Bridge for measuring the interface impedance of oxide-coated cathodes

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DOIResolve DOI: http://doi.org/10.4224/21272353
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TypeTechnical Report
Physical description3 p., 5 p. of ill.
AbstractRapid measurement of the interface impedance of oxide-coated cathodes is made possible by the instrument described in this paper. The bridge is balanced at three widely different frequencies, and the interface resistance and capacitance are read directly from decade units in the bridge circuit. All tubes to be tested are connected as diodes; thus the results are independent of tube characteristics. Low values of interface resistance may be read to within one ohm.
Publication date
PublisherNational Research Council Canada
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedNo
IdentifierERA-213
NRC number2745
NPARC number21272353
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Record identifier2d023e0e-2d9b-43cd-83c2-771388bd751e
Record created2014-11-24
Record modified2016-10-03
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