{"title":"具有谐波抑制的紧凑基板集成共轴线正交杂化","authors":"I. S. Krishna, S. Mukherjee","doi":"10.1109/APMC46564.2019.9038650","DOIUrl":null,"url":null,"abstract":"This article presents a compact substrate integrated coaxial line (SICL) based quadrature hybrid operating at 10 GHz specifically for X-band communication with controllable harmonic rejection. The proposed SICL based compact branch-line coupler utilizes four open-ended coaxial stubs. Design equations are analytically derived using even-odd mode analysis and the range of realizable impedance is graphically determined from the derived equations. Variation in position of transmission zero as a function of open-ended stub's electrical length is illustrated through simulation and a 15 dB harmonic rejection up to 31.8 GHz observed. The fabricated SICL based quadrature hybrid demonstrates a measured fractional bandwidth of 12.24% and occupies only 0.10λ2garea. Use of compact size and electromagnetically robust passive components designed in SICL technology provides exceptional front-end communication system.","PeriodicalId":162908,"journal":{"name":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Compact Substrate Integrated Coaxial Line Quadrature Hybrid with Harmonic Rejection\",\"authors\":\"I. S. Krishna, S. Mukherjee\",\"doi\":\"10.1109/APMC46564.2019.9038650\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This article presents a compact substrate integrated coaxial line (SICL) based quadrature hybrid operating at 10 GHz specifically for X-band communication with controllable harmonic rejection. The proposed SICL based compact branch-line coupler utilizes four open-ended coaxial stubs. Design equations are analytically derived using even-odd mode analysis and the range of realizable impedance is graphically determined from the derived equations. Variation in position of transmission zero as a function of open-ended stub's electrical length is illustrated through simulation and a 15 dB harmonic rejection up to 31.8 GHz observed. The fabricated SICL based quadrature hybrid demonstrates a measured fractional bandwidth of 12.24% and occupies only 0.10λ2garea. Use of compact size and electromagnetically robust passive components designed in SICL technology provides exceptional front-end communication system.\",\"PeriodicalId\":162908,\"journal\":{\"name\":\"2019 IEEE Asia-Pacific Microwave Conference (APMC)\",\"volume\":\"65 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 IEEE Asia-Pacific Microwave Conference (APMC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APMC46564.2019.9038650\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE Asia-Pacific Microwave Conference (APMC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APMC46564.2019.9038650","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Compact Substrate Integrated Coaxial Line Quadrature Hybrid with Harmonic Rejection
This article presents a compact substrate integrated coaxial line (SICL) based quadrature hybrid operating at 10 GHz specifically for X-band communication with controllable harmonic rejection. The proposed SICL based compact branch-line coupler utilizes four open-ended coaxial stubs. Design equations are analytically derived using even-odd mode analysis and the range of realizable impedance is graphically determined from the derived equations. Variation in position of transmission zero as a function of open-ended stub's electrical length is illustrated through simulation and a 15 dB harmonic rejection up to 31.8 GHz observed. The fabricated SICL based quadrature hybrid demonstrates a measured fractional bandwidth of 12.24% and occupies only 0.10λ2garea. Use of compact size and electromagnetically robust passive components designed in SICL technology provides exceptional front-end communication system.
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