CMB-S4的TDM读出系统的端到端建模
天体物理仪器与方法
2023-11-21 v2
摘要
CMB-S4实验正在开发下一代地基微波望远镜，以空前灵敏度观测宇宙微波背景。这需要将100 mK探测器数量增加一个数量级，进而加大对读出系统的需求。CMB-S4读出将采用时分复用(TDM)，利用更快的开关与放大器以实现更高的复用因子。为便于新读出系统的设计，我们开发了一个模型，可预测该电路及其互连的带宽与噪声性能。随后利用该模型对各个组件设定要求，以满足整个系统所需的性能。我们给出该模型的概览，并将模型结果与遗留及原型读出硬件的性能进行比较。
引用
@article{arxiv.2311.04424,
title = {End-to-End Modeling of the TDM Readout System for CMB-S4},
author = {David C. Goldfinger and Zeeshan Ahmed and Darcy R. Barron and W. Bertrand Doriese and Malcolm Durkin and Jeffrey P. Filippini and Gunther Haller and Shawn W. Henderson and Ryan Herbst and Johannes Hubmayr and Kent Irwin and Ben Reese and Leonid Sapozhnikov and Keith L. Thompson and Joel Ullom and Michael R. Vissers},
journal= {arXiv preprint arXiv:2311.04424},
year = {2023}
}
备注
This manuscript was submitted to the Journal of Low Temperature Physics as part of the special issue "LTD20", supporting the conference contribution RP-005