{"title":"Phase noise of the Backward-wave oscillator based on a 3rd order PLL","authors":"Yuanci Gao","doi":"10.1109/ICMMT.2012.6230246","DOIUrl":null,"url":null,"abstract":"The processing of analysis, design and phase noise measurement of the Backward-wave oscillator (BWO) based on a 3rd order PLL is presented in this paper. The design utilizes a Charge-pump Phase-locked loop IC and a harmonic mixer in conjunction with a spectrum analyzer locking the BWO to a Tek 2782 spectrum analyzer. We adopt a GPIB cable connecting the spectrum analyzer to a computer and created a virtual instrument by Labview program on the screen. The SSB phase-noise of this Phase locked BWO was measured and the typical value in the frequency range 135 GHz to 160 GHz is better than 63 dBc/Hz at offset frequencie 1 kHz.","PeriodicalId":421574,"journal":{"name":"2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 International Conference on Microwave and Millimeter Wave Technology (ICMMT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICMMT.2012.6230246","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
The processing of analysis, design and phase noise measurement of the Backward-wave oscillator (BWO) based on a 3rd order PLL is presented in this paper. The design utilizes a Charge-pump Phase-locked loop IC and a harmonic mixer in conjunction with a spectrum analyzer locking the BWO to a Tek 2782 spectrum analyzer. We adopt a GPIB cable connecting the spectrum analyzer to a computer and created a virtual instrument by Labview program on the screen. The SSB phase-noise of this Phase locked BWO was measured and the typical value in the frequency range 135 GHz to 160 GHz is better than 63 dBc/Hz at offset frequencie 1 kHz.
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