Keyword: hardware
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TUPA08 Arc Discharge Detectors for the CiADS Superconducting RF Cavities detector, software, cavity, electron 228
 
  • Z.P. Xie, Y.K. Ding, J. Liang, H. Liu
    Hohai University, Nanjing, People's Republic of China
  • Y. He, Y.M. Li
    IMP/CAS, Lanzhou, People's Republic of China
 
  Funding: Work supported by the National Natural Science Foundation of China (Grant No.11505255, No.91026001) and the Fundamental Research Funds for the Chinese Central Universities(2015B29714)
Arc discharge due to the electron emission is one of the key issues in the CW superconducting RF(SRF) for the CiADS particle accelerator. Arc discharges can deteriorate the SRF cavities and damage the facility. Monitoring arc discharges is important for the purpose of machine protection. In this paper, an arc discharge detector has been designed to provide fast response upon events of arc discharge using open-source hardware and LabVIEW software. Electronic design techniques are described to enhance the system stability while utilizing the flexibility of embedded electronics. The proposed detector system gives about 700 ns of response time and it employs a LabVIEW based graphic user interface. The system has the capability of detecting the instantaneous arc discharge events in real time. Timestamps of the event will be recorded to assist beam diagnostics. This paper describes the hardware/software implementation and concludes with initial results of tests at CiADS.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-TUPA08  
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WEPA01 A MicroTCA.4 Timing Receiver for the Sirius Timing System timing, controls, feedback, interface 375
 
  • J.L. Brito Neto, G.B.M. Bruno, S.R. Marques, L.M. Russo, D.O. Tavares
    LNLS, Campinas, Brazil
 
  The AMC FMC carrier (AFC) is a MicroTCA.4 AMC board which has a very flexible clock circuit that enables any clock source to be connected to any clock input, including telecom clock, FMC clocks, programmable VCXO oscillator and FPGA. This paper presents the use of the AFC board as an event receiver connected to the Sirius timing system to provide low jitter synchronized clocks and triggers for Sirius BPM electronics and other devices.  
poster icon Poster WEPA01 [3.299 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-WEPA01  
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