{"title":"采用零补偿vco放大器的40MHz四阶有源ugb - rc滤波器","authors":"Chun-Wei Hsu, P. Kinget","doi":"10.1109/ESSCIRC.2014.6942096","DOIUrl":null,"url":null,"abstract":"This paper describes a 4th-order active-UGB-RC filter using VCO-based amplifiers with zero compensation. The VCO-based amplifier intrinsically has a huge DC gain without the associated stability penalties of conventional multi-stage amplifiers such as reducing unity-gain bandwidth or requiring large area by compensation schemes. By using the large gain of the amplifier, the filter achieves small area and good linearity performance for a signal bandwidth of 40MHz. The filter prototype in a 55nm CMOS process has an active area of 0.07mm2 and a power consumption of 7.8mW at 1.2V. The measured in-band IIP3 and out-of-band IIP3 are 27.3dBm and 22.5dBm respectively.","PeriodicalId":202377,"journal":{"name":"ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)","volume":"584 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"14","resultStr":"{\"title\":\"A 40MHz 4th-order active-UGB-RC filter using VCO-based amplifiers with zero compensation\",\"authors\":\"Chun-Wei Hsu, P. Kinget\",\"doi\":\"10.1109/ESSCIRC.2014.6942096\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper describes a 4th-order active-UGB-RC filter using VCO-based amplifiers with zero compensation. The VCO-based amplifier intrinsically has a huge DC gain without the associated stability penalties of conventional multi-stage amplifiers such as reducing unity-gain bandwidth or requiring large area by compensation schemes. By using the large gain of the amplifier, the filter achieves small area and good linearity performance for a signal bandwidth of 40MHz. The filter prototype in a 55nm CMOS process has an active area of 0.07mm2 and a power consumption of 7.8mW at 1.2V. The measured in-band IIP3 and out-of-band IIP3 are 27.3dBm and 22.5dBm respectively.\",\"PeriodicalId\":202377,\"journal\":{\"name\":\"ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)\",\"volume\":\"584 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-11-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"14\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.2014.6942096\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.2014.6942096","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 40MHz 4th-order active-UGB-RC filter using VCO-based amplifiers with zero compensation
This paper describes a 4th-order active-UGB-RC filter using VCO-based amplifiers with zero compensation. The VCO-based amplifier intrinsically has a huge DC gain without the associated stability penalties of conventional multi-stage amplifiers such as reducing unity-gain bandwidth or requiring large area by compensation schemes. By using the large gain of the amplifier, the filter achieves small area and good linearity performance for a signal bandwidth of 40MHz. The filter prototype in a 55nm CMOS process has an active area of 0.07mm2 and a power consumption of 7.8mW at 1.2V. The measured in-band IIP3 and out-of-band IIP3 are 27.3dBm and 22.5dBm respectively.
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