Cryogenic SiGe ASICs for readout and multiplexing of superconducting detector arrays

被引:0
作者
Sou, G. [1 ]
Klisnick, G. [1 ]
Redon, M. [1 ]
Voisin, F. [2 ]
Prele, D. [2 ]
Breelle, E. [2 ]
Piat, M. [2 ]
机构
[1] Univ Paris 06, EA 2385, L2E, F-75252 Paris 05, France
[2] Univ Denis Diderot Paris 7, UMR 7164, Lab Astroparticule & Cosmol, Paris, France
关键词
Cryoelectronics; Instrumentation; SQUID systems;
D O I
10.1016/j.cryogenics.2008.12.007
中图分类号
O414.1 [热力学];
学科分类号
摘要
This paper presents an ultra low noise instrumentation based on cryogenic electronic integrated circuits (ASICs: Application Specific Integrated Circuits). We have designed successively two ASICs in standard BiCMOS SiGe 0.35 mu m technology that have proved to be operating at cryogenic temperatures. The main functions of these circuits are the readout and the multiplexing of TES/SQUID arrays. We report the cryogenic operation of a first ASIC version dedicated to the readout of a 2 x 4 pixel demonstrator array. We particularly emphasize on the development and the test phases of an ultra low white noise (0.2 nV/sqrtHz) 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. We finally report on the development of a second version of this circuit to readout a 3 x 8 detectors array with improved noise performances and upgraded functionalities. (C) 2009 Elsevier Ltd. All rights reserved.
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页码:681 / 685
页数:5
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