Determination of the noise source parameters in AlInAs/GaInAs HEMT heterostructures based on measured noise temperature dependence on the electric field
{"title":"Determination of the noise source parameters in AlInAs/GaInAs HEMT heterostructures based on measured noise temperature dependence on the electric field","authors":"C. Bergamaschi, W. Patrick, W. Baechtold","doi":"10.1109/ICIPRM.1994.328150","DOIUrl":null,"url":null,"abstract":"The noise temperature dependence on the electric field in an AlInAs/GaInAs HEMT heterostructure has been measured. It was found that the dependence of the noise temperature on the electric field in GaAs MESFETs and in AlInAs/GaInAs HEMTs are remarkably different. For this reason a different model must be used for AlInAs/GaInAs HEMTs. Based on the measured noise temperature dependence on the electric field, am analytic noise model for the AlInAs/GaInAs HEMT has been developed. The noise source parameters were calculated and compared with extracted noise source parameters from noise measurements.<<ETX>>","PeriodicalId":161711,"journal":{"name":"Proceedings of 1994 IEEE 6th International Conference on Indium Phosphide and Related Materials (IPRM)","volume":"63 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1994 IEEE 6th International Conference on Indium Phosphide and Related Materials (IPRM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIPRM.1994.328150","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
The noise temperature dependence on the electric field in an AlInAs/GaInAs HEMT heterostructure has been measured. It was found that the dependence of the noise temperature on the electric field in GaAs MESFETs and in AlInAs/GaInAs HEMTs are remarkably different. For this reason a different model must be used for AlInAs/GaInAs HEMTs. Based on the measured noise temperature dependence on the electric field, am analytic noise model for the AlInAs/GaInAs HEMT has been developed. The noise source parameters were calculated and compared with extracted noise source parameters from noise measurements.<>
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