Referenced Items are not available for this document.
A helix slow-wave structure (SWS) for a high-efficiency (electronic efficiency >; 25%) Ku-band 140-W space traveling-wave tube (TWT) has been designed. The cold circuit parameters of helix SWS, like propagation constant and on-axis interaction impedance, were determined using 3-D electromagnetic field simulators ANSOFT-HFSS and CST-MWS, and those were validated with the experimental results. The in-house developed large-signal code SUNRAY-1D was used to design a complete helix SWS in two sections with sever and taper to achieve desired output power, gain, efficiency, and other linearity parameters like phase shift, AM/PM factor, and I/M components. The simulated RF performance of the Ku-band 140-W helix TWT was validated with the experimental results. A close agreement between the simulated and experimental results has been found.
Published in:
Plasma Science, IEEE Transactions on
(Volume:39
,
Issue:
1
)
Date of Publication: Jan. 2011
- Page(s):
- 550 - 554
- ISSN :
- 0093-3813
- INSPEC Accession Number:
- 11729654
- Digital Object Identifier :
- 10.1109/TPS.2010.2089701
- Product Type:
- Journals & Magazines
- Date of Publication :
- 15 November 2010
- Date of Current Version :
- 06 January 2011
- Issue Date :
- Jan. 2011
- Sponsored by :
- IEEE Nuclear and Plasma Sciences Society
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