{"title":"A 23/3-dB dual-gain low-noise amplifier for 5-GHz-band wireless applications","authors":"Y. Aoki, N. Hayama, M. Fujii, H. Hida","doi":"10.1109/GAAS.2002.1049059","DOIUrl":null,"url":null,"abstract":"We have developed a wide-dynamic-range low-noise amplifier (LNA) based on InGaP/GaAs hetero bipolar transistors (HBTs) for 5-GHz-band wireless applications. With no external matching components, this dual-gain LNA (with a 20-dB gain attenuation function) has a very high performance; namely, a noise figure (NF) of 2.3 dB, a gain of 23 dB, an output 1-dB compression point(P/sub 1dB/) of 9.8 dBm, and a DC power consumption (P/sub dc/) of 28 mW at 3.0 V. Its figure of merit, defined as (gain/NF)/spl middot/(P/sub 1dB//Pd/sub dc/), is 3.3, which is the highest value in the C-band to date.","PeriodicalId":142875,"journal":{"name":"24th Annual Technical Digest Gallium Arsenide Integrated Circuit (GaAs IC) Symposiu","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"24th Annual Technical Digest Gallium Arsenide Integrated Circuit (GaAs IC) Symposiu","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/GAAS.2002.1049059","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
We have developed a wide-dynamic-range low-noise amplifier (LNA) based on InGaP/GaAs hetero bipolar transistors (HBTs) for 5-GHz-band wireless applications. With no external matching components, this dual-gain LNA (with a 20-dB gain attenuation function) has a very high performance; namely, a noise figure (NF) of 2.3 dB, a gain of 23 dB, an output 1-dB compression point(P/sub 1dB/) of 9.8 dBm, and a DC power consumption (P/sub dc/) of 28 mW at 3.0 V. Its figure of merit, defined as (gain/NF)/spl middot/(P/sub 1dB//Pd/sub dc/), is 3.3, which is the highest value in the C-band to date.
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