C. Schmidt, Vicky H. Tanzil, C. Kottke, R. Freund, V. Jungnickel
{"title":"Digital signal splitting among multiple DACs for analog bandwidth interleaving (ABI)","authors":"C. Schmidt, Vicky H. Tanzil, C. Kottke, R. Freund, V. Jungnickel","doi":"10.1109/ICECS.2016.7841178","DOIUrl":null,"url":null,"abstract":"A novel concept called analog bandwidth interleaving (ABI) has been recently introduced in order to overcome bandwidth limitations of digital-to-analog converters (DACs) by interleaving the output signals of multiple DACs in the frequency domain. We present for the first time the fundamental interdependencies between bandwidth, sample rate, the number of samples, and the local oscillator frequencies for ABI-DACs. Furthermore, a mathematical expression for the splitting of the digital signal among multiple DACs is presented. Simulations for an exemplary ABI-DAC highlight the interdependencies between the system parameters and difficulties concerning integer solutions.","PeriodicalId":205556,"journal":{"name":"2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS)","volume":"47 4","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICECS.2016.7841178","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 12
Abstract
A novel concept called analog bandwidth interleaving (ABI) has been recently introduced in order to overcome bandwidth limitations of digital-to-analog converters (DACs) by interleaving the output signals of multiple DACs in the frequency domain. We present for the first time the fundamental interdependencies between bandwidth, sample rate, the number of samples, and the local oscillator frequencies for ABI-DACs. Furthermore, a mathematical expression for the splitting of the digital signal among multiple DACs is presented. Simulations for an exemplary ABI-DAC highlight the interdependencies between the system parameters and difficulties concerning integer solutions.
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