1–6 Jun 2025
Taipei International Convention Center (TICC)
Asia/Taipei timezone

Next-generation LLRF control and monitoring system for S-band linear accelerators

THPS141
5 Jun 2025, 15:30
2h
Exhibiton Hall A _Salmon (TWTC)

Exhibiton Hall A _Salmon

TWTC

Poster Presentation MC6.T27 Low Level RF Thursday Poster Session

Speaker

Chao Liu (SLAC National Accelerator Laboratory)

Description

The low-level RF (LLRF) systems for S-band linear accelerating structures are typically implemented with heterodyne base architectures. We have developed and characterized the next generation LLRF (NG-LLRF) based on the RF system-on-chip (RFSoC) for C-band accelerating structures and the platform delivered the pulse-to-pulse fluctuation levels considerably better than the requirement of the targeted applications. The NG-LLRF system uses the direct RF sampling technique of the RFSoC, which significantly simplified the architecture compared with the conventional LLRF. We have extended the frequency range of the NG-LLRF to S-band and experimented with different RFSoC devices and system designs to meet the more stringent requirement for S-band LLRF applications. In this paper, the characterization results of the platform with different system architectures will be summarized and the high-power test results of the NG-LLRF with the S-band accelerating structure in the Next Linear Collider Test Accelerator (NLCTA) test facility at SLAC National Accelerator Laboratory will be presented and analyzed.

Region represented America
Paper preparation format LaTeX

Author

Chao Liu (SLAC National Accelerator Laboratory)

Co-authors

Ankur Dhar (SLAC National Accelerator Laboratory) Emilio Nanni (SLAC National Accelerator Laboratory) Emma Snively (SLAC National Accelerator Laboratory) Mohamed Othman (SLAC National Accelerator Laboratory) Ryan Herbst (SLAC National Accelerator Laboratory)

Presentation materials

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