CATIA: APD readout ASIC for the CMS phase 2 ECAL electronics upgrade
Proceedings of Topical Workshop on Electronics for Particle Physics — PoS(TWEPP2019)(2020)
Abstract
The incoming LHC upgrade to HL-LHC calls for a change of the ECAL front-end electronics design in order to maintain the present performance of the detector while facing a higher instantaneous luminosity and to optimize the timing resolution while using the existing crystals and APDs.The design of the new front-end electronics is based on the cascading of two ASIC: a fast, dual gain trans-impedance amplifier designed in a 130 nm CMOS process (named CATIA) and a dual ADC designed in a 65 nm CMOS process.The latest test-beam and laboratory test results of CATIA coupled with an ADC will be presented.
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Detector Performance
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