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White Rabbit Based Beam-Synchronous Timing Systems for SHINE |
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- Y.B. Yan, G.H. Chen, Q.W. Xiao, P.X. Yu
SSRF, Shanghai, People’s Republic of China
- G.H. Gong
Tsinghua University, Beijing, People’s Republic of China
- J.L. Gu, Z.Y. Jiang, L. Zhao
USTC, Hefei, Anhui, People’s Republic of China
- Y.M. Ye
TUB, Beijing, People’s Republic of China
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Shanghai HIgh repetition rate XFEL aNd Extreme light facility (SHINE) is under construction. SHINE requires precise distribution and synchronization of the 1.003086 MHz timing signals over a long distance of about 3.1 km. Two prototype systems were developed, both containing three functions: beam-synchronous trigger signal distribution, random-event trigger signal distribution and data exchange between nodes. The frequency of the beam-synchronous trigger signal can be divided according to the accelerator operation mode. Each output pulse can be configured for different fill modes. A prototype system was designed based on a customized clock frequency point (64.197530 MHz). Another prototype system was designed based on the standard White Rabbit protocol. The DDS (Direct Digital Synthesis) and D flip-flops (DFFs) are adopted for RF signal transfer and pulse configuration. The details of the timing system design, laboratory test results will be reported in this paper.
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Slides THIYGD1 [5.582 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2022-THIYGD1
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| About • |
Received ※ 29 May 2022 — Revised ※ 10 June 2022 — Accepted ※ 15 June 2022 — Issue date ※ 17 June 2022 |
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