the use of a resistor. The circuit is based on a two interleaved channel with a first amplifier stage, a switched integrator, and a Track-and-Hold. Two prototypes have been implemented and tested in SiGe BiCMOS 0.35um technology.

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KW - Instrumentation for particle accelerators and storage rings - high energy (linear accelerators, synchrotrons)

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Low noise front end ICECAL ASIC for the Upgrade of the LHCb Calorimeter

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