| 衬底型五级超宽带带状线耦合器的设计 |
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| 引用本文： | 姬五胜,彭清斌,张需溥,陈玉兵,王大朋. 衬底型五级超宽带带状线耦合器的设计[J]. 兰州理工大学学报, 2009, 35(6) |
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| 作者姓名： | 姬五胜 彭清斌 张需溥 陈玉兵 王大朋 |
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| 作者单位： | 西安电子科技大学,电子工程学院,陕西,西安,710071;兰州城市学院,电子信息科学与技术研究所,甘肃,兰州,730070;兰州理工大学,计算机与通信学院,甘肃,兰州,730050;杭州紫光网络技术有限公司,浙江,杭州,310012 |
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| 摘 要： | 设计一种0.35～3.80 GHz频段的6 dB五级超宽带耦合器.耦合器前两级采用衬底型平行耦合带状线结构,后三级采用传统侧边耦合带状线结构.在带状线级联处加载容性开路膜片补偿电路,改善电路的匹配性能,降低器件的回波损耗.衬底型紧耦合结构克服了印刷电路工艺对耦合带状线线间距的限制,且不需要高分辨率的制作过程,也不会引入焊点等不连续性结构.仿真的耦合系数和实测数据有较好的一致性.
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| 关 键 词： | 定向耦合器 耦合带状线 衬底型结构 容性开路膜片 |
Design of 5-stage ultra-wide-band stripline coupler with underlay structure |
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| JI Wu-sheng,PENG Qing-bin,ZHANG Xu-pu,CHEN Yu-bing,WANG Da-peng. Design of 5-stage ultra-wide-band stripline coupler with underlay structure[J]. Journal of Lanzhou University of Technology, 2009, 35(6) |
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| Authors: | JI Wu-sheng PENG Qing-bin ZHANG Xu-pu CHEN Yu-bing WANG Da-peng |
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| Affiliation: | JI Wu-sheng1,2,PENG Qing-bin3,ZHANG Xu-pu4,CHEN Yu-bing4,WANG Da-peng4(1.School of Electronic Engineering,Xidian University,Xi'an 710071,China,2.Institute of Electronic Information Science and Technology,Lanzhou City University,Lanzhou 730070,3.College of Computer and Communication,Lanzhou Univ.of Tech.,Lanzhou 730050,4.Hangzhou Jointcom Communication Technology LTD,Hangzhou 310012,China) |
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| Abstract: | A 6-dB coupler worked in 5-stage ultra-wide-band from 0.35 to 3.8 GHz was designed.In this coupler,first two stages had underlay structure and following three stages were of conventional sided coupling stripline structure.A capacitive opened film compensating circuit was loaded at the cascade spots of the striplines for improving the matching performance of the circuit and reducing the return loss of the device.By using this underlay tight coupling structure,the limits on the interval of coupling striplines... |
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| Keywords: | directional coupler coupled stripline underlay structure capacitive opened film |
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