{"title":"Ka-Band Wide-Bandwidth Voltage-Controlled Oscillators in InGaP-GaAs HBT Technology","authors":"Chau-Ching Chiong, Hong-Yeh Chang, Ming-Tang Chen","doi":"10.1109/EMICC.2008.4772303","DOIUrl":null,"url":null,"abstract":"Monolithic wide-bandwidth low-phase-noise voltage-controlled oscillators (VCOs) using 2-mum InGaP-GaAs heterojunction bipolar transistor (HBT) technology are presented in the paper. The tuning range of the VCOs are 28.0 to 34.0 GHz and 33.8 to 39.1 GHz, with a phase noise of -100.7 and -103.8 dBc/Hz at 1-MHz offset from the carrier. The overall dc power consumption of the differential-output VCOs is 85 mW with a supply voltage of -2.5 V. The VCOs feature wide tuning range and low phase noise at the same time, with a figure of merit (FOM) of -176 and -171 dB. These are the first Ka-band VCOs with wide tuning bandwidth using commercial GaAs HBT process.","PeriodicalId":344657,"journal":{"name":"2008 European Microwave Integrated Circuit Conference","volume":"115 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 European Microwave Integrated Circuit Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EMICC.2008.4772303","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
Monolithic wide-bandwidth low-phase-noise voltage-controlled oscillators (VCOs) using 2-mum InGaP-GaAs heterojunction bipolar transistor (HBT) technology are presented in the paper. The tuning range of the VCOs are 28.0 to 34.0 GHz and 33.8 to 39.1 GHz, with a phase noise of -100.7 and -103.8 dBc/Hz at 1-MHz offset from the carrier. The overall dc power consumption of the differential-output VCOs is 85 mW with a supply voltage of -2.5 V. The VCOs feature wide tuning range and low phase noise at the same time, with a figure of merit (FOM) of -176 and -171 dB. These are the first Ka-band VCOs with wide tuning bandwidth using commercial GaAs HBT process.
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