摘要
众所周知,慢波线可以传输行波,也可传输返波.因此行波管工作时受返波干扰,同样返波管工作时也受到行波的干扰.在设计行波管时仅能提出限制返波的一些考虑,而干扰情况无从估计.因此,过去小信号增益行波管最大小信号增益只能达到60～70dB,一般行波管、返波管都不能设计到最佳工作区域.本文在给出小信号行波管增益参数工作区域图、返波管增益参数工作区域图的基础上,首次给出行波管、O型返波管综合增益参数工作区域图.对选择行波管和返波管的最佳工作区域十分有利.
It is well known that the slow-wave structures support forward waves and also support backward waves along the circuits together. However, the interference condition between them is not clear in the past. The unique method in design TWT is to limit the gain from the backward waves. In this paper a synthetic working region diagram is given for TWT and BWT. The diagram could be divided into 4 regions. In region A, TW and BW (forward waves and backward waves) occur simultaneously, therefore there is interference. Regions B and C represent the ranges where the backward waves and forward waves could be propagated only, respectively. Finally, In region D the design parameters should lead to the backward wave oscillation. This paper gives a new conception of design of TWT and BWT.
出处
《东南大学学报（自然科学版）》
EI
CAS
CSCD
1992年第3期50-53,共4页
Journal of Southeast University：Natural Science Edition
关键词
行波管
返波管
增益
工作区域
travelling-wave tubes, backwared wave tube oscillators, gain, working regions, slowwave transmission lines
