Author: Yang, J.
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Development of Digital Beam Position Monitor for HEPS  
  • Y.Y. Du, J.S. Cao, Y.F. Ma, Y.F. Sui, S.J. Wei, J. Yang, Q. Ye, J.H. Yue, X.E. Zhang
    IHEP, Beijing, People’s Republic of China
  High Energy Photon Source (HEPS) is a proposed the new generation light source with beam energy of 6GeV, high brightness and ultra-low beam emittance. A Digital BPM has been designed in IHEP as a R&D program to meet all requirements of both injection system and storage ring. The RF BPM architecture consists of an Analog Front-End (AFE) board and a Digital Front-End board (DFE) based on a custom platform. In this paper, we present the overall architecture of the RF BPM electronics system and performance evaluation of its first prototype, comprehending beam current, filling pattern and position measurement resolution as a function of the beam current.  
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