Improved Design of Ku Band High Power Rectangular Waveguide Directional Coupler
This paper demonstrates an effective designing method of the high power rectangular waveguide directional coupler. The coupler designed using this method has wide band, high directivity, flat coupling, low voltage standing ratio and manufacturing accuracy. According to the required technology parameter, and the engineering design method based on the modified Bethe aperture coupling theory, the relevant parameters of equally spaced waveguide directional coupler are preliminarily designed. On the basis of this, using simulation software HFSS to do the simulation and optimization of the space between three outside coupling holes of the head end and the tail end, the performance of isolation is improved. A directional coupler at Ku waveband is designed in this paper, the error between the simulation value of coupling and the required value-10 dB is less than 0.6 dB, and after optimization, the isolation is less than-47 dB in the whole operating frequency band.
Chao Wang Gaofeng Guo En Li
University of Electronic Science and Technology of China, Chengdu, China
国际会议
Progress in Electromagnetics Research Symposium 2014(2014年电磁学研究新进展学术研讨会)
广州
英文
56-59
2014-08-01（万方平台首次上网日期，不代表论文的发表时间）