Speaker
Description
This paper presents the design and preliminary test results of a Low-Level Radio Frequency (LLRF) prototype system developed for the 1.3 GHz standard cryomodule of the Shenzhen Superconducting Soft X-ray Free Electron Laser (S3FEL). The system is implemented within an MTCA.4 platform, integrating eight RF controller boards for superconducting cavity field acquisition and microwave excitation control to stabilize the RF field and ensure steady electron beam acceleration, alongside two tuner controller boards for driving four coupler motors, four cavity tuner motors, and eight piezoelectric actuators (PZTs). A high-speed peer-to-peer (P2P) backplane bus enables real-time communication between RF and tuner control boards. The report outlines the hardware architecture of this modular LLRF system and discusses initial functional and performance tests, demonstrating its suitability for meeting the precise stability requirements of the S3FEL project.
Funding Agency
the National Natural Science Foundation of China (Grant No. 12405221)
| Paper status | Proceeding files received |
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