Speaker
Description
Various digital low-level radiofrequency (LLRF) systems are now operating for the Advanced Photon Source Upgrade (APS-U). This includes a passive superconducting bunch-lengthening cavity LLRF system primarily used for quench detection and signal monitoring of both the cavity and beam. The original analog-based LLRF systems for the klystron-driven main accelerating cavities were kept intact. However, a digital 60-Hz-harmonic-related rf noise suppression (RFNS) system was added to suppress noise from the megawatt-class klystrons which leads to beam motion. Additionally, within the injectors, the Particle Accumulator Ring was upgraded to digital LLRF for improved control. This report summarizes the systems and shares operational experience with beam.
- Work supported by U. S. Department of Energy, Office of Science, under Contract No. DE-AC02-06CH11357
| Abstract Category | System and Operation |
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