{"title":"采用45纳米CMOS技术设计高增益双级运算放大器","authors":"Srilakshmi Ravali Madabhushanam, Lalitha Malladi, Soumya Reddy Gudepu","doi":"10.1109/I-SMAC49090.2020.9243590","DOIUrl":null,"url":null,"abstract":"Differential amplifier is an analog component. which is used as an amplifier whenever a circuit contains more than one input. A differential amplifier is a basic primitive component in an operational amplifier. Differential amplifier contains three legs. In which two legs for the input signal to be amplified, the third leg used as output. The differential amplifier can be configured by bipolar technology or with Metal oxide semiconductor technology also. When the input non-inverted leg which acts as a comparator is applied as input, if any signal applied to invert leg of the differential amplifier it will be used as an amplifier. In this proposed article, the operational amplifier with high gain of 72dB is implemented, the Slew rate of 122 V/µs, Gain bandwidth product of 4.60 MHz Dual-stage operational amplifier will enhance the amplification in a better way when the single-stage amplifier is compared In this article, a dual-stage operational amplifier using CMOS 45nm Technology is implemented.","PeriodicalId":432766,"journal":{"name":"2020 Fourth International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Design High gain dual stage operational amplifier using CMOS 45nm Technology\",\"authors\":\"Srilakshmi Ravali Madabhushanam, Lalitha Malladi, Soumya Reddy Gudepu\",\"doi\":\"10.1109/I-SMAC49090.2020.9243590\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Differential amplifier is an analog component. which is used as an amplifier whenever a circuit contains more than one input. A differential amplifier is a basic primitive component in an operational amplifier. Differential amplifier contains three legs. In which two legs for the input signal to be amplified, the third leg used as output. The differential amplifier can be configured by bipolar technology or with Metal oxide semiconductor technology also. When the input non-inverted leg which acts as a comparator is applied as input, if any signal applied to invert leg of the differential amplifier it will be used as an amplifier. In this proposed article, the operational amplifier with high gain of 72dB is implemented, the Slew rate of 122 V/µs, Gain bandwidth product of 4.60 MHz Dual-stage operational amplifier will enhance the amplification in a better way when the single-stage amplifier is compared In this article, a dual-stage operational amplifier using CMOS 45nm Technology is implemented.\",\"PeriodicalId\":432766,\"journal\":{\"name\":\"2020 Fourth International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-10-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2020 Fourth International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/I-SMAC49090.2020.9243590\",\"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 Fourth International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/I-SMAC49090.2020.9243590","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design High gain dual stage operational amplifier using CMOS 45nm Technology
Differential amplifier is an analog component. which is used as an amplifier whenever a circuit contains more than one input. A differential amplifier is a basic primitive component in an operational amplifier. Differential amplifier contains three legs. In which two legs for the input signal to be amplified, the third leg used as output. The differential amplifier can be configured by bipolar technology or with Metal oxide semiconductor technology also. When the input non-inverted leg which acts as a comparator is applied as input, if any signal applied to invert leg of the differential amplifier it will be used as an amplifier. In this proposed article, the operational amplifier with high gain of 72dB is implemented, the Slew rate of 122 V/µs, Gain bandwidth product of 4.60 MHz Dual-stage operational amplifier will enhance the amplification in a better way when the single-stage amplifier is compared In this article, a dual-stage operational amplifier using CMOS 45nm Technology is implemented.
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