Ringing in the pulse response of long and wideband coaxial transmission lines due to group delay dispersion

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In particle accelerators coaxial cables are commonly used to transmit wideband beam signals covering many decades of frequencies over long distances. Those transmission lines often have a corrugated outer and/or inner conductor. This particular construction exhibits a significant amount of frequency dependent group delay variation. A comparison of simulations based on theoretical models, numerical simulations and S{sub 21} network analyzer measurements up to 2.5 GHz is presented. It is shown how the non-linear phase response and varying group delay leads to ringing in the pulse response and subsequent distortion of signal s transmitted through such coaxial transmission lines.

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Kotzian,G.; de Maria,R.; Caspers, F.; Federmann, S. & Hofle, W. May 4, 2009.

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In particle accelerators coaxial cables are commonly used to transmit wideband beam signals covering many decades of frequencies over long distances. Those transmission lines often have a corrugated outer and/or inner conductor. This particular construction exhibits a significant amount of frequency dependent group delay variation. A comparison of simulations based on theoretical models, numerical simulations and S{sub 21} network analyzer measurements up to 2.5 GHz is presented. It is shown how the non-linear phase response and varying group delay leads to ringing in the pulse response and subsequent distortion of signal s transmitted through such coaxial transmission lines.

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  • Particle Accelerator Conference (PAC09); Vancouver, B. C., Canada; 20090504 through 20090508

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  • Report No.: BNL--81809-2009-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 962173
  • Archival Resource Key: ark:/67531/metadc928601

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Office of Scientific & Technical Information Technical Reports

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  • May 4, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 8:42 p.m.

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Kotzian,G.; de Maria,R.; Caspers, F.; Federmann, S. & Hofle, W. Ringing in the pulse response of long and wideband coaxial transmission lines due to group delay dispersion, article, May 4, 2009; United States. (digital.library.unt.edu/ark:/67531/metadc928601/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.