{"title":"一种用于电池供电设备的低电压、低功耗电流模式自动增益控制(AGC)","authors":"M. Siripruchyanun","doi":"10.1109/DELTA.2006.7","DOIUrl":null,"url":null,"abstract":"In this paper, a current-mode automatic gain control (AGC) is presented. Due to operation in current-mode, the proposed circuit provides a wide frequency response, a low supply voltage, low power consumption and electronic controllability. Thus, it is very suitable for use in portable and battery-powered equipment such as hearing aid instrument and wireless radio device. The proposed AGC consists of current controlled exponential amplifier, current-mode precision rectifier, current-mode low pass filter and current-mode integrator. The performances of the proposed circuit are explored through HSPICE simulation program using BSIM3V3 model from MOSIS, they demonstrate good agreement to the theoretical anticipation. The proposed circuit works at /spl plusmn/1.5 V supply voltage, power consumption is merely 7.12mW.","PeriodicalId":439448,"journal":{"name":"Third IEEE International Workshop on Electronic Design, Test and Applications (DELTA'06)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"A low-voltage, low-power current-mode automatic gain control (AGC) for battery-powered equipment\",\"authors\":\"M. Siripruchyanun\",\"doi\":\"10.1109/DELTA.2006.7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a current-mode automatic gain control (AGC) is presented. Due to operation in current-mode, the proposed circuit provides a wide frequency response, a low supply voltage, low power consumption and electronic controllability. Thus, it is very suitable for use in portable and battery-powered equipment such as hearing aid instrument and wireless radio device. The proposed AGC consists of current controlled exponential amplifier, current-mode precision rectifier, current-mode low pass filter and current-mode integrator. The performances of the proposed circuit are explored through HSPICE simulation program using BSIM3V3 model from MOSIS, they demonstrate good agreement to the theoretical anticipation. The proposed circuit works at /spl plusmn/1.5 V supply voltage, power consumption is merely 7.12mW.\",\"PeriodicalId\":439448,\"journal\":{\"name\":\"Third IEEE International Workshop on Electronic Design, Test and Applications (DELTA'06)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-01-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Third IEEE International Workshop on Electronic Design, Test and Applications (DELTA'06)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/DELTA.2006.7\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Third IEEE International Workshop on Electronic Design, Test and Applications (DELTA'06)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DELTA.2006.7","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A low-voltage, low-power current-mode automatic gain control (AGC) for battery-powered equipment
In this paper, a current-mode automatic gain control (AGC) is presented. Due to operation in current-mode, the proposed circuit provides a wide frequency response, a low supply voltage, low power consumption and electronic controllability. Thus, it is very suitable for use in portable and battery-powered equipment such as hearing aid instrument and wireless radio device. The proposed AGC consists of current controlled exponential amplifier, current-mode precision rectifier, current-mode low pass filter and current-mode integrator. The performances of the proposed circuit are explored through HSPICE simulation program using BSIM3V3 model from MOSIS, they demonstrate good agreement to the theoretical anticipation. The proposed circuit works at /spl plusmn/1.5 V supply voltage, power consumption is merely 7.12mW.
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