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Low Level RF (LLRF) Systems

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Availability, Reliability, and Long Lifetime

Thomson Digital LLRF systems are instrumental in accomplishing amplitude and phase control in the electromagnetic cavities of particle accelerators. They keep amplifiers tuned to the correct frequency no matter how the cavities drift, thus ensuring that particles accelerate and not slow down.

Thomson supplies Digital LLRF systems that use performance-driven, high-end electronic parts and devices. Their modular design makes them easily accessible for servicing and upgrades, making the systems:

  • Extendable to more amplifiers by adding processing cards
  • Adaptable to RF frontend frequencies up to 500 MHz
  • Extendable to other tuning systems, like stepping motors, by means of a fast, fiber-optic interface
  • Flexible control interface for various system requirements like EPICS, TINE etc.

Key Features

  • Extremely reliable and professional hardware and software design
  • Sophisticated on-line diagnostics to minimize downtime
  • Robust algorithms for high availability based on field-proven Digital Signal Processing techniques
  • Maintenance-free system based on simple system set-up
  • Completely synchronous processing
  • Local handling and calibration by means of Graphic User Interface (GUI)
  • Stand-alone mode enables local establishment of single-shot and repetitive pulses