A. Nelson, Julie R. Hu, J. Kaitila, R. Ruby, B. Otis
{"title":"A 22µW, 2.0GHz FBAR oscillator","authors":"A. Nelson, Julie R. Hu, J. Kaitila, R. Ruby, B. Otis","doi":"10.1109/RFIC.2011.5940708","DOIUrl":null,"url":null,"abstract":"We present a 22µW, 2.0GHz FBAR oscillator - the lowest power reported to date for a GHz-range oscillator of this type. Low power consumption is achieved through co-design with a high Rp FBAR resonator and a weakly-forward biased bulk connection. An oscillator with a standard bulk connection was fabricated for comparison. The chip was fabricated in a 0.18µm CMOS process. The weakly-forward biased bulk led to a 41% reduction in power dissipation. The measured phase noise is −121dBc/Hz at a 100kHz offset.","PeriodicalId":448165,"journal":{"name":"2011 IEEE Radio Frequency Integrated Circuits Symposium","volume":"65 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"35","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE Radio Frequency Integrated Circuits Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFIC.2011.5940708","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 35
Abstract
We present a 22µW, 2.0GHz FBAR oscillator - the lowest power reported to date for a GHz-range oscillator of this type. Low power consumption is achieved through co-design with a high Rp FBAR resonator and a weakly-forward biased bulk connection. An oscillator with a standard bulk connection was fabricated for comparison. The chip was fabricated in a 0.18µm CMOS process. The weakly-forward biased bulk led to a 41% reduction in power dissipation. The measured phase noise is −121dBc/Hz at a 100kHz offset.
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