期刊
JOURNAL OF INSTRUMENTATION
卷 18, 期 2, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1748-0221/18/02/C02018
关键词
Front-end electronics for detector readout; Calorimeters; Noble liquid detectors (scintillation; ionization; double-phase)
The upgraded HL-LHC requires a new radiation tolerant ATLAS LAr Calorimeter readout operating at 40 MHz with 16-bit dynamic range. The FEB2 provides the front-end readout for the calorimeter and interfaces with custom ASICs due to radiation tolerance requirements. The COLUTA is a 65 nm CMOS custom 8-channel 15-bit 40 MSPS ADC ASIC developed for this application. This contribution presents the performance results of the final prototype of the COLUTA, surpassing specifications at >11.5 ENOB for relevant frequencies, as well as non-linearity and radiation requirements. Preliminary integration results of the front-end readout components are described using the FEB2 Pre-Prototype, the Slice Testboard.
The upgraded High-Luminosity Large Hadron Collider (HL-LHC) requires a new radiation tolerant ATLAS Liquid Argon (LAr) Calorimeter readout operating at 40 MHz with 16-bit dynamic range. The Front-End Board 2 (FEB2) will provide the front-end readout for the calorimeter, and will interface a series of custom ASICs due to radiation tolerance requirements of the HL-LHC. The COLUTA is a 65 nm CMOS custom 8-channel 15-bit 40 MSPS ADC ASIC developed for this application. This contribution will present performance results of the final prototype of the COLUTA, surpassing specifications at >11.5 ENOB for relevant frequencies, as well as non-linearity and radiation requirements. Preliminary integration results of the front-end readout components will also be described by means of the FEB2 Pre-Prototype, the Slice Testboard.
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