| Paper | Title | Page |
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MOP015 |
RF Calibration and Distribution devices for SPIRAL2 BPMs | |
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| In order to achieve the required measurement accuracy for the SPIRAL2 BPMs in positions, ellipticities and phases, new RF Calibration and Distribution devices were developed, tested and installed on the SPIRAL2 Facility in 2022. Accuracy measurements depends on gain and phase differences of the 4 BPM measurement channels. In order to compensate analogic differences, digital corrections are applied in function of the calibration results. One of the main objectives was to automate the different steps of the calibration process in order to reduce the calibration time and avoid cable connections and disconnections. The second objective was to distribute RF reference signals to all BPM electronics cards with the same amplitudes and phases. This document describes technical solutions and qualifications performed, explains the calibration process, corrections and results obtained. | ||
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