{"title":"PLL center-frequency tuning using floating-gates","authors":"D. Wisland, T. Saether, T. Lande, M. Høvin","doi":"10.1109/ASIC.1998.722800","DOIUrl":null,"url":null,"abstract":"This paper presents a novel technique for center-frequency tuning of phase-locked loops (PLL) by exposing the circuit to UV-light. No external biasing is required, and the tuning procedure is automatic due to the feedback in the PLL. The main purpose with the technique is to compensate for process variations in loops with low VCO-gain. A 433 MHz charge-pump PLL has been designed, and measured results are presented.","PeriodicalId":104431,"journal":{"name":"Proceedings Eleventh Annual IEEE International ASIC Conference (Cat. No.98TH8372)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1998-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings Eleventh Annual IEEE International ASIC Conference (Cat. No.98TH8372)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ASIC.1998.722800","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents a novel technique for center-frequency tuning of phase-locked loops (PLL) by exposing the circuit to UV-light. No external biasing is required, and the tuning procedure is automatic due to the feedback in the PLL. The main purpose with the technique is to compensate for process variations in loops with low VCO-gain. A 433 MHz charge-pump PLL has been designed, and measured results are presented.
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