{"title":"270-GHz Radiator Module for Eight-Way Incoherent Power Combining of InP HBT Oscillators","authors":"Y. K. Koh;M. Kim","doi":"10.1109/LMWT.2024.3439715","DOIUrl":null,"url":null,"abstract":"This article presents a metallic radiator module, \n<inline-formula> <tex-math>$11.5\\times 5.6\\times 2.5$ </tex-math></inline-formula>\n cm3 in size, designed to direct terahertz power with a 26° circularly symmetric radiation beam. The module combines the power from eight identical integrated oscillator chips in free space using a linear array of built-in circular horns with 17-dB gain. The oscillators operating at unlocked frequencies produce an average power of 3.5 dBm within the 268–274 GHz range. When all elements are activated, the radiator module maintains the same radiation patterns as the individual elements, achieving a total radiated power of 12.5 dBm, which represents an eightfold increase from the average power per element.","PeriodicalId":73297,"journal":{"name":"IEEE microwave and wireless technology letters","volume":"34 11","pages":"1282-1285"},"PeriodicalIF":0.0000,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE microwave and wireless technology letters","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/10682785/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"0","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
This article presents a metallic radiator module,
$11.5\times 5.6\times 2.5$
cm3 in size, designed to direct terahertz power with a 26° circularly symmetric radiation beam. The module combines the power from eight identical integrated oscillator chips in free space using a linear array of built-in circular horns with 17-dB gain. The oscillators operating at unlocked frequencies produce an average power of 3.5 dBm within the 268–274 GHz range. When all elements are activated, the radiator module maintains the same radiation patterns as the individual elements, achieving a total radiated power of 12.5 dBm, which represents an eightfold increase from the average power per element.
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