{"title":"带无功反馈的宽带LNA输入匹配网络","authors":"P. Jamshidi, S. Naseh","doi":"10.1109/ICECS.2011.6122280","DOIUrl":null,"url":null,"abstract":"This paper presents a 3–9 GHz CMOS low noise amplifier (LNA) designed in a 0.18 μm CMOS technology which uses negative feedback with magnetic coupling at the input of a common source-LNA instead of resistive feedback. Using the proposed topology, power gain of 14.1±1 dB and noise figure between 2.24–2.45 dB was achieved in a bandwidth (BW) of 3–9 GHz. The total drawn power of the proposed circuit from a 1.5-V power supply is 5.1 mW, while the input and output matching criteria are well satisfied. The values of all elements were determined using genetic algorithms.","PeriodicalId":251525,"journal":{"name":"2011 18th IEEE International Conference on Electronics, Circuits, and Systems","volume":"54 11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Wideband LNA with reactive feedback at the input matching network\",\"authors\":\"P. Jamshidi, S. Naseh\",\"doi\":\"10.1109/ICECS.2011.6122280\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a 3–9 GHz CMOS low noise amplifier (LNA) designed in a 0.18 μm CMOS technology which uses negative feedback with magnetic coupling at the input of a common source-LNA instead of resistive feedback. Using the proposed topology, power gain of 14.1±1 dB and noise figure between 2.24–2.45 dB was achieved in a bandwidth (BW) of 3–9 GHz. The total drawn power of the proposed circuit from a 1.5-V power supply is 5.1 mW, while the input and output matching criteria are well satisfied. The values of all elements were determined using genetic algorithms.\",\"PeriodicalId\":251525,\"journal\":{\"name\":\"2011 18th IEEE International Conference on Electronics, Circuits, and Systems\",\"volume\":\"54 11 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 18th IEEE International Conference on Electronics, Circuits, and Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICECS.2011.6122280\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 18th IEEE International Conference on Electronics, Circuits, and Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICECS.2011.6122280","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Wideband LNA with reactive feedback at the input matching network
This paper presents a 3–9 GHz CMOS low noise amplifier (LNA) designed in a 0.18 μm CMOS technology which uses negative feedback with magnetic coupling at the input of a common source-LNA instead of resistive feedback. Using the proposed topology, power gain of 14.1±1 dB and noise figure between 2.24–2.45 dB was achieved in a bandwidth (BW) of 3–9 GHz. The total drawn power of the proposed circuit from a 1.5-V power supply is 5.1 mW, while the input and output matching criteria are well satisfied. The values of all elements were determined using genetic algorithms.
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