{"title":"A 13-pJ/bit 900-MHz QPSK/16-QAM transmitter with band shaping for biomedical application","authors":"Xiayun Liu, Mehran M. Izad, L. Yao, C. Heng","doi":"10.1109/ASSCC.2013.6691014","DOIUrl":null,"url":null,"abstract":"A 900-MHz QPSK/16-QAM transmitter targeted for biomedical application is proposed. Injection locking coupled with direct quadrature modulation at PA provides an efficient way to achieve band shaped QPSK/16-QAM modulation with effective side lobe suppression more than 38 dB. Fabricated in a 65-nm CMOS process, the TX can achieve maximum data rate of 50 Mbps/100 Mbps for QPSK/16-QAM with 6% EVM while occupying only 0.08 mm2. Under 0.77-V supply, the TX achieves 26 pJ/bit and 13 pJ/bit respectively with and without activating band shaping.","PeriodicalId":296544,"journal":{"name":"2013 IEEE Asian Solid-State Circuits Conference (A-SSCC)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE Asian Solid-State Circuits Conference (A-SSCC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ASSCC.2013.6691014","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
A 900-MHz QPSK/16-QAM transmitter targeted for biomedical application is proposed. Injection locking coupled with direct quadrature modulation at PA provides an efficient way to achieve band shaped QPSK/16-QAM modulation with effective side lobe suppression more than 38 dB. Fabricated in a 65-nm CMOS process, the TX can achieve maximum data rate of 50 Mbps/100 Mbps for QPSK/16-QAM with 6% EVM while occupying only 0.08 mm2. Under 0.77-V supply, the TX achieves 26 pJ/bit and 13 pJ/bit respectively with and without activating band shaping.
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