{"title":"基于电流控制退化的峰值增益为45dB的624μW可变增益放大器","authors":"S. Gladson, V. Thenmozhi, M. Bhaskar","doi":"10.1109/ICDCS48716.2020.243542","DOIUrl":null,"url":null,"abstract":"This paper presents a current controlled variable gain amplifier (VGA) with a two-stage current-reuse gain cell and a tail current source for controlling the current. VGA is aiming to offer high voltage gain, low Noise Figure (NF) while operating with low-power consumption for high-performance wireless applications. The low-voltage low-power VGA is designed and implemented in UMC 180nm CMOS technology using Cadence virtuoso design tool. The proposed VGA can provide a maximum gain of 45.1dB while achieving a maximum IIP3 of 4.643dBm and minimum NF of 4.976dB. Power consumption of the VGA at maximum gain is 624.4µW from 1V supply.","PeriodicalId":307218,"journal":{"name":"2020 5th International Conference on Devices, Circuits and Systems (ICDCS)","volume":"45 10 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A 624μW Variable Gain Amplifier with 45dB peak Gain using Current Controlled Degeneration\",\"authors\":\"S. Gladson, V. Thenmozhi, M. Bhaskar\",\"doi\":\"10.1109/ICDCS48716.2020.243542\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a current controlled variable gain amplifier (VGA) with a two-stage current-reuse gain cell and a tail current source for controlling the current. VGA is aiming to offer high voltage gain, low Noise Figure (NF) while operating with low-power consumption for high-performance wireless applications. The low-voltage low-power VGA is designed and implemented in UMC 180nm CMOS technology using Cadence virtuoso design tool. The proposed VGA can provide a maximum gain of 45.1dB while achieving a maximum IIP3 of 4.643dBm and minimum NF of 4.976dB. Power consumption of the VGA at maximum gain is 624.4µW from 1V supply.\",\"PeriodicalId\":307218,\"journal\":{\"name\":\"2020 5th International Conference on Devices, Circuits and Systems (ICDCS)\",\"volume\":\"45 10 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2020 5th International Conference on Devices, Circuits and Systems (ICDCS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICDCS48716.2020.243542\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 5th International Conference on Devices, Circuits and Systems (ICDCS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICDCS48716.2020.243542","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 624μW Variable Gain Amplifier with 45dB peak Gain using Current Controlled Degeneration
This paper presents a current controlled variable gain amplifier (VGA) with a two-stage current-reuse gain cell and a tail current source for controlling the current. VGA is aiming to offer high voltage gain, low Noise Figure (NF) while operating with low-power consumption for high-performance wireless applications. The low-voltage low-power VGA is designed and implemented in UMC 180nm CMOS technology using Cadence virtuoso design tool. The proposed VGA can provide a maximum gain of 45.1dB while achieving a maximum IIP3 of 4.643dBm and minimum NF of 4.976dB. Power consumption of the VGA at maximum gain is 624.4µW from 1V supply.
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