Two-Level Switches for Advanced Time-Division Multiplexing
Two-Level Switches for Advanced Time-Division Multiplexing
复制标题
用于高级时分复用的两级开关
DOI：
10.1109/tasc.2019.2903394
复制
发表时间：
2019
影响因子：
1.8
通讯作者：
B. Young
中科院分区：
文献类型：
--
作者：
C. Dawson;S. Chaudhuri;C. Titus;Hsiao;E. Denison;W. Doriese;M. Durkin;C. T. FitzGerald;G. Hilton;K. Irwin;Dale Li;G. O’Neil;C. Reintsema;Zach Steffen;R. Stevens;D. Swetz;J. Ullom;L. Vale;J. Weber;B. Young
基于超导量子干涉器件（SQUID）的时分复用（TDM）是一种成熟且广泛实施的用于读取过渡边缘传感器阵列的技术。随着现代阵列中像素数量的不断增加，需要更高的复用因子来减少导线和放大器通道的数量。然而，随着复用因子的增加，行选择线（用于在二维配置中打开一行TDM SQUID）的数量也增加，从而限制了阵列线的减少。我们提出了一个更先进的TDM架构，实现像素的子组之间的多级切换。我们表明，这种技术可以显着减少所需的行选择线的数量。我们还介绍了包含两级开关的TDM多路复用器的设计、制造和测试，该开关为每组十个TDM像素实现第二个开关。在该实现中，可以使用十个组选择布线对和十个行选择布线对来解决复用因子100。我们演示了多路复用器的功能，并提出了这种新的TDM多路复用器的测量工作裕度。
Superconducting quantum interference device (SQUID)-based time-division multiplexing (TDM) is a mature and widely implemented technology used to read out transition-edge sensor arrays. As the number of pixels in modern arrays continues to increase, a higher multiplexing factor is required to reduce the number of wires and amplifier channels. However, as the multiplexing factor is increased, the number of row-select wires (used to turn on a row of TDM SQUIDs in a two-dimensional configuration) also increases, limiting the reduction in array wires. We present a more advanced TDM architecture that implements multi-level switching between subgroups of pixels. We show that this technique can dramatically reduce the number of required row-select lines. We also present the design, fabrication, and testing of a TDM multiplexer incorporating a two-level switch, which implements a second switch for each group of ten TDM pixels. In this implementation, a multiplexing factor of 100 can be addressed using ten group-select wiring pairs and ten row-select wiring pairs. We demonstrate multiplexer functionality and present measured operating margins of this new TDM multiplexer.