Research Progress on X-Band Multibeam Klystron

Research Progress on X-Band Multibeam Klystron

The Institute of Electronics, Chinese Academy of Sciences, started developing X-band multibeam klystrons (MBKs) in 2000. Three types of X-band MBKs are currently under research and development; two types operate in the fundamental mode (TM 010 ), and the other type operates in a high-order mode (coa...

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Veröffentlicht in:IEEE transactions on electron devices 2009-05, Vol.56 (5), p.870-876
Hauptverfasser: Ding, Yaogen, Shen, Bin, Cao, Jing, Zhang, Yongqing, Ruan, Cunjun, Gu, Honghong, Zhang, Ding, Wang, Caiying, Cao, Min
Format: Artikel
Sprache:eng
Schlagworte:
Bandwidth
Cathodes
Cavity resonators
Coaxial cavity
Devices
Earth Observing System
Electric power generation
Electron tubes
Electronics
field homogeneity
Frequency ranges
high-order mode (HM)
Klystrons
mode separation
multibeam klystron (MBK)
Radio frequencies
Radio frequency
Research and development
Tuners
X-band
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Beschreibung
Zusammenfassung:The Institute of Electronics, Chinese Academy of Sciences, started developing X-band multibeam klystrons (MBKs) in 2000. Three types of X-band MBKs are currently under research and development; two types operate in the fundamental mode (TM 010 ), and the other type operates in a high-order mode (coaxial TM 310 ). These MBKs operate over the frequency range from 8 to 10 GHz and have peak powers of 50-100 kW, average powers of 2.5-5 kW, and bandwidths of 5%. The design considerations and testing results are presented in this paper. The technological problems, including nonhomogeneity of the RF electric field and low beam transmission, are also described. Further research work on the improvement of these MBKs is discussed.
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2009.2015630