Referenced Items are not available for this document.
To improve the performance of a broadband traveling-wave tube (TWT), a helix pitch profile incorporating a section with reduced phase velocity followed by a positive phase-velocity taper is used. A simple technique to design a pitch profile of this kind is elaborated upon and later applied to an existing 6-18-GHz uniform pitch mini-TWT to improve its interaction efficiency. By using the newly designed helix, a TWT is developed, which shows increases in electronic efficiency and output power up to 8.75% points and 2.6 dB (75 W), respectively. Further application of this method to another uniform pitch baseline tube results in similar improvements.
Published in:
Electron Devices, IEEE Transactions on
(Volume:56
,
Issue:
5
)
Date of Publication: May 2009
- Page(s):
- 1135 - 1140
- ISSN :
- 0018-9383
- INSPEC Accession Number:
- 10587575
- Digital Object Identifier :
- 10.1109/TED.2009.2015137
- Product Type:
- Journals & Magazines
- Date of Publication :
- 27 March 2009
- Date of Current Version :
- 21 April 2009
- Issue Date :
- May 2009
- Sponsored by :
- IEEE Electron Devices Society
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