The front-end electronics system for the CUORE experiment
Claudio Arnaboldi, Paolo Carniti, Lorenzo Cassina, Claudio Gotti,, Xiaohua Liu, Gianluigi Pessina

TL;DR
This paper details the design and performance of the front-end electronics system for the CUORE and CUPID-0 experiments, emphasizing stability and novel solutions for long-term operation of cryogenic calorimeters.
Contribution
It presents a comprehensive overview of the electronic readout chain, including innovative preamplifier and bias circuit designs ensuring stability during extended runs.
Findings
Achieved high stability suitable for long-term cryogenic experiments
Developed novel preamplifier solutions for low-noise readout
Demonstrated effective performance of the entire electronic system
Abstract
CUORE is an array of thermal calorimeters composed of 988 crystals held at about 10 mK, whose absorbed energy is read out with semiconductor thermistors. The composition of the crystal is TeO2, and the aim is the study of the double beta decay of 130Te on very long and stable runs. CUPID-0 is an array of 26 Zn82Se crystals with double thermistor readout to study the double beta decay of 82Se. In the present paper, we present an overview of the entire front-end electronic readout chain, from the preamplifier to the anti-aliasing filter. This overview includes motivations, design strategies, circuit implementation and performance results of the electronic system, including other auxiliary yet important elements like power supplies and the slow control communication system. The stringent requirements of stability on the very long experimental runs that are foreseen during CUORE and CUPID-0…
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