{"title":"Multilayer MMIC branch-line coupler and broad-side coupler","authors":"I. Toyoda, T. Hirota, T. Hiraoka, T. Tokumitsu","doi":"10.1109/MCS.1992.186003","DOIUrl":null,"url":null,"abstract":"Very small, multilayer monolithic microwave integrated circuit (MMIC) couplers are proposed. Novel methods for size reduction, i.e., a quasi-lumped elements approach and a newly developed multilayer coupled-line structure, are also described. A 24-26-GHz-band branch-line coupler and a 20-30-GHz-band broadside coupler were implemented in very small areas of less than 0.4 mm*0.4 mm and 0.2 mm*0.2 mm, respectively. Both couplers used a meanderlike thin-film microstrip line configuration to achieve a drastic size reduction.<<ETX>>","PeriodicalId":336288,"journal":{"name":"IEEE 1992 Microwave and Millimeter-Wave Monolithic Circuits Symposium Digest of Papers","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"80","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE 1992 Microwave and Millimeter-Wave Monolithic Circuits Symposium Digest of Papers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MCS.1992.186003","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 80
Abstract
Very small, multilayer monolithic microwave integrated circuit (MMIC) couplers are proposed. Novel methods for size reduction, i.e., a quasi-lumped elements approach and a newly developed multilayer coupled-line structure, are also described. A 24-26-GHz-band branch-line coupler and a 20-30-GHz-band broadside coupler were implemented in very small areas of less than 0.4 mm*0.4 mm and 0.2 mm*0.2 mm, respectively. Both couplers used a meanderlike thin-film microstrip line configuration to achieve a drastic size reduction.<>
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