{"title":"一种高线性宽范围连续调谐CMOS OTA","authors":"S. Song, Guoping Yan, Hua Cao","doi":"10.1109/ICASIC.2007.4415699","DOIUrl":null,"url":null,"abstract":"This paper introduces a new operational transconductance amplifier (OTA) that maintains a highly linear wide continuous tuning range and wide frequency response range, enabled by splitting linear voltage-to-current conversion and tuning into two different blocks. The input differential pair assures a wide input voltage swing via a fixed bias current, and a programmable-gain current amplifier working in saturation region can assure over three decades Gm tuning range and 119 MHz bandwidth. With plusmn1.5 V supply voltages, HSPICE simulation results using TSMC 0.35-mum CMOS process model confirm the expected good performance of the proposed OTA.","PeriodicalId":120984,"journal":{"name":"2007 7th International Conference on ASIC","volume":"38 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":"{\"title\":\"A highly linear wide range continuous tuning CMOS OTA\",\"authors\":\"S. Song, Guoping Yan, Hua Cao\",\"doi\":\"10.1109/ICASIC.2007.4415699\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper introduces a new operational transconductance amplifier (OTA) that maintains a highly linear wide continuous tuning range and wide frequency response range, enabled by splitting linear voltage-to-current conversion and tuning into two different blocks. The input differential pair assures a wide input voltage swing via a fixed bias current, and a programmable-gain current amplifier working in saturation region can assure over three decades Gm tuning range and 119 MHz bandwidth. With plusmn1.5 V supply voltages, HSPICE simulation results using TSMC 0.35-mum CMOS process model confirm the expected good performance of the proposed OTA.\",\"PeriodicalId\":120984,\"journal\":{\"name\":\"2007 7th International Conference on ASIC\",\"volume\":\"38 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 7th International Conference on ASIC\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICASIC.2007.4415699\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 7th International Conference on ASIC","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICASIC.2007.4415699","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A highly linear wide range continuous tuning CMOS OTA
This paper introduces a new operational transconductance amplifier (OTA) that maintains a highly linear wide continuous tuning range and wide frequency response range, enabled by splitting linear voltage-to-current conversion and tuning into two different blocks. The input differential pair assures a wide input voltage swing via a fixed bias current, and a programmable-gain current amplifier working in saturation region can assure over three decades Gm tuning range and 119 MHz bandwidth. With plusmn1.5 V supply voltages, HSPICE simulation results using TSMC 0.35-mum CMOS process model confirm the expected good performance of the proposed OTA.
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