{"title":"鉴别耦合及其在带通滤波器中的应用","authors":"Xiu Yin Zhang, Li Gao, Qing-Yi Guo, Q. Xue","doi":"10.1109/IWEM.2013.6888765","DOIUrl":null,"url":null,"abstract":"This paper presents the discriminating coupling and its application to bandpass filter. According to the voltage current characteristic of the transmission lines, the fundamental mode or high-order mode can be suppressed by selecting suitable coupling region, whereas the coupling coefficient at desired frequency can be tuned to desired values. Therefore, it is easy to design wide-stopband or oversize bandpass filters. Furthermore, no additional circuit is needed. For demonstration purpose, two planar microstrip filters, and an oversize millimeter-wave filter are presented. The results are presented to verify the proposed method.","PeriodicalId":119627,"journal":{"name":"2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Discriminating coupling and its application to bandpass filters\",\"authors\":\"Xiu Yin Zhang, Li Gao, Qing-Yi Guo, Q. Xue\",\"doi\":\"10.1109/IWEM.2013.6888765\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents the discriminating coupling and its application to bandpass filter. According to the voltage current characteristic of the transmission lines, the fundamental mode or high-order mode can be suppressed by selecting suitable coupling region, whereas the coupling coefficient at desired frequency can be tuned to desired values. Therefore, it is easy to design wide-stopband or oversize bandpass filters. Furthermore, no additional circuit is needed. For demonstration purpose, two planar microstrip filters, and an oversize millimeter-wave filter are presented. The results are presented to verify the proposed method.\",\"PeriodicalId\":119627,\"journal\":{\"name\":\"2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition\",\"volume\":\"7 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IWEM.2013.6888765\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWEM.2013.6888765","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Discriminating coupling and its application to bandpass filters
This paper presents the discriminating coupling and its application to bandpass filter. According to the voltage current characteristic of the transmission lines, the fundamental mode or high-order mode can be suppressed by selecting suitable coupling region, whereas the coupling coefficient at desired frequency can be tuned to desired values. Therefore, it is easy to design wide-stopband or oversize bandpass filters. Furthermore, no additional circuit is needed. For demonstration purpose, two planar microstrip filters, and an oversize millimeter-wave filter are presented. The results are presented to verify the proposed method.
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