{"title":"一种用于相关辐射计-体温传感器的GaAs LNA MMIC","authors":"Joo-Yeol Lee, Z. Popovic","doi":"10.1109/RWS55624.2023.10046201","DOIUrl":null,"url":null,"abstract":"A 3-stage low noise amplifier (LNA) of a correlation-Dicke radiometer for internal body thermometry at 1.4 GHz is presented. The MMIC LNA is designed using enhancement-mode 0.1um GaAs pseudomorphic high electron mobility transistor (pHEMT) technology. High gain and low noise figure (NF) is achieved with a 3-stage common-source structure with inductive degeneration. Interstage passive high-pass and low-pass filters improve the stability with minimal degradation of the NF. Two LNAs are placed side-by-side in a single 3mm × 3mm die for integration into a correlation radiometer circuit. The LNA is characterized and shows 45.2 dB of stable gain, and a 1.04 dB NF at 1.4 GHz, chosen as a quiet band suitable for biomedical sensing.","PeriodicalId":110742,"journal":{"name":"2023 IEEE Radio and Wireless Symposium (RWS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A GaAs LNA MMIC for a Correlation-Dicke Radiometer Internal-Body Temperature Sensor\",\"authors\":\"Joo-Yeol Lee, Z. Popovic\",\"doi\":\"10.1109/RWS55624.2023.10046201\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A 3-stage low noise amplifier (LNA) of a correlation-Dicke radiometer for internal body thermometry at 1.4 GHz is presented. The MMIC LNA is designed using enhancement-mode 0.1um GaAs pseudomorphic high electron mobility transistor (pHEMT) technology. High gain and low noise figure (NF) is achieved with a 3-stage common-source structure with inductive degeneration. Interstage passive high-pass and low-pass filters improve the stability with minimal degradation of the NF. Two LNAs are placed side-by-side in a single 3mm × 3mm die for integration into a correlation radiometer circuit. The LNA is characterized and shows 45.2 dB of stable gain, and a 1.04 dB NF at 1.4 GHz, chosen as a quiet band suitable for biomedical sensing.\",\"PeriodicalId\":110742,\"journal\":{\"name\":\"2023 IEEE Radio and Wireless Symposium (RWS)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2023 IEEE Radio and Wireless Symposium (RWS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RWS55624.2023.10046201\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2023 IEEE Radio and Wireless Symposium (RWS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RWS55624.2023.10046201","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A GaAs LNA MMIC for a Correlation-Dicke Radiometer Internal-Body Temperature Sensor
A 3-stage low noise amplifier (LNA) of a correlation-Dicke radiometer for internal body thermometry at 1.4 GHz is presented. The MMIC LNA is designed using enhancement-mode 0.1um GaAs pseudomorphic high electron mobility transistor (pHEMT) technology. High gain and low noise figure (NF) is achieved with a 3-stage common-source structure with inductive degeneration. Interstage passive high-pass and low-pass filters improve the stability with minimal degradation of the NF. Two LNAs are placed side-by-side in a single 3mm × 3mm die for integration into a correlation radiometer circuit. The LNA is characterized and shows 45.2 dB of stable gain, and a 1.04 dB NF at 1.4 GHz, chosen as a quiet band suitable for biomedical sensing.
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