Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper
Publication date | 20/11/2009 |
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Host publication | 2009 IEEE International Vacuum Electronics Conference, IVEC 2009 |
Publisher | IEEE |
Pages | 175-176 |
Number of pages | 2 |
ISBN (print) | 9781424434992 |
<mark>Original language</mark> | English |
Event | 2009 IEEE International Vacuum Electronics Conference, IVEC 2009 - Rome, Italy Duration: 28/04/2009 → 30/04/2009 |
Conference | 2009 IEEE International Vacuum Electronics Conference, IVEC 2009 |
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Country/Territory | Italy |
City | Rome |
Period | 28/04/09 → 30/04/09 |
Name | 2009 IEEE International Vacuum Electronics Conference, IVEC 2009 |
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Conference | 2009 IEEE International Vacuum Electronics Conference, IVEC 2009 |
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Country/Territory | Italy |
City | Rome |
Period | 28/04/09 → 30/04/09 |
In a triode type electron gun the amplification factor, μ, determines how the beam current varies with time for any given gun geometry and applied voltages. A simple triode low-μ formula has regularly been used to predict IOT behaviour however, it is incapable of addressing nonuniform cathode emission resulting from modern grid geometry and small cathode-grid distances. Consequently it is incapable of detailing meaningful emission behaviour or accurate prediction. A literature search identified few μ formulae suitable for IOT-type geometry. Results show excellent agreement between them but a significant departure from the often-used Maxwell or "low-μ" triode formula [1]. The formulae should offer the ability to more accurately predict IOT performance characteristics.