A BiCMOS synchronous pulse discriminator for the LHCb calorimeter system

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A monolithic prototype for the analogue readout of the Scintillator Pad Detector (SPD) of the LHCb calorimeter is presented. A low power version that works at 3.3 V has been designed using the 0.8 mu m Bi CMOS technology of AMS. It consists of a charge discriminator with a dual path structure formed...

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Detalles Bibliográficos
Autores principales: Bota, S, Diéguez, A, Gascón, D, Graciani, R
Lenguaje:eng
Publicado: CERN 2002
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.5170/CERN-2002-003.334
http://cds.cern.ch/record/619291
Descripción
Sumario:A monolithic prototype for the analogue readout of the Scintillator Pad Detector (SPD) of the LHCb calorimeter is presented. A low power version that works at 3.3 V has been designed using the 0.8 mu m Bi CMOS technology of AMS. It consists of a charge discriminator with a dual path structure formed by an integrator, a pile-up correction, a subtractor and a comparator. The chip also includes a DAC and serial digital control interface to program the threshold of the discriminator. Design, simulation and test results for different prototypes of the circuit will be presented and described. (8 refs).

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