{"title":"A low voltage, low power linear pseudo differential OTA for ultra-high frequency applications","authors":"Anil Kavala, P. N. Kondekar, Yang Sun","doi":"10.1109/IWAT.2009.4906929","DOIUrl":null,"url":null,"abstract":"This paper presents a 1.2 V pseudo differential, symmetric CMOS Operational Transconductance Amplifier (OTA) by using linearity improvement method for ultra-high frequency (UHF) OTA-C filters. Simulation results show a unity gain bandwidth of 1.2 GHz and a transconductance of 2.15 mS with a good linearity of 7dBm. The power consumption of the proposed OTA is 1.1 mW. The proposed OTA is used to design a 9th order 400 MHz chebyshev I low-pass filter by using 0.13 μm technology. This filter has an attenuation of 30 dB at 600 MHz and it consumes only 13 mW.","PeriodicalId":166472,"journal":{"name":"2009 IEEE International Workshop on Antenna Technology","volume":"78 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 IEEE International Workshop on Antenna Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWAT.2009.4906929","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
Abstract
This paper presents a 1.2 V pseudo differential, symmetric CMOS Operational Transconductance Amplifier (OTA) by using linearity improvement method for ultra-high frequency (UHF) OTA-C filters. Simulation results show a unity gain bandwidth of 1.2 GHz and a transconductance of 2.15 mS with a good linearity of 7dBm. The power consumption of the proposed OTA is 1.1 mW. The proposed OTA is used to design a 9th order 400 MHz chebyshev I low-pass filter by using 0.13 μm technology. This filter has an attenuation of 30 dB at 600 MHz and it consumes only 13 mW.
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