High power l-band fast phase shifter

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Description

Following successful testing of a concept prototype of a waveguide-based high power phase shifter, a design of a fast, high power device has been developed. The shifter uses two magnetically biased blocks of Yttrium Iron Garnet (YIG) positioned along the side walls of a rectangular waveguide. The cross-section of the waveguide is chosen to suppress unwanted RF modes that could otherwise compromise performance of the phase shifter. Static bias field in the YIG blocks is created by employing permanent magnets. Low inductance coils in the same magnetic circuit excite fast component of the bias field. Design of the device ensures ... continued below

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3 pages

Creation Information

Terechkine, I.; Khabiboulline, T.; Solyak, N. & /Fermilab October 1, 2008.

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Description

Following successful testing of a concept prototype of a waveguide-based high power phase shifter, a design of a fast, high power device has been developed. The shifter uses two magnetically biased blocks of Yttrium Iron Garnet (YIG) positioned along the side walls of a rectangular waveguide. The cross-section of the waveguide is chosen to suppress unwanted RF modes that could otherwise compromise performance of the phase shifter. Static bias field in the YIG blocks is created by employing permanent magnets. Low inductance coils in the same magnetic circuit excite fast component of the bias field. Design of the device ensures effective heat extraction from the YIG blocks and penetration of the fast magnetic field inside the waveguide with minimum delay. This paper summarizes main steps in this development and gives brief description of the system.

Physical Description

3 pages

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  • Presented at 24th International Linear Accelerator Conference (LINAC08), Victoria, British Columbia, Canada, 29 Sep - 3 Oct 2008

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  • Report No.: FERMILAB-CONF-08-404-TD
  • Grant Number: AC02-07CH11359
  • Office of Scientific & Technical Information Report Number: 941182
  • Archival Resource Key: ark:/67531/metadc898155

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Creation Date

  • October 1, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 5, 2016, 7:44 p.m.

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Terechkine, I.; Khabiboulline, T.; Solyak, N. & /Fermilab. High power l-band fast phase shifter, article, October 1, 2008; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc898155/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.