Phase stability compliancy testing of a White Rabbit based solution for the LHC RF and Timing Distribution Backbone upgrade

The LHC RF and Timing Distribution Backbone is being upgraded for the HL-LHC. A White Rabbit technology solution for the generation and the distribution of the RF, similar to the system currently employed in SPS, is being considered. To verify its suitability from a phase stability perspective, an i...

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Bibliographic Details
Published in:Journal of instrumentation 2024-12, Vol.19 (12), p.C12019
Main Authors: Hazell, P., Baron, S., Gousiou, E., Hagmann, G., Gill, J., Lipinski, M., Genoud, Q., Gingold, T., Wlostowski, T.
Format: Article
Language:English
Subjects:
Figure of merit
Frequency variation
Hardware and accelerator control systems
Phase stability
Rabbits
Trigger concepts and systems (hardware and software)
Upgrading
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Summary:The LHC RF and Timing Distribution Backbone is being upgraded for the HL-LHC. A White Rabbit technology solution for the generation and the distribution of the RF, similar to the system currently employed in SPS, is being considered. To verify its suitability from a phase stability perspective, an investigation was conducted on a proof-of-concept system. The requirement for the end-nodes is ± 1 degree of the 200 MHz SPS RF frequency. The key figure of merit to check compliancy is peak-peak phase variation which must be < 28 ps. The compliance tests campaign will be described and results presented.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/19/12/C12019