{"title":"A 1–4 GHz low noise amplifier in 0.5-μm E-Mode InGaAs pHEMT technology","authors":"Hairui Song, Shu Yu, Yu-feng Guo, Shanwen Hu","doi":"10.1109/MAPE.2017.8250855","DOIUrl":null,"url":null,"abstract":"This paper presents a 1–4 GHz low noise amplifier (LNA) for broadband communication system. A capacitive feedback gain compensation circuit is proposed to increase the high frequency gain. The LNA exhibits a voltage gain of 20–23 dB, a noise figure of 1.8–2.3 dB during 1–4 GHz frequency range. The input S11 is −13dB∼-10dB and the output S22 is −18dB∼-10dB. The proposed LNA is realized in 0.5-μm Gate-Length E-Mode InGaAs pHEMT Process and occupies 0.96 mm<sup>2</sup> area. The power consumption is 250 mW with 5 V supply.","PeriodicalId":320947,"journal":{"name":"2017 7th IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies (MAPE)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 7th IEEE International Symposium on Microwave, Antenna, Propagation, and EMC Technologies (MAPE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MAPE.2017.8250855","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
This paper presents a 1–4 GHz low noise amplifier (LNA) for broadband communication system. A capacitive feedback gain compensation circuit is proposed to increase the high frequency gain. The LNA exhibits a voltage gain of 20–23 dB, a noise figure of 1.8–2.3 dB during 1–4 GHz frequency range. The input S11 is −13dB∼-10dB and the output S22 is −18dB∼-10dB. The proposed LNA is realized in 0.5-μm Gate-Length E-Mode InGaAs pHEMT Process and occupies 0.96 mm2 area. The power consumption is 250 mW with 5 V supply.
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