{"title":"一个3波段开关电感LC压控振荡器和差分电流复用倍频器，实现0.7至11.6 GHz调谐范围","authors":"B. Sadhu, Sachin Kalia, R. Harjani","doi":"10.1109/RFIC.2015.7337737","DOIUrl":null,"url":null,"abstract":"This paper presents a 3-bit switched inductor, 8-bit switched capacitor VCO utilizing frequency aware switch sizing to achieve 157% tuning range (0.7-5.8 GHz). Implemented in 65nm CMOS, the VCO maintains phase noise between -128 and -116 dBc/Hz at 1MHz offset across the tuning range. A current reuse differential frequency doubler extends the tuning range to 0.7-11.6 GHz (177%). The FOMTs of the stand alone VCO as well as that of the VCO-doubler combination vary between 191 to 209 dBc/Hz over their respective tuning ranges.","PeriodicalId":121490,"journal":{"name":"2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"13","resultStr":"{\"title\":\"A 3-band switched-inductor LC VCO and differential current re-use doubler achieving 0.7-to-11.6 GHz tuning range\",\"authors\":\"B. Sadhu, Sachin Kalia, R. Harjani\",\"doi\":\"10.1109/RFIC.2015.7337737\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a 3-bit switched inductor, 8-bit switched capacitor VCO utilizing frequency aware switch sizing to achieve 157% tuning range (0.7-5.8 GHz). Implemented in 65nm CMOS, the VCO maintains phase noise between -128 and -116 dBc/Hz at 1MHz offset across the tuning range. A current reuse differential frequency doubler extends the tuning range to 0.7-11.6 GHz (177%). The FOMTs of the stand alone VCO as well as that of the VCO-doubler combination vary between 191 to 209 dBc/Hz over their respective tuning ranges.\",\"PeriodicalId\":121490,\"journal\":{\"name\":\"2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)\",\"volume\":\"2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-05-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"13\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RFIC.2015.7337737\",\"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.2015.7337737","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 3-band switched-inductor LC VCO and differential current re-use doubler achieving 0.7-to-11.6 GHz tuning range
This paper presents a 3-bit switched inductor, 8-bit switched capacitor VCO utilizing frequency aware switch sizing to achieve 157% tuning range (0.7-5.8 GHz). Implemented in 65nm CMOS, the VCO maintains phase noise between -128 and -116 dBc/Hz at 1MHz offset across the tuning range. A current reuse differential frequency doubler extends the tuning range to 0.7-11.6 GHz (177%). The FOMTs of the stand alone VCO as well as that of the VCO-doubler combination vary between 191 to 209 dBc/Hz over their respective tuning ranges.
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