Design and evaluation of a low-level RF control system analog/digital receiver for the ILC main Linacs

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The proposed RF distribution scheme for the two 15 km long ILC LINACs, uses one klystron to feed 26 superconducting RF cavities operating at 1.3 GHz. For a precise control of the vector sum of the signals coming from the SC cavities, the control system needs a high performance, low cost, reliable and modular multichannel receiver. At Fermilab we developed a 96 channel, 1.3 GHz analog/digital receiver for the ILC LINAC LLRF control system. In the paper we present a balanced design approach to the specifications of each receiver section, the design choices made to fulfill the goals and a ... continued below

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29 pages

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Mavric, Uros; Vidmar, Matjaz; Chase, Brian & /Fermilab June 1, 2008.

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The proposed RF distribution scheme for the two 15 km long ILC LINACs, uses one klystron to feed 26 superconducting RF cavities operating at 1.3 GHz. For a precise control of the vector sum of the signals coming from the SC cavities, the control system needs a high performance, low cost, reliable and modular multichannel receiver. At Fermilab we developed a 96 channel, 1.3 GHz analog/digital receiver for the ILC LINAC LLRF control system. In the paper we present a balanced design approach to the specifications of each receiver section, the design choices made to fulfill the goals and a description of the prototyped system. The design is tested by measuring standard performance parameters, such as noise figure, linearity and temperature sensitivity. Measurements show that the design meets the specifications and it is comparable to other similar systems developed at other laboratories, in terms of performance.

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29 pages

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  • Journal Name: Nucl.Instrum.Meth.A594:90-96,2008

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  • Report No.: FERMILAB-PUB-08-157-AD
  • Grant Number: AC02-07CH11359
  • DOI: 10.1016/j.nima.2008.06.002 | External Link
  • Office of Scientific & Technical Information Report Number: 934556
  • Archival Resource Key: ark:/67531/metadc898968

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • June 1, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 23, 2016, 2:40 p.m.

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Mavric, Uros; Vidmar, Matjaz; Chase, Brian & /Fermilab. Design and evaluation of a low-level RF control system analog/digital receiver for the ILC main Linacs, article, June 1, 2008; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc898968/: accessed June 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.