摘要
基于高能同步辐射光源(HEPS)储存环,研制了一套逐束团束流位置测量(BPM)电子学系统,电子学的硬件部分由模拟信号采集板卡和数字信号处理板卡组成,软件部分由底层固件和顶层应用软件组成。系统的采样频率为500 MHz,带宽为1 GHz,对来自储存环BPM探头的4路模拟信号进行数字化,得到束团幅度数据,利用ZYNQ芯片计算出每个束团在真空管道中的位置。逐束团BPM电子学在实验室的测试结果为:输入信号峰峰值小于1.8 V时ADC通道非线性度小于1%,无杂散动态范围约60 dB,灵敏度系数取8.26 mm时位置分辨率优于10μm,测试结果满足HEPS逐束团BPM的需求。
A bunch-by-bunch beam position measurement(BPM)electronics for High Energy Photon Source(HEPS)storage ring was designed.The hardware of electronics consists of analog signal acquisition board and digital signal processing board.The software consists of underlying firmware and application software.The sampling frequency is 500 MHz,and the bandwidth is 1 GHz.The electronics digitizes four analog signals from BPM probe of storage ring,and obtains the amplitude of beam signal.ZYNQ chip was used to process the beam data and calculate the position of each bunch.Electronics test results in the laboratory is that the nonlinearity of ADC channels is less than 1%when the peak-to-peak value of input signal is less than 1.8 V,and spurious-free dynamic range is about 60 dB.When the sensitivity coefficient is 8.26 mm,the beam position resolution is less than 10μm.The test results meet the needs of HEPS.
作者
张醒儿
张琪
曹建社
叶强
麻惠洲
马宇飞
杜垚垚
黄玺洋
魏书军
岳军会
随艳峰
ZHANG Xinger;ZHANG Qi;CAO Jianshe;YE Qiang;MA Huizhou;MA Yufei;DU Yaoyao;HUANG Xiyang;WEI Shujun;YUE Junhui;SUI Yanfeng(Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China;University of Chinese Academy of Sciences,Beijing 100049,Chin)
出处
《原子能科学技术》
EI
CAS
CSCD
北大核心
2020年第9期1709-1714,共6页
Atomic Energy Science and Technology
基金
中国科学院青年创新促进会资助项目(2016011)。
