Automated frequency tuning of SRF cavities at CEBAF | Zendy

M. Chowdhary | Zendy; Lawrence Doolittle | Zendy; G. Lahti | Zendy; Stefan Simrock | Zendy; R. Terrell | Zendy

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Automated frequency tuning of SRF cavities at CEBAF

Author(s) -

M. Chowdhary,

Lawrence Doolittle,

G. Lahti,

Stefan Simrock,

R. Terrell

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/244503

Subject(s) - offset (computer science) , physics , sweep frequency response analysis , burst mode (computing) , optics , phase (matter) , frequency offset , electronic engineering , acoustics , computer science , electrical engineering , engineering , channel (broadcasting) , quantum mechanics , orthogonal frequency division multiplexing , programming language

An automated cavity tuning procedure has been implemented in the CEBAF control system to tune the superconducting RF (SRF) cavities to their operating frequency of 1497 MHz. The capture range for coarse tuning algorithm (Burst Mode) is more than 20 cavity bandwidths (5 kHz). The fine tuning algorithm (Sweep Mode) calibrates the phase offset in the detuning angle measurement. This paper describes the implementation of these algorithms and experience of their operation in CEBAF control system. 3 refs., 5 figs

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