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Volume 29 Issue 7
Jan.  2011
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Li Wen-jun, Xu Zhou, Lin Yu-zheng, Jin Xiao, Li Ming, Yang Xing-fan, Zhou Lin . Design and Large-Signal Beam-Wave Interaction Research of Coupled-Cavity Traveling-Wave Tube[J]. Journal of Electronics & Information Technology, 2007, 29(7): 1769-1771. doi: 10.3724/SP.J.1146.2005.01568
Citation: Li Wen-jun, Xu Zhou, Lin Yu-zheng, Jin Xiao, Li Ming, Yang Xing-fan, Zhou Lin . Design and Large-Signal Beam-Wave Interaction Research of Coupled-Cavity Traveling-Wave Tube[J]. Journal of Electronics & Information Technology, 2007, 29(7): 1769-1771. doi: 10.3724/SP.J.1146.2005.01568

Design and Large-Signal Beam-Wave Interaction Research of Coupled-Cavity Traveling-Wave Tube

doi: 10.3724/SP.J.1146.2005.01568
  • Received Date: 2005-12-05
  • Rev Recd Date: 2006-06-20
  • Publish Date: 2007-07-19
  • An important characteristic of the beam-wave interaction in traveling-wave tube is that the velocity modulation and bunching of electron beam, also its energy exchange with the RF field, happen continuously and simultaneously along the whole slow-wave structure. This is why traveling wave tube can offer large output power in a very broad band. On the basis of cold cavity characteristic research, quantitative analysis of the large signal beam-wave interaction of coupled-cavity traveling-wave tube is performed using three-dimensional PIC simulation code. In addition, an X-band CW coupled-cavity traveling-wave tube is designed with the design parameters as follows:operating frequency from 7.1GHz to 8.5GHz,bandwidth 18%,the highest output power of 3kW.
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