针对目前SQUID超导量子实验对低噪声以及微弱信号测量精度、灵敏度、采集速度等的需求，本文基于单片机STM32H750核心板和AD8429放大器，制作了一款SQUID实验数据测量系统. 由单片机实测曲线图，经过处理分析得出超导量子信号RMS噪声值为2.009 μV，与理论极限噪声值比较接近. 系统还测得了环形液滴约瑟夫森结干涉效应曲线，其周期整齐均等，且峰-峰值基本一致. 实验表明该系统具有一定的稳定性和准确性，可为研发大学物理SQUID演示仪奠定基础.

1.College of Science, Northeastern University, Shenyang 110819, China; 
2. College of Information Science and Engineering, Northeastern University, Shenyang 110819, China)
Abstract:To meet the current requirements of lownoise, high precision, and high sensitivity measurements in SQUID quantum experiments, in this paper a SQUID experimental data measurement system is presented based on a singlechip STM32H750 core board and an AD8429 amplifier. By processing and analyzing the experimental curve obtained from the singlechip, the RMS noise value of superconducting quantum signal is determined to be 2.009 μV, which is close to the theoretical limit noise value. Additionally, the interference effect curve of the ringshaped liquid droplet Josephson junction is also measured by the system, in which periodicity is regular and uniform, and peaktopeak values are approximately consistent. The experimental results show that the system exhibits excellent stability and accuracy, which may lay the foundation for the development of university physics SQUID demonstration instruments.