Yue Wu, Tianyu Jia, B. Xia, Xinlong Ma, Li Kang, Xiaodong Yang
{"title":"用均匀谐波安静传输电路抑制压控振荡器的拉效应","authors":"Yue Wu, Tianyu Jia, B. Xia, Xinlong Ma, Li Kang, Xiaodong Yang","doi":"10.1109/ESSCIRC.2015.7313845","DOIUrl":null,"url":null,"abstract":"VCO TX pulling could seriously degrade transmitter performance. Unlike previous works that focus on alleviating the problem on the victim side(i.e. VCO or LO generator), we explored methods on suppressing the pulling tone generation at the transmitter side both magnetically and electrically. Magnetic differential structures and harmonic notch are employed for TX inductor/transformer and active circuits to reduce the pulling. Measurement results showed > 25dB reduction of pulling tone at +7dBm output power with <;10.5% DEVM_pk for 8-DPSK bluetooth modulation.","PeriodicalId":11845,"journal":{"name":"ESSCIRC Conference 2015 - 41st European Solid-State Circuits Conference (ESSCIRC)","volume":"22 1","pages":"128-131"},"PeriodicalIF":0.0000,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Suppression of VCO pulling effects using even-harmonic quiet transmitting circuits\",\"authors\":\"Yue Wu, Tianyu Jia, B. Xia, Xinlong Ma, Li Kang, Xiaodong Yang\",\"doi\":\"10.1109/ESSCIRC.2015.7313845\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"VCO TX pulling could seriously degrade transmitter performance. Unlike previous works that focus on alleviating the problem on the victim side(i.e. VCO or LO generator), we explored methods on suppressing the pulling tone generation at the transmitter side both magnetically and electrically. Magnetic differential structures and harmonic notch are employed for TX inductor/transformer and active circuits to reduce the pulling. Measurement results showed > 25dB reduction of pulling tone at +7dBm output power with <;10.5% DEVM_pk for 8-DPSK bluetooth modulation.\",\"PeriodicalId\":11845,\"journal\":{\"name\":\"ESSCIRC Conference 2015 - 41st European Solid-State Circuits Conference (ESSCIRC)\",\"volume\":\"22 1\",\"pages\":\"128-131\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-11-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ESSCIRC Conference 2015 - 41st European Solid-State Circuits Conference (ESSCIRC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.2015.7313845\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ESSCIRC Conference 2015 - 41st European Solid-State Circuits Conference (ESSCIRC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.2015.7313845","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Suppression of VCO pulling effects using even-harmonic quiet transmitting circuits
VCO TX pulling could seriously degrade transmitter performance. Unlike previous works that focus on alleviating the problem on the victim side(i.e. VCO or LO generator), we explored methods on suppressing the pulling tone generation at the transmitter side both magnetically and electrically. Magnetic differential structures and harmonic notch are employed for TX inductor/transformer and active circuits to reduce the pulling. Measurement results showed > 25dB reduction of pulling tone at +7dBm output power with <;10.5% DEVM_pk for 8-DPSK bluetooth modulation.
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