Very Low Noise Multiplexing with SQUID and SiGe HBTs For Readout of Large Superconducting Bolometer Arrays - Sorbonne Université
Article Dans Une Revue Journal of Low Temperature Physics Année : 2008

Very Low Noise Multiplexing with SQUID and SiGe HBTs For Readout of Large Superconducting Bolometer Arrays

E. Bréelle
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M. Piat
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D. Prêle
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  • PersonId : 921365
Gérard Sou
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  • IdHAL : gerardsou

Résumé

This paper presents an ultra low noise instrumentation based on a standard BiCMOS SiGe 0.35 μm ASIC operating at cryogenic temperatures. The main functions of the electronic circuit are the readout and the multiplexing of SQUIDs/TES. We report the cryogenic operation of the ASIC dedicated to the readout of a 2×4 pixel demonstrator array. We particularly emphasize on the development and the test phases of an ultra low noise (0.2 nV/sqrt Hz) cryogenic amplifier designed with two multiplexed inputs. The cryogenic SiGe amplifier coupled to a SQUID in a FLL operating at 4.2 K is also presented

Dates et versions

hal-00568093 , version 1 (22-02-2011)

Identifiants

Citer

F. Voisin, E. Bréelle, M. Piat, D. Prêle, Geoffroy Klisnick, et al.. Very Low Noise Multiplexing with SQUID and SiGe HBTs For Readout of Large Superconducting Bolometer Arrays. Journal of Low Temperature Physics, 2008, 151 (3-4), pp.1028-1033. ⟨10.1007/s10909-008-9777-7⟩. ⟨hal-00568093⟩
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