Yu Zhao, P. Ye, Jinpeng Song, Jie Meng, Kuojun Yang, Jian Gao
{"title":"Explicit analysis of subADCs mismatch errors in band-interleaved ADC systems","authors":"Yu Zhao, P. Ye, Jinpeng Song, Jie Meng, Kuojun Yang, Jian Gao","doi":"10.1109/I2MTC.2019.8827066","DOIUrl":null,"url":null,"abstract":"A deterministic description of bandwidth-interleaved (BI) system with offset, gain and time mismatches among subADCs is firstly developed in this paper. Based on the analysis, spurious spectra caused by gain and time mismatches are correlated with the input signal, while spurious spectra caused by offset mismatch are independent with the input signal but related to the frequency of the local oscillator in each subband. The analysed results can be used as a reference for calibration of mismatch errors among the subbands in BI systems.","PeriodicalId":132588,"journal":{"name":"2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/I2MTC.2019.8827066","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
A deterministic description of bandwidth-interleaved (BI) system with offset, gain and time mismatches among subADCs is firstly developed in this paper. Based on the analysis, spurious spectra caused by gain and time mismatches are correlated with the input signal, while spurious spectra caused by offset mismatch are independent with the input signal but related to the frequency of the local oscillator in each subband. The analysed results can be used as a reference for calibration of mismatch errors among the subbands in BI systems.
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