BPM button characterization for offset calibration

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Description

In this note, a basic theory of wave propagation in dielectric media is discussed in conjunction with S parameters to derive the button gain coefficient g{sub e} and an analytic expression for the signal from time domain reflectometry (TDR) measurement on a cable and a button. The results can be used to measure the button capacitance and the characteristic impedances of the cable and the button feedthrough. Since g{sub e} is a function of S parameters and the button capacitance C{sub p}, a suggestion is made to make the gain coefficients the same for all four buttons in a BPM ... continued below

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30 p.

Creation Information

Chung, Y. March 1, 1992.

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Description

In this note, a basic theory of wave propagation in dielectric media is discussed in conjunction with S parameters to derive the button gain coefficient g{sub e} and an analytic expression for the signal from time domain reflectometry (TDR) measurement on a cable and a button. The results can be used to measure the button capacitance and the characteristic impedances of the cable and the button feedthrough. Since g{sub e} is a function of S parameters and the button capacitance C{sub p}, a suggestion is made to make the gain coefficients the same for all four buttons in a BPM by carefully matching the buttons and the cables.

Physical Description

30 p.

Notes

INIS; OSTI as DE95015222

Source

  • Other Information: PBD: Mar 1992

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  • Other: DE95015222
  • Report No.: LS--193
  • Grant Number: W-31-109-ENG-38
  • DOI: 10.2172/87850 | External Link
  • Office of Scientific & Technical Information Report Number: 87850
  • Archival Resource Key: ark:/67531/metadc793928

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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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Creation Date

  • March 1, 1992

Added to The UNT Digital Library

  • Dec. 19, 2015, 7:14 p.m.

Description Last Updated

  • Jan. 6, 2016, 2:44 p.m.

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Chung, Y. BPM button characterization for offset calibration, report, March 1, 1992; Illinois. (digital.library.unt.edu/ark:/67531/metadc793928/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.