Study on dual beam multi-vane-loaded azimuthal supported angular log-periodic strip meander line slow-wave structure
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University of Electronic Science and Technology of China, Chengdu 610054, China

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National Natural Science Foundation of China 61531010Supported by National Natural Science Foundation of China (61531010)

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    Abstract:

    A bandwidth broadening and voltage reducing method for the azimuthal supported angular log-periodic strip meander line slow-wave structure has been proposed. By means of the vane-loaded technique to control the dispersion characteristics, the bandwidth of the azimuthal supported angular log-periodic strip meander line traveling-wave tube is expanded effectively. Through numerical simulation, it can be found that the 3-dB bandwidth of the structure without vane and with multi-vane loaded is 2.5 GHz and 3 GHz, respectively. The work voltage of the structure without vane and with multi-vane loaded is 5450 Vand 4650 V, respectively. As the results shown, the bandwidth and work voltage of the angular log-periodic strip meander line slow-wave structure can be expanded and reduced by means of vane-loaded method.

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CHEN Zi-Jun, WANG Zhan-Liang, LI Xin-Yi, HE Teng-Long, WANG He-Xin, GONG Hua-Rong, TANG Tao, DUAN Zhao-Yun, LU Zhi-Gang, HUANG Min-Zhi, GONG Yu-Bin. Study on dual beam multi-vane-loaded azimuthal supported angular log-periodic strip meander line slow-wave structure[J]. Journal of Infrared and Millimeter Waves,2019,38(4):433~438

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History
  • Received:December 13,2018
  • Revised:May 29,2019
  • Adopted:February 19,2019
  • Online: September 06,2019
  • Published: