Time-division superconducting quantum interference device multiplexer for transition-edge sensors

被引：147

作者：

de Korte, PAJ

Beyer, J

Deiker, S

Hilton, GC

Irwin, KD

MacIntosh, M

Nam, SW

Reintsema, CD

Vale, LR

Huber, ME

机构：

[1] Natl Inst Stand & Technol, Boulder, CO 80303 USA

[2] Univ Colorado, Dept Phys, Denver, CO 80217 USA

[3] Astron Technol Ctr, Edinburgh, Midlothian, Scotland

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2003年 / 74卷 / 08期

关键词：

D O I：

10.1063/1.1593809

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report on the design and performance of our second-generation 32-channel time-division multiplexer developed for the readout of large-format arrays of superconducting transition-edge sensors. We present design issues and measurement results on its gain, bandwidth, noise, and cross talk. In particular, we discuss noise performance at low frequency, important for long uninterrupted submillimeter/far-infrared observations, and present a scheme for mitigation of low-frequency noise. Also, results are presented on the decoupling of the input circuit from the first-stage feedback signal by means of a balanced superconducting quantum interference device pair. Finally, the first results of multiplexing several input channels in a switched, digital flux-lock loop are shown. (C) 2003 American Institute of Physics.

引用

页码：3807 / 3815

页数：9

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