{"title":"负载相关器件的特性","authors":"V. Adamian","doi":"10.1109/ARFTG.1985.323621","DOIUrl":null,"url":null,"abstract":"For frequencies above 1500 MHz it is necessary to down convert as for conventional noise figure measurements. The supplied software includes instrument calibration using a standard 50 ohm noise source, short, open and through connections. True available gain is computed for all programmed source impedances. Graphic output of Noise and Available Gain circles is provided as well as tabular data which show the error of the fit of the well-known noise figure and gain equations 141 .","PeriodicalId":101637,"journal":{"name":"25th ARFTG Conference Digest","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1985-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"The Characterization of Load-Dependent Devices\",\"authors\":\"V. Adamian\",\"doi\":\"10.1109/ARFTG.1985.323621\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"For frequencies above 1500 MHz it is necessary to down convert as for conventional noise figure measurements. The supplied software includes instrument calibration using a standard 50 ohm noise source, short, open and through connections. True available gain is computed for all programmed source impedances. Graphic output of Noise and Available Gain circles is provided as well as tabular data which show the error of the fit of the well-known noise figure and gain equations 141 .\",\"PeriodicalId\":101637,\"journal\":{\"name\":\"25th ARFTG Conference Digest\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1985-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"25th ARFTG Conference Digest\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ARFTG.1985.323621\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"25th ARFTG Conference Digest","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ARFTG.1985.323621","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
For frequencies above 1500 MHz it is necessary to down convert as for conventional noise figure measurements. The supplied software includes instrument calibration using a standard 50 ohm noise source, short, open and through connections. True available gain is computed for all programmed source impedances. Graphic output of Noise and Available Gain circles is provided as well as tabular data which show the error of the fit of the well-known noise figure and gain equations 141 .
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