{"title":"6.39GHz-14GHz系列谐振器模式切换振荡器，在65nm CMOS中具有186-188dB FoMA和197dB FoMA","authors":"Abhishek Agrawal, A. Natarajan","doi":"10.1109/RFIC.2015.7337739","DOIUrl":null,"url":null,"abstract":"CMOS LC voltage-controlled oscillators (VCO) with octave frequency tuning-range (FTR) are attractive for wideband radios. An area and power-efficient resonant mode-switching approach is presented that enables wide-FTR oscillators without compromising inductor Q, resulting in low phase noise and high VCO Figure-of-Merit (FoM). The proposed series resonator mode-switching approach results in a 6.4GHz to 14GHz VCO (74.6% FTR) in 65nm CMOS that achieves 186dB-188dB FoM. The scalability of this approach towards achieving even larger FTR is also demonstrated by a triple-mode 2.2GHz to 8.7GHz (119% FTR) VCO.","PeriodicalId":121490,"journal":{"name":"2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"A 6.39GHz–14GHz series resonator mode-switching oscillator with 186–188dB FoM and 197dB FoMA in 65nm CMOS\",\"authors\":\"Abhishek Agrawal, A. Natarajan\",\"doi\":\"10.1109/RFIC.2015.7337739\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"CMOS LC voltage-controlled oscillators (VCO) with octave frequency tuning-range (FTR) are attractive for wideband radios. An area and power-efficient resonant mode-switching approach is presented that enables wide-FTR oscillators without compromising inductor Q, resulting in low phase noise and high VCO Figure-of-Merit (FoM). The proposed series resonator mode-switching approach results in a 6.4GHz to 14GHz VCO (74.6% FTR) in 65nm CMOS that achieves 186dB-188dB FoM. The scalability of this approach towards achieving even larger FTR is also demonstrated by a triple-mode 2.2GHz to 8.7GHz (119% FTR) VCO.\",\"PeriodicalId\":121490,\"journal\":{\"name\":\"2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)\",\"volume\":\"17 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-05-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RFIC.2015.7337739\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFIC.2015.7337739","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 6.39GHz–14GHz series resonator mode-switching oscillator with 186–188dB FoM and 197dB FoMA in 65nm CMOS
CMOS LC voltage-controlled oscillators (VCO) with octave frequency tuning-range (FTR) are attractive for wideband radios. An area and power-efficient resonant mode-switching approach is presented that enables wide-FTR oscillators without compromising inductor Q, resulting in low phase noise and high VCO Figure-of-Merit (FoM). The proposed series resonator mode-switching approach results in a 6.4GHz to 14GHz VCO (74.6% FTR) in 65nm CMOS that achieves 186dB-188dB FoM. The scalability of this approach towards achieving even larger FTR is also demonstrated by a triple-mode 2.2GHz to 8.7GHz (119% FTR) VCO.
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