Jia-Liang Chen, Sheng-Fuh Chang, Che Liu, Hsih-Wei Kuo
{"title":"Design of a 20-to-40 GHz bandpass MMIC amplifier","authors":"Jia-Liang Chen, Sheng-Fuh Chang, Che Liu, Hsih-Wei Kuo","doi":"10.1109/MWSYM.2003.1212602","DOIUrl":null,"url":null,"abstract":"A millimeterwave bandpass MMIC amplifier, which integrates both features of gain amplifier and bandpass filter, is presented. A synthesis method for such amplifier is developed from the image-parameter filter theory. By employing the proposed bandpass amplifier in a receiver, the bulky of chip filter may not be required. An experimental chip fabricated by 0.1 /spl mu/m PHEMT shows 14.2dB gain from 20 to 40 GHz and 60-dB attenuation below 7 GHz and above 60 GHz. This confirms the proposed method and shows the feasibility of the function integration of gain amplifier with bandpass filter in the millimeterwave range.","PeriodicalId":252251,"journal":{"name":"IEEE MTT-S International Microwave Symposium Digest, 2003","volume":"22 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE MTT-S International Microwave Symposium Digest, 2003","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.2003.1212602","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
A millimeterwave bandpass MMIC amplifier, which integrates both features of gain amplifier and bandpass filter, is presented. A synthesis method for such amplifier is developed from the image-parameter filter theory. By employing the proposed bandpass amplifier in a receiver, the bulky of chip filter may not be required. An experimental chip fabricated by 0.1 /spl mu/m PHEMT shows 14.2dB gain from 20 to 40 GHz and 60-dB attenuation below 7 GHz and above 60 GHz. This confirms the proposed method and shows the feasibility of the function integration of gain amplifier with bandpass filter in the millimeterwave range.
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