{"title":"RSSI中对数放大器一种新的温度补偿方法","authors":"Chunfeng Bai, Jianhui Wu","doi":"10.1109/MELCON.2014.6820545","DOIUrl":null,"url":null,"abstract":"In this paper, we will present a new temperature compensating scheme dedicated to building CMOS Logarithmic Amplifier, which is suitable to low power applications. We propose a master-slave configuration to interrelate the PTAT (proportional to absolute temperature) coefficient of the Logarithmic Amplifier with the PTAT current, which can be obtained from the Band-gap Voltage Reference. With this method, a Low-Temperature-Coefficient Logarithmic Amplifier is obtained without any external components. This approach has been verified via Cadence simulation in TSMC 0.13μm CMOS process. A RSSI with such a logarithmic amplifier consumes only 145μW under the supply of 1.2V. This method and the complete circuit are presented in detail with the associated results.","PeriodicalId":103316,"journal":{"name":"MELECON 2014 - 2014 17th IEEE Mediterranean Electrotechnical Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"A novel temperature compensating method of Logarithmic Amplifier in RSSI\",\"authors\":\"Chunfeng Bai, Jianhui Wu\",\"doi\":\"10.1109/MELCON.2014.6820545\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we will present a new temperature compensating scheme dedicated to building CMOS Logarithmic Amplifier, which is suitable to low power applications. We propose a master-slave configuration to interrelate the PTAT (proportional to absolute temperature) coefficient of the Logarithmic Amplifier with the PTAT current, which can be obtained from the Band-gap Voltage Reference. With this method, a Low-Temperature-Coefficient Logarithmic Amplifier is obtained without any external components. This approach has been verified via Cadence simulation in TSMC 0.13μm CMOS process. A RSSI with such a logarithmic amplifier consumes only 145μW under the supply of 1.2V. This method and the complete circuit are presented in detail with the associated results.\",\"PeriodicalId\":103316,\"journal\":{\"name\":\"MELECON 2014 - 2014 17th IEEE Mediterranean Electrotechnical Conference\",\"volume\":\"7 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-04-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"MELECON 2014 - 2014 17th IEEE Mediterranean Electrotechnical Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MELCON.2014.6820545\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"MELECON 2014 - 2014 17th IEEE Mediterranean Electrotechnical Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MELCON.2014.6820545","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A novel temperature compensating method of Logarithmic Amplifier in RSSI
In this paper, we will present a new temperature compensating scheme dedicated to building CMOS Logarithmic Amplifier, which is suitable to low power applications. We propose a master-slave configuration to interrelate the PTAT (proportional to absolute temperature) coefficient of the Logarithmic Amplifier with the PTAT current, which can be obtained from the Band-gap Voltage Reference. With this method, a Low-Temperature-Coefficient Logarithmic Amplifier is obtained without any external components. This approach has been verified via Cadence simulation in TSMC 0.13μm CMOS process. A RSSI with such a logarithmic amplifier consumes only 145μW under the supply of 1.2V. This method and the complete circuit are presented in detail with the associated results.