J. Nissila, K. Ojasalo, M. Kampik, J. Kaasalainen, V. Maisi, M. Casserly, F. Overney, A. Christensen, L. Callegaro, V. D’Elia, N. T. M. Tran, F. Pourdanesh, M. Ortolano, D. Kim, J. Penttila, L. Roschier
{"title":"A precise two-channel digitally synthesized AC voltage source for impedance metrology","authors":"J. Nissila, K. Ojasalo, M. Kampik, J. Kaasalainen, V. Maisi, M. Casserly, F. Overney, A. Christensen, L. Callegaro, V. D’Elia, N. T. M. Tran, F. Pourdanesh, M. Ortolano, D. Kim, J. Penttila, L. Roschier","doi":"10.1109/CPEM.2014.6898612","DOIUrl":null,"url":null,"abstract":"A two-channel AC voltage source based on digital synthesis is reported. We present measurement results of some of the key properties at 1 kHz with applications like digital impedance bridges in mind. Measurements show that amplitude ratio of the channels has a stability (Allan standard deviation) of one part in 108 for a 30 min measurement. The phase difference between the channels is also stable within 0.1 μrad.","PeriodicalId":256575,"journal":{"name":"29th Conference on Precision Electromagnetic Measurements (CPEM 2014)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"24","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"29th Conference on Precision Electromagnetic Measurements (CPEM 2014)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CPEM.2014.6898612","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 24
Abstract
A two-channel AC voltage source based on digital synthesis is reported. We present measurement results of some of the key properties at 1 kHz with applications like digital impedance bridges in mind. Measurements show that amplitude ratio of the channels has a stability (Allan standard deviation) of one part in 108 for a 30 min measurement. The phase difference between the channels is also stable within 0.1 μrad.
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