On the measurement and interpretation of coupling impedance data in the frequency and time domain

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In order to prevent beam instabilities due to the coupling impedance of vacuum tanks containing septum magnets, electrostatic inflectors, etc., in a proton synchrotron the author makes routine measurements with portable instruments before installation. A center conductor of 1 cm diameter placed in t...

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Detalles Bibliográficos
Autor principal: Umstätter, H H
Lenguaje:eng
Publicado: 1975
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1109/TNS.1975.4328014
http://cds.cern.ch/record/873206
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author Umstätter, H H
author_facet Umstätter, H H
author_sort Umstätter, H H
collection CERN
description In order to prevent beam instabilities due to the coupling impedance of vacuum tanks containing septum magnets, electrostatic inflectors, etc., in a proton synchrotron the author makes routine measurements with portable instruments before installation. A center conductor of 1 cm diameter placed in the standard vacuum pipe forms a 125 Omega coaxial line. If a nonstandard vacuum tank is inserted one observes reflection and transmission coefficients. To save the laborious impedance transformations in the frequency domain the reflected and transmitted waveforms are photographed in the time domain. Their interpretation in terms of frequency dependent impedances is discussed.
id cern-873206
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1975
record_format invenio
spelling cern-8732062019-09-30T06:29:59Zdoi:10.1109/TNS.1975.4328014http://cds.cern.ch/record/873206engUmstätter, H HOn the measurement and interpretation of coupling impedance data in the frequency and time domainAccelerators and Storage RingsIn order to prevent beam instabilities due to the coupling impedance of vacuum tanks containing septum magnets, electrostatic inflectors, etc., in a proton synchrotron the author makes routine measurements with portable instruments before installation. A center conductor of 1 cm diameter placed in the standard vacuum pipe forms a 125 Omega coaxial line. If a nonstandard vacuum tank is inserted one observes reflection and transmission coefficients. To save the laborious impedance transformations in the frequency domain the reflected and transmitted waveforms are photographed in the time domain. Their interpretation in terms of frequency dependent impedances is discussed.oai:cds.cern.ch:8732061975
spellingShingle Accelerators and Storage Rings
Umstätter, H H
On the measurement and interpretation of coupling impedance data in the frequency and time domain
title On the measurement and interpretation of coupling impedance data in the frequency and time domain
title_full On the measurement and interpretation of coupling impedance data in the frequency and time domain
title_fullStr On the measurement and interpretation of coupling impedance data in the frequency and time domain
title_full_unstemmed On the measurement and interpretation of coupling impedance data in the frequency and time domain
title_short On the measurement and interpretation of coupling impedance data in the frequency and time domain
title_sort on the measurement and interpretation of coupling impedance data in the frequency and time domain
topic Accelerators and Storage Rings
url https://dx.doi.org/10.1109/TNS.1975.4328014
http://cds.cern.ch/record/873206
work_keys_str_mv AT umstatterhh onthemeasurementandinterpretationofcouplingimpedancedatainthefrequencyandtimedomain

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