{"title":"基于Gm的电压模式电容倍增器","authors":"G. Bonteanu, A. Cracan, L. Goras","doi":"10.1109/SMICND.2019.8923788","DOIUrl":null,"url":null,"abstract":"A new transconductor based circuit solution for voltage mode capacitance multiplication is proposed. The solution employs the Miller effect around a voltage amplifier implemented as a transconductance amplifier with another transconductor acting as load impedance, such that the ratio of the two transconductances defines the multiplication factor. Due to transconductance tunability, the multiplication factor is adjustable in a wide range. The proposed solution offers an important advantage with regards to the low frequency behavior in comparison to a current mode Gm-based implementation, recommending the circuit for frequency compensation applications.","PeriodicalId":151985,"journal":{"name":"2019 International Semiconductor Conference (CAS)","volume":"125 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Gm Based Voltage Mode Capacitance Multiplier\",\"authors\":\"G. Bonteanu, A. Cracan, L. Goras\",\"doi\":\"10.1109/SMICND.2019.8923788\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A new transconductor based circuit solution for voltage mode capacitance multiplication is proposed. The solution employs the Miller effect around a voltage amplifier implemented as a transconductance amplifier with another transconductor acting as load impedance, such that the ratio of the two transconductances defines the multiplication factor. Due to transconductance tunability, the multiplication factor is adjustable in a wide range. The proposed solution offers an important advantage with regards to the low frequency behavior in comparison to a current mode Gm-based implementation, recommending the circuit for frequency compensation applications.\",\"PeriodicalId\":151985,\"journal\":{\"name\":\"2019 International Semiconductor Conference (CAS)\",\"volume\":\"125 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 International Semiconductor Conference (CAS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SMICND.2019.8923788\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 International Semiconductor Conference (CAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SMICND.2019.8923788","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A new transconductor based circuit solution for voltage mode capacitance multiplication is proposed. The solution employs the Miller effect around a voltage amplifier implemented as a transconductance amplifier with another transconductor acting as load impedance, such that the ratio of the two transconductances defines the multiplication factor. Due to transconductance tunability, the multiplication factor is adjustable in a wide range. The proposed solution offers an important advantage with regards to the low frequency behavior in comparison to a current mode Gm-based implementation, recommending the circuit for frequency compensation applications.
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