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Proceedings Paper

Repetitive pulse operation of reltron tubes
Author(s): Robert B. Miller
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Paper Abstract

We present data related to the repetitive pulse performance of Reltron HPM tubes. While the tubes using thermionic cathodes are usually limited only by the power supply and/or cooling system, the repetition rate for the high-peak-power tubes (which use explosive emission cathodes) is limited by the rise in the vacuum pressure. In particular, if the tube pressure significantly exceeds 10-4 torr, the tube fails to operate properly, and the voltage pulses are significantly degraded. We have developed a simple model to describe the phenomenology. We have also begun to explore alternate cathode materials which evolve less gas than velvet. A CsI-coated graphite-fiber cathode appears most promising at present.

Paper Details

Date Published: 3 October 1997
PDF: 11 pages
Proc. SPIE 3158, Intense Microwave Pulses V, (3 October 1997); doi: 10.1117/12.284004
Show Author Affiliations
Robert B. Miller, Titan Advanced Innovative Technologies (United States)


Published in SPIE Proceedings Vol. 3158:
Intense Microwave Pulses V
Howard E. Brandt, Editor(s)

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