B. Starmark, P. Delsing, D.B. Haviland, T. Claeson
{"title":"Noise measurements of single electron transistors using a transimpedance amplifier1","authors":"B. Starmark, P. Delsing, D.B. Haviland, T. Claeson","doi":"10.1016/S0964-1807(99)00051-4","DOIUrl":null,"url":null,"abstract":"<div><p>We have measured a single electron transistor (SET) using a transimpedance amplifier which increases the bandwidth of the SET by two orders of magnitude compared to the conventional voltage sensitive amplifier. Using this amplifier to measure the properties of the SET we find a bandwidth of 6.2<!--> <!-->kHz and measure the SET noise density up to 1<!--> <!-->kHz. The noise is δ<em>Q</em><sub><em>n</em></sub>≈3.9×10<sup>−5</sup> <em>e</em>/<span><math><mtext>Hz</mtext></math></span> at 300<!--> <!-->Hz.</p></div>","PeriodicalId":100110,"journal":{"name":"Applied Superconductivity","volume":"6 10","pages":"Pages 837-841"},"PeriodicalIF":0.0000,"publicationDate":"1999-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0964-1807(99)00051-4","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Superconductivity","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0964180799000514","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
We have measured a single electron transistor (SET) using a transimpedance amplifier which increases the bandwidth of the SET by two orders of magnitude compared to the conventional voltage sensitive amplifier. Using this amplifier to measure the properties of the SET we find a bandwidth of 6.2 kHz and measure the SET noise density up to 1 kHz. The noise is δQn≈3.9×10−5e/ at 300 Hz.
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