Design and Implementation of Gain Equalizer Based on Dual-Mode Square Resonators

被引：0
|
作者：
Liu Q. [1 ]
Zhang D.-W. [1 ]
Wang S.-X. [1 ]
Zhou D.-F. [1 ]
Lü D.-L. [1 ]
Zhang Y. [1 ]
机构：
[1] Institute of Information System Engineering, PLA Information Engineering University, Zhengzhou, 450002, Henan
来源：
Liu, Qing (liuqing8123@163.com) | 1600年 / Chinese Institute of Electronics卷 / 45期
关键词：
Dual-mode resonator; Equalizer; Miniaturization; Substrate integrated waveguide; Tune independent;
D O I：
10.3969/j.issn.0372-2112.2017.09.016
中图分类号：
学科分类号：
摘要：
A gain equalizer operating on Ku-band based on dual-mode square substrate integrated waveguide (SIW) resonators are designed according to miniaturization and high Q-factor. Two orthogonal coupling slots are designed to excite degenerate modes (TE201 and TE102) in a square cavity; two perturbation metal holes in the vertical direction are employed to perturb TE102 mode to tune resonant frequency easily for fitting a target curve. The positions of the film resistors loaded on cavity are investigated to realize attenuations and Q-factor of the dual-mode tuning independent. The frequency offsets and tune of the resonant of the dual-mode cavity after the two resonant cavities cascaded are analyzed. Analysis and design method of the proposed equalizer based on dual-mode resonators are presented. Compared with equalizer based on single mode resonators, the proposed equalizer keeps the original performance, and has smaller size for reducing by half the number cavities. The measured results and simulated results are matched well, and the maximum error is 0.4dB. © 2017, Chinese Institute of Electronics. All right reserved.
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页码：2162 / 2169
页数：7
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