Development of a high-power X-band compact RF rotary joint

被引：1
|
作者：
Liu, Jiayang
Shi, Jiaru [1 ]
Qiu, Jiaqi
Chen, Huaibi
Wu, Xiaowei
机构：
[1] Tsinghua Univ, Dept Engn Phys, CN-100084 Beijing, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2018年 / 908卷
关键词：
RF rotary joint; X-band; Design; Stable transmitted characteristics; High-power test; DESIGN;
D O I：
10.1016/j.nima.2018.08.049
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A high-power X-band (9.3 GHz) compact RF rotary joint has been designed, fabricated and tested in Tsinghua University. Simulation results illustrated that RF parameters (the scattering matrix) of this rotary joint keep stable in different rotation angle. Cold measurement using Vector Network Analyzer confirmed the simulation results. The maximum reflection was below -25 dB, the insertion loss was less than 0.1 dB, and the variance of output phase shifts was below 0.2 degree while rotating the joint. High-power test under a 1.6 MW X-band magnetron also showed good results. The design, cold measurement and high-power test of the RF rotary joint are presented in this paper.
引用
收藏
页码：72 / 77
页数：6
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