Author: Matsumoto, T.
Paper Title Page
THPRC009 IF-Mixture Performance During Cavity Conditioning at STF-KEK 785
SPWR027   use link to see paper's listing under its alternate paper code  
 
  • S.B. Wibowo
    Sokendai, Ibaraki, Japan
  • T. Matsumoto, S. Michizono, T. Miura, F. Qiu
    KEK, Ibaraki, Japan
 
  The Superconducting rf Test Facility (STF) at High Energy Accelerator Research Organization (KEK) was built for research and development of the International Linear Collider (ILC). In order to satisfy the stability requirement of the accelerating field, a digital low-level RF (LLRF) control system is employed. In this control system, signal from a cavity is down-converted into intermediate frequency (IF) signal before being digitized by analog-to-digital converter (ADC). In order to reduce the required number of ADCs, we proposed a technique that combines several IFs and to be read by a single ADC. Signal reconstruction of each IF is performed by digital signal processing. The performance of this technique, which is named IF-mixture, is reported in this paper.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-THPRC009  
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