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Digital Low Level RF Systems for Diamond Light Source

DOI: 10.18429/JACoW-IPAC2017-THPAB152 DOI Help

Authors: Pengda Gu (Diamond Light Source) , C. Christou (Diamond Light Source) , I. Uzun (Diamond Light Source) , P. Hamadyk (Diamond Light Source) , A. Salom (CELLS-ALBA Synchrotron) , F. Perez (CELLS-ALBA Synchrotron) , E. Morales (CELLS-ALBA Synchrotron)
Co-authored by industrial partner: No

Type: Conference Paper
Conference: IPAC2017
Peer Reviewed: No

State: Published (Approved)
Published: May 2017

Open Access Open Access

Abstract: Analogue low level RF (LLRF) systems have been used to date for both Diamond storage ring and booster RF cavities. They have been in operation for nearly ten years without a major problem. However, digital LLRF can offer new desirable functionalities such as fast data logging, 'probe blip' blockage and automation of routine tasks. Better performance is also envisaged with up to date hardware. A digital LLRF system has been developed with Alba Synchrotron as a common platform for the storage ring and booster, including superconducting and normal conducting RF cavities. The new digital LLRF is based on Virtex6 FPGA and fast ADCs and DACs. One system has been built and verified in the Diamond booster with beam. The design will be implemented for all other Diamond RF cavities.

Journal Keywords: cavity; booster; storage-ring; LLRF; hardware

Subject Areas: Technique Development

Technical Areas: RF